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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

121. A critical region is

September 2, 2025 by Admin
a program segment that has not been proved bug-free
a program segment that often causes unexpected system crashes
a program segment where shared resources are accessed
one which is enclosed by a pair of P and V operations on semaphores
✅ The correct answer is D.
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122. Which of the following is not a system tool?

September 2, 2025 by Admin
Scandisk
Drive space
Disk defragmenter
Doskey
✅ The correct answer is D.
Categories Computer, Operating System Tags Computer mcqs, Operating System mcqs Leave a comment

123. Driver is

September 2, 2025 by Admin
Hardware controller
Hardware and gain controller
Data controller
All of above
✅ The correct answer is A.
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124. An instruction in a programming language that is replaced by a sequence of instructions prior to assembly or compiling is known as

September 2, 2025 by Admin
procedure name
macro
label
literal
✅ The correct answer is option B.
Categories Computer, Operating System Tags Computer mcqs, Operating System mcqs Leave a comment

125. Which windows features can be accessed from the start menu?

September 2, 2025 by Admin
Help
Windows Explorer
Microsoft Network
All of above
✅ The correct answer is option D.
Categories Computer, Operating System Tags Computer mcqs, Operating System mcqs Leave a comment

126. Which operating system doesn’t support networking between computers?

September 2, 2025 by Admin
Windows 3.1
Windows 95
Windows 2000
Windows NT
✅ The correct answer is option A.
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127. A partitioned data set is most used for

September 2, 2025 by Admin
a program or source library
storing program data
storing backup information
storing ISAM files
✅ The correct answer is option A.
Categories Computer, Operating System Tags Computer mcqs, Operating System mcqs Leave a comment

128. In which addressing mode the operand is given explicitly in the instruction?

September 2, 2025 by Admin
absolute mode
immediate mode
indirect mode
index mode
✅ The correct answer is option B.
Categories Computer, Operating System Tags Computer mcqs, Operating System mcqs Leave a comment

129. Dial up connection allows you to

September 2, 2025 by Admin
Connect ISP
Internet
Server
All of above
✅ The correct answer is option A.
Categories Computer, Operating System Tags Computer mcqs, Operating System mcqs Leave a comment

130. Memory

September 2, 2025 by Admin
is a device that performs a sequence of operations specified by instructions in memory.
is the device where information is stored
is a sequence of instructions
is typically characterized by interactive processing and time-slicing of the CPU
✅ The correct answer is option B.
Categories Computer, Operating System Tags Computer mcqs, Operating System mcqs Leave a comment
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