Tag: programming languages
Questions Related to programming languages
-
True
-
False
To solve this question, the user needs to know about COBOL programming in the context of IMS message processing programs (MPPs).
The statement is true. IMS message processing programs (MPPs) do not use non-IMS input or output statements such as READ, WRITE, REWRITE, OPEN, and CLOSE. Instead, they use IMS-specific input and output statements such as GU, GN, GV, and GN.
Option A is correct.
Option B is incorrect because the statement is true, so option A is the correct answer.
The Answer is: A
-
(1) One program that processed 100,000 records was 35% faster when using FASTSRT compared to using NOFASTSRT
-
(2) One program that processed 100,000 records was 35% slower when using FASTSRT Compared to using NOFASTSRT
-
(3) One program that processed using FASTSRT and NOFASTSRT are ssame.
-
(4) None of the above
-
(1) C/C++-to-COBOL programs calls
-
(2) COBOL-to-C/C++ programs calls
-
(3) COBOL-to-COBOL programs calls
-
(4) C/C++-to-C/C++ programs calls
To answer this question, the user needs to know the difference between procedure pointers and function pointers and their respective use cases.
A function pointer is a pointer that points to a function. It can be used to call the function that it points to. A procedure pointer, on the other hand, is a pointer that points to a procedure. A procedure is similar to a function but does not return a value.
Now, let's go through each option and see which one is correct:
A. (1) C/C++-to-COBOL programs calls: This option is incorrect. Procedure pointers are not typically used in C/C++-to-COBOL programs calls. Instead, function pointers are used for this type of program.
B. (2) COBOL-to-C/C++ programs calls: This option is incorrect. Procedure pointers are not typically used in COBOL-to-C/C++ program calls. Instead, function pointers are used for this type of program.
C. (3) COBOL-to-COBOL programs calls: This option is correct. Procedure pointers are more efficient than function pointers for COBOL-to-COBOL program calls. This is because COBOL does not support function pointers, so procedure pointers must be used instead.
D. (4) C/C++-to-C/C++ programs calls: This option is incorrect. Function pointers are typically used for C/C++-to-C/C++ program calls, not procedure pointers.
Therefore, the correct answer is:
The Answer is: C. (3) COBOL-to-COBOL programs calls
-
(1) Even though the main program does not contain any input or output statements, it can reference the record area of the file.
-
(2) Each subprogram can control a single input or output function, such as OPEN or READ.
-
(3) Each program has access to the file.
-
(4) All the above
To answer this question, the user needs to have knowledge about the concept of using an external file.
Option A is incorrect because it does not fully explain the benefit of using an external file. While it is true that the main program can reference the record area of the file even if it does not have input or output statements, this is not the main benefit of using an external file.
Option B is incorrect because it is a specific benefit that applies only to subprograms. It does not explain the general benefit of using an external file.
Option C is incorrect because it is too general. It does not explain the specific benefit of using an external file.
Option D is the correct answer because it includes all the benefits of using an external file. These include the ability for the main program to access the record area of the file, the ability for subprograms to control specific input or output functions, and the fact that multiple programs can have access to the same file.
Therefore, the answer is: D. (4) All the above.
Why we use NAME Compiler Option?
-
(1) Use NAME to generate a link-edit NAME card for each object module.
-
(2) You can also use NAME to generate names for each load module when you are doing batch compilations.
-
(3) When NAME is specified, a NAME card is appended to each object module that is created
-
(4) All the above.
AI Explanation
To answer this question, let's go through each option to understand why it is correct or incorrect:
Option A) (1) Use NAME to generate a link-edit NAME card for each object module. This option is correct. The NAME compiler option can be used to generate a link-edit NAME card for each object module. This allows the programmer to specify a name for the object module that can be used during the link-edit process.
Option B) (2) You can also use NAME to generate names for each load module when you are doing batch compilations. This option is incorrect. The NAME compiler option is used to generate a link-edit NAME card for each object module, not for generating names for load modules during batch compilations.
Option C) (3) When NAME is specified, a NAME card is appended to each object module that is created. This option is correct. When the NAME compiler option is specified, a NAME card is appended to each object module that is created. This allows the programmer to specify a name for the object module.
Option D) (4) All the above. This option is correct. Both option A and option C are correct statements about the use of the NAME compiler option.
The correct answer is D) (4) All the above. This option is correct because it includes all the correct statements about the use of the NAME compiler option.
-
(1) One program using variable-length files and AWO was 88% slower than NOAWO.
-
(2) On the average, AWO was equivalent to NOAWO
-
(3) One program using variable-length files and AWO was 88% faster than NOAWO
-
(4) All the above
-
True
-
False
To solve this question, the user needs to know what Enterprise COBOL and CBLTDLI are and their relation to IMS facilities.
CBLTDLI is a COBOL language feature that provides a call interface to the IMS DL/I database management system. It enables COBOL programs to access and manipulate IMS databases. Enterprise COBOL is a COBOL compiler developed by IBM for the z/OS operating system.
Now, let's go through each option and explain why it is right or wrong:
A. True: This option is incorrect. Enterprise COBOL supports the CBLTDLI call interface and allows COBOL programs to invoke IMS facilities. Therefore, option A is false.
B. False: This option is correct. Enterprise COBOL supports the CBLTDLI call interface, which enables COBOL programs to access IMS facilities. Therefore, option B is the correct answer.
The Answer is: B
-
(1) Reads a record from the external file and checks the file status code
-
(2) The main program, which calls all the subprograms and then verifies the contents of a record area
-
(3) Opens the external file for input and checks the file status code
-
(4) Opens the external file for input and checks the file status code
-
(1) A smaller CISZ results in faster retrieval for random processing at the expense of inserts
-
(2) A larger CISZ is less efficient for sequential processing
-
(3) A larger CISZ is less efficient for random processing
-
(4) A smaller CISZ results in slower retrieval for sequential processing at the expense of inserts
-
(1) All data-names which have been used in program
-
(2) The description of the department code that is passed, using the USING clause of the CALL statement
-
(3) Address of the deparment code that is passed ,using the USING clause of the CALL statement
-
(4) All the above