821. A path by which communication is achieved between a central processor and other devices is called
A. Audit trail
B. Network
C. Bus
D. Channel
✅ The correct answer is option C.
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
822. Which of the following has the most capacity?
A. CD-R
B. CD-RW
C. DVD
D. VCD
✅ The correct answer is option C.
823. Which of the following transfers data contained on computer cards to the computer system.
A. Card sorter
B. Card reader
C. Magnetic disk
D. Magnetic tape
✅ The correct answer is option B.
824. Which was the first web browser?
A. WorldWideWeb
B. Netscape Navigator
C. Internet Explorer
D. Safari
✅ The correct answer is option A.
825. A memory that contains a fine pattern of data permanently defined is
A. RAM
B. EPROM
C. ROM
D. PROM
✅ The correct answer is option C.
826. Which of the following professions has not been affected by personal computers?
A. medical
B. clerical
C. accounting
D. law
✅ The correct answer is option E.
827. Which is the device that converts computer output into a form that can be transmitted over a telephone line?
A. Teleport
B. Multiplexer
C. Concentrator
D. Modem
✅ The correct answer is option D.
828. The scrambling of code is known as:
A. Encryption
B. A firewall
C. Scrambling
D. Password-proofing
✅ The correct answer is option A.
829. In the third generation of computers:
A. distributed data processing first became popular
B. an operating system was first developed
C. high-level procedural languages were first used
D. on-line, realtime systems first became popular
✅ The correct answer is option D.
830. WAV file format is associated with what type of files?
A. Video
B. Sound
C. Image
D. Word Document
✅ The correct answer is option B.