Welcome to the Systems Programming MCQs Page

Dive deep into the fascinating world of Systems Programming with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Systems Programming, a crucial aspect of UGC CBSE NET Exam. In this section, you will encounter a diverse range of MCQs that cover various aspects of Systems Programming, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within UGC CBSE NET Exam.


Check out the MCQs below to embark on an enriching journey through Systems Programming. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of UGC CBSE NET Exam.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Systems Programming. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Systems Programming MCQs | Page 2 of 11

The content of the accumulator after the execution of the following 8085 assembly language program, is:
MVI A, 42H
MVI B, 05H
Answer: (c).76 H
In .............., the bodies of the two loops are merged together to form a single loop provided that they do not make any references to each other.
Answer: (d).Loop jamming
Which of the following is not typically a benefit of dynamic linking?

I. Reduction in overall program execution time.
II. Reduction in overall space consumption in memory.
III. Reduction in overall space consumption on disk.
IV. Reduction in the cost of software updates.
Answer: (b).I only
Consider the following assembly language instructions:

mov al, 15
mov ah, 15
xor al, al
mov cl, 3
shr ax, cl
add al, 90H
adc ah, 0

What is the value in ax register after execution of above instructions?
Answer: (a).0270H
Consider the following statements related to compiler construction:

I. Lexical Analysis is specified by context-free grammars and implemented by pushdown automata.
II. Syntax Analysis is specified by regular expressions and implemented by finite-state machine.

Which of the above statement(s) is/are correct?
Answer: (d).Neither I nor II
The contents of Register (BL) and Register (AL) of 8085 microprocessor are 49H and 3AH respectively. The contents of AL, the status of carry flag (CF) and sign flag (SF) after executing 'SUB AL, BL' assembly language instruction, are
Answer: (a).AL=0FH; CF=1; SF=1
Which of the following statement(s) regarding a linker software is/are true?

I. A function of a linker is to combine several object modules into a single load module.
II. A function of a linker is to replace absolute references in an object module by symbolic references to locations in other modules.
Answer: (c).Both I and II
Which of the following are not regular?

(A) Strings of even number of a’s.
(B) Strings of a’s, whose length is a prime number.
(C) Set of all palindromes made up of a’s and b’s.
(D) Strings of a’s whose length is a perfect square.
Answer: (c).(B), (C) and (D) only
In compiler optimization, operator strength reduction uses mathematical identities to replace slow math operations with faster operations. Which of the following code replacements is an illustration of operator strength reduction?
Answer: (b).Replace P * 32 by P<<5
Which of the following are the principles tasks of the linker?

I. Resolve external references among separately compiled program units.
II. Translate assembly language to machine code.
III. Relocate code and data relative to the beginning of the program.
IV. Enforce access-control restrictions on system libraries.
Answer: (b).I and III
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