Subject Science & Technology
151. To avoid eyestrain, you should place the monitor ___ away from your eyes.
(a) 5-6 feet
(b) 2-3 meters
(c) 5 meters
(d) 2-3 feet
(e) None of these
Ans. d
152. Which of the following type to technology lets computers use light as a source of input?
(a) Operative
(b) Optical
(c) Optimal
(d) Optional
(e) None of these
Ans. b
153. Which of the following type of printer sprays ink onto paper?
(a) Laser
(b) Dot Matrix
(c) Ink-jet
(d) All of these
(e) None of these
Ans. c
154. In MS Excel, what is the short cut key to replace a date with another in a sheet?
(a) Ctrl + R
(b) Ctrl +shift
(c) Ctrl +H
(d) Ctrl + F
(e) None of these
Ans. a
155. Among the computer generations, WWW, HTML, DVD, iPod etc. are some of the popular inventions of which generation?
(a) 3rd
(b) 4th
(c) 5th
(d) 6th
(e) None of these
Ans. d
156. In binary number system, each bit represents a ___.
(a) Character
(b) Switch
(c) Signal
(d) Number
(e) None of these
Ans. a
157. In a computer, text codes converts letters into ___.
(a) Decimal numbers
(b) Magnetic pulse
(c) Binary format
(d) Graphics
(e) None of these
Ans. c
158. In the CPU, the ___ unit controls resources in the computer.
(a) Command
(b) Arithmetic logic
(c) Memory
(d) Control
(e) None of these
Ans. d
159. When a document is wider than it is long, which of the following page orientations should be selected?
(a) Landscape
(b) Portrait
(c) Legal
(d) Tabloid
(e) None of these
Ans. a
160. Which one of the followings is an example of nonvolatile memory?
(a) ROM
(b) BISO
(c) POST
(d) All of these
(e) None of these
Ans. a
161. Which one of the following is not true for Volatile Memory?
(a) CPU can read any address
(b) Random Access Memory
(c) Speeds measured in r.p.m
(d) Requires power to hold date
(e) None of these
Ans. c
162. In computer, bus width is measured in ____.
(a) Bits
(b) Characters
(c) Bytes
(d) Megabytes
(e) None of these
Ans. a
163. In magnetic storage devices, tracks are divided into ____.
(a) Subtracts
(b) Supertracks
(c) Segments
(d) Sectors
(e) None of these
Ans. d
164. A certain hard disk has a date transfer rate of 20 MB/ sec. How much time is required to transfer 5 megabyte from this disk to memory?
(a) 20 sec
(b) 1 sec
(c) 0.5 sec
(d) 0.25 sec
(e) None of these
Ans. e
165. Which one of the following is an example of file compression software?
(a) Win compress
(b) Ms Compress
(c) Win Zip
(d) Ms File Zip
(e) None of these
Ans. c
166. Which one of the following is not a function of an operating system (OS)?
(a) Provide a user interface
(b) Manage Hardware devices
(c) Copy files from the network automatically
(d) Run Programs
(e) None of these
Ans. c
167. Which one of the following Operating Systems (OS) has command line as the user interface?
(a) DOS
(b) Linux
(c) UNIX
(d) All of these
(e) None of these
Ans. c
168. Which one of the following is the most popular operating systems for PC?
(a) Apple MAC OS X
(b) Microsoft Windows
(c) DOS
(d) Fedora
(e) None of these
Ans. b
169. To remove a program from your computer, you can ___ it.
(a) Transfer
(b) Copy
(c) Undo
(d) Uninstall
(e) None of these
Ans. d
170. Older computer were ___.
(a) Analog ca
(b) Digital
(c) Pipelined
(d) Parallel
(e) None of these
Ans. a
171. Which of the following is an Antivirus Software?
(a) Maya
(b) AVG
(c) Google
(d) Outlook
(e) None of these
Ans. b
172. If a disk has a bad spot on its surface, the spot is called a ___.
(a) Disk crash
(b) Disk error
(c) Disk scanner
(d) Disk sector
(e) None of these
Ans. e
173. Which of the following is an example of Single user/ Single tasking OS?
(a) DOS
(b) Windows XP
(c) Windows?
(d) Linux
(e) None of these
Ans. a
174. Which of the following is a speed sheet Program?
(a) MS Word
(b) Windows XP
(c) Windows 7
(d) Linux
(e) None of these
Ans. c
175. Which of the following statement is valid?
(a) IKB = 1024 bytes
(b) MS power Point
(c) Ms Excel
(d) Yahoo
(e) None of these
Ans. a