Basics of Computer Science MCQs

Strengthen your fundamental knowledge with our Basics of Computer Science MCQs with answers and explanations. Our collection covers key topics such as computer fundamentals, hardware and software, operating systems, networking basics, databases, programming concepts, and internet technologies. These multiple-choice questions are designed for students, competitive exam aspirants, and professionals preparing for NTS, PPSC, FPSC, CSS, PMS, university entry tests, and IT job assessments. Practice online to improve your understanding, enhance problem-solving skills, and excel in exams with our updated Basics of Computer Science MCQs

1131. The purpose of an application program is to

A. Convert program written in high level language to machine language

B. Meet specific user needs

C. Allow the operating system to control resources better

D. Make off-line equpment run better

✅ The correct answer is option B.

1132. Which of the following is the largest manufacturer of Hard Disk Drives?

A. IBM

B. Seagate

C. Microsoft

D. 3M

✅ The correct answer is option B.

1133. What is the purpose of keeping electronic devices such as computers, televisions, and remote controlled devices on Sleep mode?

A. Reduce Power consumption

B. Back UP

C. To write contents of RAM to hard disk

D. To improve download speed

✅ The correct answer is option A.

1134. Operating System is the most common type of _________ software.

A. Communication

B. Application

C. System

D. Word Processing Software

✅ The correct answer is option C.

1135. LISP was developed by

A. John Mc Carthy

B. Blaise Pascal

C. Dr. Hollerith

D. John Napier

✅ The correct answer is option A.

1136. Which of the following is a machine for reading documents that are encoded in a way that is readable by person and machine.

A. Document reader

B. Distributed system

C. Artificial intelligence

D. Document sorter

✅ The correct answer is option A.

1137. The examination and changing of single bits or small groups of his within a word is called

A. Bit

B. Byte

C. Bit manipulation

D. Bit slice

✅ The correct answer is option C.

1138. Software instructions intended to satisfy a user’s specific processing needs are called _____.

A. Systems software

B. A microcomputer

C. Documentation

D. Applications software

✅ The correct answer is option D.

1139. Which of the following printers, are you sure will not to use if your objective is to print on multicarbon forms?

A. daisy wheel

B. dot-matrix

C. laser

D. thimble

✅ The correct answer is option C.

1140. A path linking 2 hardware or telecommunication units down which data and control signals can be transmitted is

A. Modulation

B. Demodulation

C. Channel

D. Signalling

✅ The correct answer is option C.