121. In computers, bus width is measured in __

Bits

Characters

Bytes

Megabytes

122. In computers, bus width is measured in __

Bits

Characters

Bytes

Megabytes

123. Which one of the foolowing is not true of valatile memory?

CPU can read any address

Random Accesss Memory

Speeds measured in r.p.m

Required power to hold data

124. Which one of the following is an example of nonvolatile memory?

ROM

POST

BIOS

all of these

125. When a document is wider than it is long , which of the following page orientations should be selected?

Landscape

Portrait

Legal

Tabloid

126. In the cpu, the ...... unit controls resources in the computer?

Command

Arithmetic Logic

Memory

Control

127. In a Computer, text codes coverts letters into___

Decimal Numbers

Magnetic pulse

Binary Format

Graphics

128. In binary number system, each bit represents a-----

Character

Switch

Signal

Number

129. Among the computer generations, www, HTML, DVD, iPad etc. are some of the popular inventions of which generation?

3rd

4th

5th

6th

130. In Ms word excel, what is the short cut key to replace a data with another in a sheet?

Ctrl+F

Ctrl+R

Ctrl+H

Ctrl+Shift+R

131. which of the following type of printer spays ink onto paper?

Laser

Dot Matrix

Ink-jet

all of these

132. Which of the following types of techology lests computers use light as a source of Input?

Operative

Optical

Optimal

Optional

133. To avoid eyestrain you should place the monitor......

5-6 feets

2-3 feets

2-3 meters

5 meters

134. A bar code reader cmits--

Sound

Commands

Light

Magnetic Field

135. The common keyboard arrangement is called the .... layout.

QEWTUR

QYWERT

QYTRWE

QWERTY

136. Which type of disk can store up to 17 GB of Data?

Floppy Disk

CD

DVD

all of these

137. One character is represented by--

one bit

One Byte

One kilobyte

One Megabyte

138. Which types of computers are also called midrange computers?

PC

Mini computer

Mainframe

Super Computer

139. In case of a computer monitor which of the following term refers to the sharpness of an image?

Resolution

Refresh rate

size

Dot pitch

140. Which of the following is not an example of secondary storage device?

Hard Disk

RAM

Magnetic tapes

Compact discs