UPSC 2000 › Science & Technology › Computer & Information Technology

2 questions · 2000 · answers as per the UPSC key

Take test Free Study this topic: Science and Technology
All years of Computer & Information Technology · Full UPSC 2000 paper
UPSC 2000 · Q98 · Science & Technology › Computer & Information Technology · Save

The memory of a computer is commonly expressed in terms of Kilobytes or Megabytes. A byte is made up of

(a) eight binary digits
(b) eight decimal digits
(c) two binary digits
(d) two decimal digits
Show answer
Answer: (a) eight binary digits
UPSC 2000 · Q101 · Science & Technology › Computer & Information Technology · Save

For reproducing sound, a CD (Compact Disc) audio player uses a

(a) quartz crystal
(b) titanium needle
(c) laser beam
(d) barium titanate ceramic
Show answer
Answer: (c) laser beam