A. modem
B. adapter
C. cable
D. aerial
✅ The correct answer is option B.
Computer Basics
The magnetic disks and drums are like recirculating shift registers because
A. they have about the same storage capacity
B. their storage is non volatile
C. their access times are about the same
D. stored data is available for reading over and over again in the same order.
✅ The correct answer is option D.
Which of the following is still useful for adding numbers?
A. EDSAC
B. ENIAC
C. Abacus
D. UNIVAC
✅ The correct answer is option C.
A hand-held device which reads marks or characters on paper by detecting photo-sensitivity is known as
A. Light pen
B. Optical-wand
C. Plotter
D. All of the above
✅ The correct answer is option B.
The first microprocessors produced by Intel Corpn. and Texas Instruments were used primarily to control small
A. microwave ovens
B. washing machines
C. calculators
D. personal computers
✅ The correct answer is option C.
Which of the following is used as a primary storage device?
A. Magnetic drum
B. PROM
C. Floppy disk
D. All of the above
✅ The correct answer is option B.
Which input device is able to scan & interpret an entire page that is typed in a special font
A. Floppy disk
B. Page reader
C. Paper tape punch
D. Optical card readers
✅ The correct answer is option B.
Binary numbers need more places for counting because
A. They are always big numbers
B. Any no. of 0’s can be added in front of them
C. Binary base is small
D. 0’s and l’s have to be properly spaced apart
✅ The correct answer is option C.
Which of the following is intended to be used in all applications runs on mainframe computers.
A. LOGO
B. APL
C. PL/1
D. OCCAM
✅ The correct answer is option C.
Which of the following is a pointing device?
A. Hard disk
B. CD-ROM drive
C. Touch screen used for computer input.
D. RAM
✅ The correct answer is option C.