A. Cache
B. Concentrator
C. Buffer
D. I/O device
✅ 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
1022. A disk with usable recording surfaces on each side is known as
A. Hard disk
B. Single-sided disk
C. Double-sided disk
D. High capacity
✅ The correct answer is option C.
1023. Which of the following can’t spread virus
A. An e-mail with attachment
B. A plain text mail
C. Downloading files over the web
D. None of these
✅ The correct answer is option B.
1024. The physical components of a computer system is
A. Human ware
B. Firm ware
C. Hardware
D. Software
✅ The correct answer is option C.
1025. The tracks on a disk which can be accessed without repositioning the R/W heads is
A. Surface
B. Cylinder
C. Cluster
D. All of the above
✅ The correct answer is option B.
1026. The hardware in which data may be stored for a computer system is called
A. Registers
B. Bus
C. Control unit
D. Memory
✅ The correct answer is option D.
1027. Viruses are called that because
A. They are viruses
B. They can copy themselves and spread.
C. Both A and B
D. None of these
✅ The correct answer is option B.
1028. A billionth of a second is defined as a:
A. millisecond
B. microsecond
C. nanosecond
D. picoseconds
✅ The correct answer is option C.
1029. Which is a device that changes information into digital form?
A. Modem
B. Digitizer
C. Mouse
D. Light pen
✅ The correct answer is option B.
1030. The most important advantage of a video disk is
A. Compactness
B. Potential capacity
C. Durability
D. Cost effectiveness
✅ The correct answer is option B.