197. A pen shaped device which can sense light, and is used to point at spots on a video screen.
A. Mouse
B. Light pen
C. Joystick
D. Plotter
✅ The correct answer is option B.
199. Which is an electronic device that can store temporarily a single bit of data.
A. Accumulator
B. Buffer
C. Memory
D. Latch
✅ The correct answer is option D.
201. Before a disk drive can access any sector record, a computer program has to provide the record’s disk address. What information does this address specify?
A. Track number
B. Sector number
C. Surface number
D. All of the above
✅ The correct answer is option D.
203. 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.
204. Which of the following is still useful for adding numbers?
A. EDSAC
B. ENIAC
C. Abacus
D. UNIVAC
✅ The correct answer is option C.
206. 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.
210. 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.
213. In latest generation computers, the instructions are executed
A. Parallely only
B. Sequentially only
C. Both sequentially an parallely
D. All of the above
✅ The correct answer is option C.
215. Compilers and interpreters are themselves
A. High-level language
B. Codes
C. Programs
D. Mnemonics
✅ The correct answer is option C.
217. One MB is equal to?
A. 1024 Byte
B. 1024 KB
C. 1000 KB
D. 1024 GB
✅ The correct answer is option B.