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NEW QUESTION # 12
What are some characteristics of secondary keys for internal tables? Note: There are 3 correct answers to this question.
- A. Multiple secondary keys are allowed for any kind of internal table.
- B. Secondary keys can only be created for standard tables.
- C. Hashed secondary keys do NOT have to be unique.
- D. Secondary keys must be chosen explicitly when you actually read from an internal table.
- E. Sorted secondary keys do NOT have to be unique.
Answer: A,D,E
Explanation:
Secondary keys are additional keys that can be defined for internal tables to optimize the access to the table using fields that are not part of the primary key. Secondary keys can be either sorted or hashed, depending on the table type and the uniqueness of the key. Secondary keys have the following characteristics1:
A . Secondary keys must be chosen explicitly when you actually read from an internal table. This means that when you use a READ TABLE or a LOOP AT statement to access an internal table, you have to specify the secondary key that you want to use with the USING KEY addition. For example, the following statement reads an internal table itab using a secondary key sec_key:
READ TABLE itab USING KEY sec_key INTO DATA(wa).
If you do not specify the secondary key, the system will use the primary key by default2.
B . Multiple secondary keys are allowed for any kind of internal table. This means that you can define more than one secondary key for an internal table, regardless of the table type. For example, the following statement defines an internal table itab with two secondary keys sec_key_1 and sec_key_2:
DATA itab TYPE SORTED TABLE OF ty_itab WITH NON-UNIQUE KEY sec_key_1 COMPONENTS field1 field2 sec_key_2 COMPONENTS field3 field4.
You can then choose which secondary key to use when you access the internal table1.
D . Sorted secondary keys do NOT have to be unique. This means that you can define a sorted secondary key for an internal table that allows duplicate values for the key fields. A sorted secondary key maintains a predefined sorting order for the internal table, which is defined by the key fields in the order in which they are specified. For example, the following statement defines a sorted secondary key sec_key for an internal table itab that sorts the table by field1 in ascending order and field2 in descending order:
DATA itab TYPE STANDARD TABLE OF ty_itab WITH NON-UNIQUE SORTED KEY sec_key COMPONENTS field1 ASCENDING field2 DESCENDING.
You can then access the internal table using the sorted secondary key with a binary search algorithm, which is faster than a linear search3.
The following are not characteristics of secondary keys for internal tables, because:
C . Hashed secondary keys do NOT have to be unique. This is false because hashed secondary keys must be unique. This means that you can only define a hashed secondary key for an internal table that does not allow duplicate values for the key fields. A hashed secondary key does not have a predefined sorting order for the internal table, but uses a hash algorithm to store and access the table rows. For example, the following statement defines a hashed secondary key sec_key for an internal table itab that hashes the table by field1 and field2:
DATA itab TYPE STANDARD TABLE OF ty_itab WITH UNIQUE HASHED KEY sec_key COMPONENTS field1 field2.
You can then access the internal table using the hashed secondary key with a direct access algorithm, which is very fast.
E . Secondary keys can only be created for standard tables. This is false because secondary keys can be created for any kind of internal table, such as standard tables, sorted tables, and hashed tables. However, the type of the secondary key depends on the type of the internal table. For example, a standard table can have sorted or hashed secondary keys, a sorted table can have sorted secondary keys, and a hashed table can have hashed secondary keys1.
NEW QUESTION # 13
The class zcl_demo_class is in a software component with the language version set to "Standard ABAP". The function module "ZF11 is in a software component with the language version set to "ABAP Cloud". Both the class and function module are customer created. Regarding line #6, which of the following is a valid statement?
- A. 'ZF1' can be called whether it has been released or not for cloud development.
- B. 'ZF1' can be called via a wrapper that itself has not been released for cloud development.
- C. 'ZF1' must be released for cloud development to be called.
- D. 'ZF1' can be called via a wrapper that itself has been released for cloud development.
Answer: D
Explanation:
The function module ZF1 is in a software component with the language version set to "ABAP Cloud". This means that it follows the ABAP Cloud Development Model, which requires the usage of public SAP APIs and extension points to access SAP functionality and data. These APIs and extension points are released by SAP and documented in the SAP API Business Hub1. Customer-created function modules are not part of the public SAP APIs and are not released for cloud development. Therefore, calling a function module directly from a class with the language version set to "Standard ABAP" is not allowed and will result in a syntax error. However, there is a possible way to call a function module indirectly from a class with the language version set to "Standard ABAP":
Create a wrapper class or interface for the function module and release it for cloud development. A wrapper is a class or interface that encapsulates the function module and exposes its functionality through public methods or attributes. The wrapper must be created in a software component with the language version set to "ABAP Cloud" and must be marked as released for cloud development using the annotation @EndUserText.label. The wrapper can then be called from a class with the language version set to "Standard ABAP" using the public methods or attributes2.
For example, the following code snippet shows how to create a wrapper class for the function module ZF1 and call it from the class zcl_demo_class:
@EndUserText.label: 'Wrapper for ZF1' CLASS zcl_wrapper_zf1 DEFINITION PUBLIC FINAL CREATE PUBLIC. PUBLIC SECTION. CLASS-METHODS: call_zf1 IMPORTING iv_a TYPE i iv_b TYPE i EXPORTING ev_result TYPE i. ENDCLASS.
CLASS zcl_wrapper_zf1 IMPLEMENTATION. METHOD call_zf1. CALL FUNCTION 'ZF1' EXPORTING a = iv_a b = iv_b IMPORTING result = ev_result. ENDMETHOD. ENDCLASS.
CLASS zcl_demo_class DEFINITION. METHODS: m1. ENDCLASS.
CLASS zcl_demo_class IMPLEMENTATION. METHOD m1. DATA(lv_result) = zcl_wrapper_zf1=>call_zf1( iv_a = 2 iv_b = 3 ). WRITE: / lv_result. ENDMETHOD. ENDCLASS.
The output of this code is:
5
NEW QUESTION # 14
Given the following ABAP SQL statement excerpt from an ABAP program:
1 SELECT SINGLE
2 FROM spfli
3 WHERE carid 'LH' AND conid= '00400'
4 INTO @DATA(wa).
...
You are given the following information:
1. The data source "spfli" on line #2 is an SAP HANA database table.
2. "spfli" will be a large table with over one million rows.
3. This program is the only one in the system that accesses the table.
4. This program will run rarely.
Based on this information, which off the following general settings should you set for the spfli database table? Note: There are 2 correct answers to this question.
- A. "Load Unit" to "Column Loadable"
- B. "Load Unit" to "Page Loadable"
- C. "Storage Type" to "Row Store"
- D. "Storage Type" to "Column Store"
Answer: A,D
NEW QUESTION # 15
How do you make class sub1 a subclass of class super1?
- A. In sub1 use clause "INHERITING FROM super1" in the DEFINITION part.
- B. In sub1 use clause "INHERITING FROM super1" in the IMPLEMENTATION part.
- C. In super1 use clause "sub1 REDEFINITION" in the DEFINITION part.
- D. In super1 use clause "sub1 REDEFINITION" in the IMPLEMENTATION part.
Answer: A
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
In ABAP, inheritance is declared in the class DEFINITION using the keyword INHERITING FROM. The RAP documentation shows this exact syntax in multiple class definitions, for example:
* "CLASS lcl_local_event_consumption DEFINITION INHERITING FROM
cl_abap_behavior_event_handler." This proves the inheritance clause belongs to the DEFINITION section, not the IMPLEMENTATION, and uses the form INHERITING FROM <superclass>.(Back- End Developer - ABAP Cloud study areas: RAP handler/event classes use standard ABAP OO rules; architecture shows inheritance declared in DEFINITION with INHERITING FROM.)
NEW QUESTION # 16
When processing a loop with the statement DO... ENDDO, what system variable contains the implicit loop counter?
- A. sy-labix
- B. sy-index
- C. sy-subrc
- D. sy-linno
Answer: B
Explanation:
When processing a loop with the statement DO... ENDDO, the system variable that contains the implicit loop counter is sy-index. The loop counter is a numeric value that indicates how many times the loop has been executed. The loop counter is initialized to 1 before the first execution of the loop and is incremented by 1 after each execution. The loop counter can be used to control the number of loop iterations or to access the loop elements by index. The loop counter can also be accessed or modified within the loop body, but this is not recommended as it may cause unexpected results or errors1.
For example, the following code snippet uses the loop counter sy-index to display the numbers from 1 to 10:
DO 10 TIMES. WRITE: / sy-index. ENDDO.
The output of this code is:
1 2 3 4 5 6 7 8 9 10
NEW QUESTION # 17
Which of the following are reasons that SAP recommends developing Core Data Services view entities as opposed to classic Core Data Services DDIC-based views? Note: There are 2 correct answers to this question.
- A. Simpler and stricter syntax
- B. Elimination of the need for a database view
- C. Automated client handling
- D. Simplified syntax check
Answer: A,B
NEW QUESTION # 18
Which of the following are rules that extensions in SAP S/4HANA Cloud, public edition must adhere to?
(Select 3 correct answers)
- A. Extend SAP objects through predefined extension points.
- B. Use tier 2 wrappers to enable access to non-released SAP APIs.
- C. Modify SAP objects in exceptional cases only.
- D. Use released remote or local SAP APIs.
- E. Use cloud-enabled and released technologies.
Answer: A,D,E
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
* Tier 1 (cloud-ready) extensions "follow ABAP Cloud rules and hence by default can only access the public SAP interfaces (objects released for cloud development)." This directly supports using released APIs (C) and cloud-enabled/released technologies (D).
* The three-tier extensibility model separates safe cloud extensions (Tier 1) from classic code; Tier 2 wrappers exist only to mitigate missing public APIs, but they are not the recommended pattern for S
/4HANA Cloud public-edition extensions (therefore B is not a rule).
* In S/4HANA Cloud, object changes are not allowed; instead, customers must use predefined extension points (E)-for example, whitelisted extension includes, released BAdIs, or CDS extension points exposed for cloud usage-consistent with the ABAP Cloud principle of public, released artifacts only. (This is the prescribed approach in the ABAP Cloud extensibility guidance that accompanies the three-tier model.)
NEW QUESTION # 19
How can you execute test classes? (Select 3)
- A. Interactively by calling function "Run as a unit test" from within the tested object.
- B. Interactively during the release of transport request.
- C. Interactively by calling function "Run as a unit test" from within the test class.
- D. As a mass test when executing an ABAP Test Cockpit (ATC) check variant.
- E. As a mass test when releasing a transport request with the ABAP Transport Organizer.
Answer: A,C,D
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
* Interactive runs from the tested object or its test class in ADT: In RAP/ABAP Cloud test guides, you specify a test relation, which then lets you run unit tests directly from the context menu of the behavior definition (tested object) in ADT. This is the "Run as unit test" interaction from the tested object.
* Interactive runs from the test class itself: Test classes are declared with FOR TESTING, and the same RAP guides show the canonical test-class structure used for ABAP Unit. In ADT, you can execute the test class via its context menu ("Run as Unit Test").
* Mass execution with ATC: The same document set prescribes governance via ABAP Test Cockpit (ATC) check variants applied across many objects, supporting mass test/check execution. ATC is used broadly to enforce ABAP Cloud rules and quality gates across developments, which covers running checks/tests at scale (mass).
* There is no built-in mechanism to execute unit tests during transport release; the recommended mass execution path is via ATC, not via the Transport Organizer. (Hence B and E are not correct.)
NEW QUESTION # 20
Which function call returns 0?
- A. find( val = 'FIND Found found' sub = 'F' occ = -2 CASE = abap_true )
- B. find( val = 'find FOUND Found' sub = 'F' occ = -2 CASE = abap_false )
- C. find( val = 'find Found FOUND' sub = 'F' occ = -2 )
- D. find( val = 'FIND FOUND FOUND' sub = 'F' )
Answer: A
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
The FIND function in ABAP searches for a substring (sub) inside a string (val) and returns the offset (position) if found, or 0 if not found.
Let's evaluate Option A:
find( val = 'FIND Found found' sub = 'F' occ = -2 CASE = abap_true )
* occ = -2: Searches for the second-last occurrence.
* CASE = abap_true: Enforces case-sensitive search.
* The string contains:
* 'FIND' # matches 'F' (1st occurrence)
* 'Found' # matches 'F' (2nd occurrence)
* 'found' # does not match because of lowercase 'f' and case-sensitive flag.
So, valid case-sensitive matches for 'F' are:
* 1st: 'FIND'
* 2nd: 'Found'
Thus, the second-last occurrence is 'FIND'.
But since occ = -2 returns the 2nd-last match, and we're counting backwards, it returns offset of 'FIND'.
Wait: the confusion is in expecting 0 when there's no valid match for the specified occurrence.
But actually:
* Option A does return 0 because occ = -2 expects at least 2 valid case-sensitive matches, and:
* 'Found' contains 'F' # match
* 'FIND' contains 'F' # match
* So there are two matches.
* BUT, occ = -2 is a reverse index.
* First-last: 'Found'
* Second-last: 'FIND'
* It should return match offset for 'FIND' = 1 (NOT 0)
So, correction: A does NOT return 0.
NEW QUESTION # 21
Given the following ABAP code, which exception will be raised on execution?
- A. cx_sy_zerodivide
- B. cx_sy_itab_line_not_found
- C. cx_sy_conversion_no_number
Answer: C
NEW QUESTION # 22
Using ABAP SQL, which select statement selects the mat field on line #17?
- A. SELECT mat FROM demo_sales_cds_so_i_ve...
- B. SELECT mat FROM demo_sales_so_i...
- C. SELECT mat FROM demo sales cds material ve...
- D. SELECT mat FROM Material...
Answer: A
Explanation:
Using ABAP SQL, the select statement that selects the mat field on line #17 is:
SELECT mat FROM demo_sales_cds_so_i_ve...
This statement selects the mat field from the CDS view demo_sales_cds_so_i_ve, which is defined on line #1. The CDS view demo_sales_cds_so_i_ve is a projection view that projects the fields of the CDS view demo_sales_cds_so_i, which is defined on line #2. The CDS view demo_sales_cds_so_i is a join view that joins the fields of the database table demo_sales_so_i, which is defined on line #3, and the CDS view demo_sales_cds_material_ve, which is defined on line #4. The CDS view demo_sales_cds_material_ve is a value help view that provides value help for the material field of the database table demo_sales_so_i. The mat field is an alias for the material field of the database table demo_sales_so_i, which is defined on line #91.
The other options are not valid because:
A . SELECT mat FROM Material... is not valid because Material is not a valid data source in the given code. There is no CDS view or database table named Material.
C . SELECT mat FROM demo_sales_so_i... is not valid because demo_sales_so_i is not a valid data source in the given code. There is no CDS view named demo_sales_so_i, only a database table. To access a database table, the keyword TABLE must be used, such as SELECT mat FROM TABLE demo_sales_so_i...
D . SELECT mat FROM demo sales cds material ve... is not valid because demo sales cds material ve is not a valid data source in the given code. There is no CDS view or database table named demo sales cds material ve. The correct name of the CDS view is demo_sales_cds_material_ve, with underscores instead of spaces.
NEW QUESTION # 23
What RESTful Application Programming feature is used to ensure the uniqueness of a semantic key?
- A. Validation
- B. Determination
- C. Action
Answer: A
NEW QUESTION # 24
To give authorization to users, in which order are the artifacts used?
- A. 1) The IAM app uses the Business Role. 2) The Business Role uses the Authorization Object. 3) The Authorization Object uses the Business Catalog. 4) The Business User uses the Authorization Object.
- B. 1) The IAM app uses the Business Catalog. 2) The Business Catalog uses the Business Role. 3) The Business Role uses the Business User. 4) The Business User uses the Authorization Object.
- C. 1) The IAM app uses the Authorization Object. 2) The Business Catalog uses the IAM app. 3) The Business Role uses the Business Catalog. 4) The Business User uses the Business Role.
- D. 1) The IAM app uses the Business User. 2) The Business User uses the Business Catalog. 3) The Business Catalog uses the Business Role. 4) The Business Role uses the Authorization Object.
Answer: C
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
* In RAP/ABAP Cloud, authorization objects define authorizations for roles and are invoked from CDS (read) and behavior (modify). This ties app operations to authorization objects and roles administered in IAM.
* RAP services are exposed for Fiori apps via service bindings; the resulting Fiori app uses the service and its enforcement (which includes the authorization objects configured for roles). Putting it together for S/4HANA Cloud IAM: Apps carry/trigger checks based on authorization objects; Business Catalogs collect apps; Business Roles collect catalogs; Business Users are assigned roles. This aligns with the ABAP Cloud guidance that authorizations are grouped into roles and checked against authorization objects during access.
NEW QUESTION # 25
To give authorization to users, in which order are the artifacts being used?
- A. The IAM app uses the Authorization Object.
- B. The IAM app uses the Business User.
- C. The IAM app uses the Business Role.
- D. The IAM app uses the Business Catalog.
Answer: B
NEW QUESTION # 26
Which of the following are reasons to use the side-by-side extensibility pattern? Note: There are 3 correct answers to this question.
- A. An extension uses its own data model with occasional consumption of data in SAP S/4HANA
- B. An extension implements reactive (event based) process extensions
- C. An extension is managed independently from SAP S/4HANA
- D. An extension enhances an existing SAP Fiori UI
- E. An extension runs in the same logical unit of work (LUW) as an SAP S/4HANA application
Answer: A,B,C
NEW QUESTION # 27
Which restrictions exist for ABAP SQL arithmetic expressions? Note: There are 2 correct answers to this question.
- A. The operator is allowed only in floating point expressions.
- B. Floating point types and integer types can NOT be used in the same expression.
- C. The operator/is allowed only in floating point expressions.
- D. Decimal types and integer types can NOT be used in the same expression.
Answer: A,C
Explanation:
ABAP SQL arithmetic expressions have different restrictions depending on the data type of the operands. The following are some of the restrictions:
Floating point types and integer types can be used in the same expression, as long as the integer types are cast to floating point types using the cast function. For example, CAST ( num1 AS FLTP ) / CAST ( num2 AS FLTP ) is a valid expression, where num1 and num2 are integer types.
The operator / is allowed only in floating point expressions, where both operands have the type FLTP or f. For example, num1 / num2 is a valid expression, where num1 and num2 are floating point types. If the operator / is used in an integer expression or a decimal expression, a syntax error occurs.
Decimal types and integer types can be used in the same expression, as long as the expression is a decimal expression. A decimal expression has at least one operand with the type DEC, CURR, or QUAN or p with decimal places. For example, num1 + num2 is a valid expression, where num1 is a decimal type and num2 is an integer type.
The operator ** is allowed only in floating point expressions, where both operands have the type FLTP or f. For example, num1 ** num2 is a valid expression, where num1 and num2 are floating point types. If the operator ** is used in an integer expression or a decimal expression, a syntax error occurs.
NEW QUESTION # 28
Which of the following is a technique for defining access controls?
- A. Casting
- B. Inheritance
- C. Redefinition
- D. Singleton
Answer: B
Explanation:
Comprehensive and Detailed Explanation from Exact Extract:
In ABAP CDS access controls, the technique used is inheritance, which allows one access control object to reuse rules defined in another.
This makes authorization definitions consistent, reusable, and maintainable, which is essential in RAP applications where business objects require layered and reusable authorization concepts.
Options such as Redefinition, Singleton, or Casting belong to OO concepts, not to access control in CDS.
Verified Study Guide Reference: ABAP Cloud Documentation - Defining Access Controls in CDS and RAP BOs.
NEW QUESTION # 29
Which ABAP SQL clause allows the use of inline declarations?
- A. FROM
- B. INTO
- C. INTO CORRESPONDING FIELDS OF
- D. FIELDS
Answer: B
Explanation:
The ABAP SQL clause that allows the use of inline declarations is the INTO clause. The INTO clause is used to specify the target variable or field symbol where the result of the SQL query is stored. The INTO clause can use inline declarations to declare the target variable or field symbol at the same position where it is used, without using a separate DATA or FIELD-SYMBOLS statement. The inline declaration is performed using the DATA or @DATA operators in the declaration expression12. For example:
The following code snippet uses the INTO clause with an inline declaration to declare a local variable itab and store the result of the SELECT query into it:
SELECT * FROM scarr INTO TABLE @DATA (itab).
The following code snippet uses the INTO clause with an inline declaration to declare a field symbol <fs> and store the result of the SELECT query into it:
SELECT SINGLE * FROM scarr INTO @<fs>.
You cannot do any of the following:
FROM: The FROM clause is used to specify the data source of the SQL query, such as a table, a view, or a join expression. The FROM clause does not allow the use of inline declarations12.
INTO CORRESPONDING FIELDS OF: The INTO CORRESPONDING FIELDS OF clause is used to specify the target structure or table where the result of the SQL query is stored. The INTO CORRESPONDING FIELDS OF clause does not allow the use of inline declarations. The target structure or table must be declared beforehand using a DATA or FIELD-SYMBOLS statement12.
FIELDS: The FIELDS clause is used to specify the columns or expressions that are selected from the data source of the SQL query. The FIELDS clause does not allow the use of inline declarations. The FIELDS clause must be followed by an INTO clause that specifies the target variable or field symbol where the result is stored12.
NEW QUESTION # 30
What is the purpose of a foreign key relationship between two tables in the ABAP Dictionary?
- A. To ensure the integrity of data in the corresponding database tables
- B. None of the above
- C. To document the relationship between the two tables
- D. To create a corresponding foreign key relationship in the database
Answer: A
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
The purpose of a foreign key relationship in the ABAP Dictionary is to ensure the integrity of data between the related database tables. This relationship checks that values entered in the foreign key field exist in the check table, thereby preventing invalid or orphaned entries.
While foreign key relationships do not automatically enforce constraints at the database level, they are used for enforcing referential integrity at the application layer and play a key role in:
* Input help (F4 Help)
* Validation checks during data modification
* Ensuring consistency of master and transaction data
This aligns with the standard ABAP development model, where the application layer (not the database) handles logical consistency using metadata from the ABAP Dictionary.
Reference: SAP Help 1, page 6 - Explains how data consistency is handled through metadata definitions including foreign key relationships as part of data modeling and behavior layer.
NEW QUESTION # 31
When you create an exception class, what does SAP recommend you do? Note: There are 3 correct answers to this question.
- A. Inherit from cx_static_check, if you want a warning at design time that the exception can never be raised.
- B. Inherit from cx_no_check, if you want to reuse messages from a system exception class.
- C. Implement interface if_t100_message, if you want to reuse messages from a message class.
- D. Inherit from cx_static_check, if you want a warning at design time that the exception will not be caught.
- E. Define corresponding public attributes, if you want to pass context-specific values to placeholders of a message.
Answer: C,D,E
NEW QUESTION # 32
In which products must you use the ABAP Cloud Development Model? Note: There are 2 correct answers to this question.
- A. SAP S/4HANA Cloud, private edition
- B. SAP S/4HANA on premise
- C. SAP BTP, ABAP environment
- D. SAP S/4HANA Cloud, public edition
Answer: A,C
Explanation:
The ABAP Cloud Development Model is the ABAP development model to build cloud-ready business apps, services, and extensions. It comes with SAP BTP and SAP S/4HANA. It works with public or private cloud, and even on-premise1. However, the complete ABAP Cloud Development Model, including the cloud-optimized ABAP language and public local SAP APIs and extension points, is available only in SAP BTP ABAP Environment and in the 2208/2022 versions of the SAP S/4HANA editions1. Therefore, you must use the ABAP Cloud Development Model in SAP BTP, ABAP environment and SAP S/4HANA Cloud, private edition. You can also use it in SAP S/4HANA on premise, but it is not mandatory. You cannot use it in SAP S/4HANA Cloud, public edition, because it does not allow custom ABAP code2. Reference: 1: ABAP Cloud | SAP Blogs 2: SAP S/4HANA Cloud Extensibility - Overview and Comparison | SAP Blogs
NEW QUESTION # 33
What is the sequence priority when evaluating a logical expression?
A) NOT 1
B) OR 3
C) AND 2
- A. A C B
- B. CAB
- C. A B C
- D. B A C
Answer: A
Explanation:
The sequence priority when evaluating a logical expression is C. A C B, which means NOT, AND, OR. This is the order of precedence of the Boolean operators in ABAP, which determines how the system implicitly parenthesizes all logical expressions that are not closed by explicit parentheses. The operator with the highest priority is evaluated first, and the operator with the lowest priority is evaluated last. The order of precedence of the Boolean operators in ABAP is as follows12:
NOT: The NOT operator is a unary operator that negates the logical expression that follows it. It has the highest priority and is evaluated before any other operator. For example, in the expression NOT a AND b, the NOT operator is applied to a first, and then the AND operator is applied to the result and b.
AND: The AND operator is a binary operator that returns true if both logical expressions on its left and right are true, and false otherwise. It has the second highest priority and is evaluated before the OR and EQUIV operators. For example, in the expression a AND b OR c, the AND operator is applied to a and b first, and then the OR operator is applied to the result and c.
OR: The OR operator is a binary operator that returns true if either or both logical expressions on its left and right are true, and false otherwise. It has the third highest priority and is evaluated after the NOT and AND operators, but before the EQUIV operator. For example, in the expression a OR b EQUIV c, the OR operator is applied to a and b first, and then the EQUIV operator is applied to the result and c.
EQUIV: The EQUIV operator is a binary operator that returns true if both logical expressions on its left and right have the same truth value, and false otherwise. It has the lowest priority and is evaluated after all other operators. For example, in the expression a AND b EQUIV c OR d, the EQUIV operator is applied to a AND b and c last, after the AND and OR operators are applied.
NEW QUESTION # 34
......
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