Computer Question-Answer
Chapter: Fundamental
101. Tape speed is measured in Inch per second.
102. The act of retrieving existing data from memory is called read or read-out or read from.
103. The ALU of a computer normally contains a number of high speed storage element called Registers.
104. The ALU of a computer responds to the commands coming from Control section.
105. The basic operations performed by a computer are i) Storage ii) Logical operation
iii) Arithmetic operation
106. The Binary numbers are 0,1
107. The binary system uses powers of 2
108. The error are pointed by the compiler are Syntax error.
109. The extension of Batch file – (.BAT)
110. The full form of DOS is Disk Operating System.
111. The function of a kernel in an operating system is to?
Ans: - Interact with the hardware device
112. The memory which is ultraviolet light erasable and electrically programmable is Eprom.
113. The metal or plastic case that holds all the physical parts of computer is the?
Ans: - System unit
114. The output quality of a printer is measured by Dots per inch.
115. The port no. used by HTTP is 80.
116. The port no. used by SMPT is 25.
117. The section of the CPU that selects, interprets and sees to the execution of program instructions Control Unit.
118. The steps and tasks needed to process data, such as responses to questions or clicking an icon, are called?
Ans: - Instructions
119. The symbols used in an assembly language are Mnemonics.
120. The system unit of a personal computer typically contains all of the following except: Modem.
121. The term gigabyte refers to 1024 megabytes.
122. The time required for the fetching and execution of one simeple machine instruction is CPU CYCLE.
123. The two major types of computer chips are External memory chip & Primary memory chip.
124. The Word function that correct text as you type is reffered as Auto Correct.
125. To Clear the screen in DOS- CLS
126. To Display List of all Hidden Files & Directories- DIR/AH
127. To Display a Message in a Batch File, the command is @ Echo “Text”
128. To Display System Date- DATE
129. To Display the Directory structure along with the Files Tree/F
130. The move the bottom of a document press Ctrl + End
131. To see the Dir Listing in Lower Case DIR/L
132. To see the Directory Listing using an external Dos Command DIR | MORE
133. UNIVAC is Universal Automatic Computer.
134. VGA is Video Graphics Array.
135. Visual Display Unit is an Output Device.
136. WAN stands for Wide Area Network.
137. What are the three decisions making operations performed by the ALU of a Computer?
Ans: - i) Grater than ii) Less than
iii) Equal to
138. What difference does the 5th generation computer have from other generation computers?
Ans: - Technological advancement
139. What is meant by a dedicated computer?
Ans: - Which is assigned one and only one task
140. What do you call a single point on a computer screen?
Ans: - Pixel
141. What is meant by quad-density (QD) diskette?
Ans: - i) It is double-side disk ii) It is double density disk iii) It has double the number of tracks per inch
142. What is the Control Unit function in the CPU?
Ans: - To perform logic function
143. What is the name of the display feature that highlights are of the screen which requires operator?
Ans: - Reverse video
144. What is the responsibility of the logical unit in the CPU of a computer?
Ans: - To compare numbers
145. What type of device is computer keyboard?
Ans: - Input
146. Where have the program and data to be located before the ALU and control unit of a computer can operate on it?
Ans: - Internal memory
147. Which access method is used to access cassette tape?
Ans: - Sequential
148. Which American computer company is called Big Blue?
Ans: - IBM
149. Which are the Wild Card Characters?
Ans: - * , ?
150. Which Command deletes the empty Directory?
Ans: - RD
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