Computer

Prepare with the best Computer MCQs with answers and explanations for exams and job tests. Our question bank covers computer fundamentals, hardware, software, networking, operating systems, databases, programming, internet, and information technology. These Computer multiple-choice questions are helpful for students, competitive exam aspirants, and professionals preparing for NTS, PPSC, FPSC, CSS, PMS, university entry tests, IT certifications, and job interviews. Practice online to improve your knowledge and score higher with our updated and comprehensive Computer MCQs.

📘 Basics of Computer Science MCQs
📘 COMPUTER SCIENCE
📘 MS Office
📘 Operating System

137. System maintenance:

is usually not necessary
is necessary on all systems, regardless of how good
is not required if the system is well written
always requires several programs
✅ The correct answer is option B.

139. Operating system is

A collection of hardware components
A collection of input-output devices
A collection of software routines
All of the above
✅ The correct answer is option C.

140. The system/370 assembler language

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