A. Cache
B. Concentrator
C. Buffer
D. I/O device
✅ The correct answer is option C.
Computer Basics
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.
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.
The physical components of a computer system is
A. Human ware
B. Firm ware
C. Hardware
D. Software
✅ The correct answer is option C.
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.
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.
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.
A billionth of a second is defined as a:
A. millisecond
B. microsecond
C. nanosecond
D. picoseconds
✅ The correct answer is option C.
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.
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.