A. Mass memory
B. Internal memory
C. Non-volatile memory
D. PROM
✅ The correct answer is option B.
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
252. A program that is employed in the development, repair or enhancement of other programs is known as
A. System software
B. Software tool
C. Applications program
D. Utility program
✅ The correct answer is option B.
253. What is the shortcut key of printing a document for computer having windows?
A. Ctrl + P
B. Shift + P
C. Alt + P
D. Ctrl + Alt + P
✅ The correct answer is option A.
254. Regarding a VDU, which statement is more correct?
A. It is an output device
B. It is an input device
C. It is a peripheral device
D. It is a hardware item
✅ The correct answer is option C.
255. The latest PC keyboards use a circuit that senses the movement by the change in its capacitance. What are these keyboards called?
A. Capacitance keyboards
B. Mechanical keyboards
C. Qwerty keyboards
D. Dvorak keyboards
✅ The correct answer is option A.
256. Which of the following terms applies to communication between separate computer systems?
A. Computer literacy
B. Power supply
C. Applications software
D. Connectivity
✅ The correct answer is option D.
257. When did Hewlett-Packard Inc. Introduce its first HP-110 laptop computer?
A. 1984
B. 1986
C. 1990
D. 1995
✅ The correct answer is option A.
258. The 2’s complement of a binary no. is obtained by adding…..to its 1’s complement.
A. 0
B. 1
C. 10
D. 12
✅ The correct answer is option B.
259. The range of frequencies available for data transmission is known as
A. Baud
B. Bandwidth
C. Byte
D. Bits
✅ The correct answer is option B.
260. What is the most common tool used to restrict access to a computer system?
A. User log in
B. Passwords
C. Computer keys
D. Access-control software
✅ The correct answer is option B.