Explore topic-wise MCQs in Computer Science.

This section includes 60 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science knowledge and support exam preparation. Choose a topic below to get started.

51.

A self-relocating program is one which

A. cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation
B. consists of a program and relevant information for its relocation
C. can itself perform the relocation of its address-sensitive portions
D. All of the above
Answer» D. All of the above
52.

If special forms are needed for printing the output, the programmer specifies these forms through

A. JCL
B. IPL
C. Utility programs
D. Load modules
Answer» B. IPL
53.

In analyzing the compilation of PL/I program, the description "resolving symbolic address (labels) and generating machine language" is associated with

A. Assembly and output
B. Code generation
C. Storage assignment
D. Syntax analysis
Answer» B. Code generation
54.

Convert the 11014B machine language instructions into assembly language, assuming that they were not generated by pseudo-ops:

A. ASRA
B. LOADA h#OD4E, i
C. STOREA h#014B, d
D. ADDA h#01FE, i
Answer» D. ADDA h#01FE, i
55.

The advantage(s) of incorporating the macro processor into pass 1 is/ are:

A. many functions do not have to be implemented twice
B. Functions are combined and it is not necessary to create intermediate files as output from the macro processor and input to the assembler
C. more flexibility is available to the programmer in which he/she may use all the features of the assembler in conjunction with macros
D. All of the above
Answer» E.
56.

The system/370 assembler language

A. is a term that refers to the control programs of an operating system
B. is used to remember which of the general-purpose registers are currently available as base registers, and what base addresses they contain
C. allows multiple programs to reside in separate areas of core at the same time
D. allows the programmer to write base registers and displacements explicitly in the source program
Answer» E.
57.

Convert the CHARI h#000F, s assembly language instructions into hexadecimal machine language:

A. 0111EF
B. 9000000000
C. DA000F
D. 40
Answer» D. 40
58.

In which addressing mode, the effective address of the operand is generated by adding a constant value to the contents of register?

A. absolute mode
B. indirect mode
C. immediate mode
D. index mode
Answer» E.
59.

A development stategy whereby the executive control modules of a system are coded and tested first, is known as

A. Bottom-up development
B. Top-down development
C. Left-Right development
D. All of the above
Answer» C. Left-Right development
60.

Which of the following functions is/ are performed by the loader?

A. Allocate space in memory for the programs and resolve symbolic references between object decks
B. Physically place the machine instructions and data into memory
C. Adjust all address dependent locations, such as address constants, to correspond to the allocated space
D. All of the above
Answer» E.