118. The brain of any computer system is 130. What does DMA stand for?

A) Control Unit A) Distinct Memory Access

B) Arithmetic Logic Unit B) Direct Memory Access
C) Central Processing Unit C) Direct Module Access
D) Storage Unit D) Direct Memory Allocation

119. Analog computer works on the supply of 131. Who invented Integrated Circuits?
A) Continuous electrical pulses A) Jack Kilby
B) Electrical pulses but not continuous B) Robert Noyce
C) Magnetic strength C) Both of above
D) None of the above D) None of above

120. An error in software or hardware is called a bug. What is the 132. Operating system, editors, and debuggers comes under?
alternative computer jargon for it? A) System Software
A) Leech B) Application Software
B) Squid C) Utilities
C) Slug D) None of the above
D) Glitch
133. One computer that is not considered a portable is
121. The advantage of COM are its __ and __ A) Minicomputer
A) Compact size; speed readability B) Laptop computer
B) Compact size, speed C) Notebook computer
C) Readability; speed D) All of above
D) Low cost; readability
134. Which of the following is not an electronic computer?
122. The BIOS is the abbreviation of ________. A) ENIAC
A) Basic Input Output System B) ABC
B) Best Input Output System C) UNIVAC
C) Basic Input Output Symbol D) EDVAC
D) Base Input Output System
135. What is the name of the display feature that highlights are of
the screen which requires operator attention?
123. Which printer is very commonly used for desktop publishing?
A) Pixel
A) Laser printer
B) Reverse video
B) Inkjet printer
C) Touch screen
C) Daisywheel printer
D) Cursor
D) Dot matrix printer
136. Which is the largest computer?
124. IBM 1401 is
A) Mainframe Computer
A) First Generation Computer
B) Mini Computers
B) Second Generation Computer
C) Micro Computers
C) Third Generation Computer
D) Super Computers
D) Fourth Generation Computer
137. Which of the following are the best units of data on an
125. Most of the first generation computers were
external storage device?
A) Special purpose computers A) Bits
B) General purpose computers B) Bytes
C) Both of above C) Hertz
D) None of above D) Clock cycles

126. Floppy disks typically in diameter 138. The personal computer industry was started by
A) 3 A) IBM
B) 5.25 B) Apple
C) 8 C) Compaq
D) All of above D) HCL

127. The output quality of a printer is measured by 139. What is meant by a dedicated computer?
A) Dot per inch A) Which is used by one person only
B) Dot per sq. inch B) Which is assigned one and only one task
C) Dots printed per unit time C) Which uses one kind of software
D) All of above D) Which is meant for application software

128. On a PC, how much memory is available to application 140. Which programming languages are classified as low level
software? languages?
A) 1024 KB A) Basic, COBOL, FORTRAN
B) 760 KB B) Prolog 2, Expert Systems
C) 640 KB C) Knowledge based Systems
D) 560 KB D) Assembly Languages

129. In a computer _____ is capable to store single binary bit. 141. What was the main disadvantage of vacuum tubes?
A) Capacitor A) They were larger in size
B) Flip flop B) They consumed a lot of electricity
C) Register C) They produced heat and often burned out
D) Inductor D) The operation cost was high

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142. Registers, which are partially visible to users and used to hold
conditional, are known as 154. Which is a semi conductor memory?
A) PC A) Dynamic
B) Memory address registers B) Static
C) General purpose register C) Bubble
D) Flags D) Both a & b

143. Which is not a computer of first generation? 155. RJ45 UTP cable has ________ Cables.
A) ENIAC A) 2 pair
B) UNIVAC B) 3 pair
C) IBM 360 C) 4 pair
D) IBM 1401 D) 5 pair

144. Registers which are partially visible to users and used to hold 156. Which of the following is not a valid size of a Floppy Disk?
conditional codes (bits set by the CPU hardware as the result A) 8?
of operations), are known as B) 5 ¼?
A) PC C) 3 ½?
B) Flags D) 5 ½?
C) Memory Address Registers
D) General Purpose Registers 157. The earliest calculating devices are
A) Abacus
145. Who invented vacuum tubes? B) Clock
A) John Bardeen C) Difference Engine
B) William Shockley D) None of these
C) Lee de Forest
D) All of above 158. Word length of a Personal Computer is ___
A) 4 bits
146. An approach that permits the computer to work on several B) 8 bits
programs instead of one is C) 16 bits
A) On-line thesaurus D) 64 bits
B) Multiprogramming
C) Over lapped processing 159. What was the first computer to perform all calculation using
D) Outline processor electronics rather than wheels, ratchets, or mechanical
switches?
147. Who suggested Stored Program Concept A) Mark I
A) John Mauchley B) ABC
B) J.P. Eckert C) Z3
C) John Neumann D) None of above
D) Joseph Jacquard
160. A directly accessible appointment calendar is feature of a __
148. The central processing unit (CPU) consists of resident package
A) Input, output and processing A) CPU
B) Control unit, primary storage, and secondary storage B) Memory
C) Control unit, arithmetic-logic unit and primary storage C) Buffer
D) Control unit, processing, and primary storage D) ALU

149. The notable features like keyboards, monitors, GUI were 161. Which unit converts computer data into human readable
developed in form?
A) First generation A) Input unit
B) Second generation B) Output unit
C) Third generation C) ALU
D) Fourth generation D) Control Unit

150. UNIVAC is 162. The full form of ALU is

A) Universal Automatic Computer A) Arithmetic Logic Unit
B) Universal Array Computer B) Array Logic Unit
C) Unique Automatic Computer C) Application Logic Unit
D) Unvalued Automatic Computer D) None of above

151. Which is the highest form? 163. What produces useful information out of data?
A) Data A) Computer
B) Information B) Processing
C) Knowledge C) Programming
D) All of above D) none of above

152. Who is credited with the idea of using punch cards to control 164. Which of the following device was not invented by Babbage?
patterns in a waving machine? A) Pascaline
A) Pascal B) Difference Engine
B) Hollerith C) Analytical Engine
C) Babbage D) None of above
D) Jacquard
153. What is an interpreter? 165. A digital computer did not score over an analog computer in
A) An interpreter does the conversion line by line as the program is terms of
run A) Speed
B) An interpreter is the representation of the system being designed B) Accuracy
C) An interpreter is a general purpose language providing very C) Reliability
efficient execution D) Cost
D) None of the above

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166. Which number system is usually followed in a typical 32-bit 178. EBCDIC stands for
computer? A) Extended Binary Coded Decimal Interchange Code
A) Binary B) Extended Bit Code Decimal Interchange Code
B) Decimal C) Extended Bit Case Decimal Interchange Code
C) Hexadecimal D) Extended Binary Case Decimal Interchange Code
D) Octal
179. Personnel who design, program, operates and maintains
167. A computer has very low failure rate because it uses computer equipment refers to
electronic components. It produces very consistent results. A) Console-operator
This is highlighted by which of the feature of computer? B) Programmer
A) Accuracy C) Peopleware
B) Reliability D) System Analyst
C) Versatility
D) Automatic 180. IBM System/360 is
A) Mainframe Computer
168. A paper printout of a document is known as
B) Mini Computers
A) Softcopy output
C) Micro Computers
B) Hardcopy output
D) None of above
C) Permanent Output
D) All of above
181. A system is
A) an integration of different units so as to achieve an objective
169. Which electronic component was made out of semiconductor
material? B) input unit
A) Vacuum tubes C) input and output unit
B) Transistors D) input, output and storage units
C) ICs
D) All of above 182. Which of the following programming language started from
second generation?
170. The act of retrieving existing data from memory is called A) Cobol
A) Read-out B) BASIC
B) Read from C) C
C) Read D) LISP
D) All of above
183. The translator program used in assembly language is called
171. Which part of the computer is used for calculating and A) Compiler
comparing? B) Interpreter
A) Disk unit C) Assembler
B) Control unit D) Translator
C) ALU
D) Modem 184. EEPROM stands for
A) Electrically Erasable Programmable Read Only Memory
172. ABC is a B) Easily Erasable Programmable Read Only Memory
A) Special purpose computer C) Electronic Erasable Programmable Read Only Memory
B) General purpose computer D) None of the above
C) All Purpose Computer
D) None of above 185. Regarding data, computers are very good at
A) store
173. The computer code for the interchange of information B) Processing
between terminals is C) retrieve
A) ASCII D) All of above
B) BCD
C) EBCDIC 186. Bit map terminal
D) All of above A) support display containing multiple windows
B) require considerable amount of video RAM
174. When was the X window system born?
C) requires tremendous amount of copying and hence low
A) 1984
performance
B) 1989
D) all of above
C) 1988
D) 1990
187. First generation computers used _________ for memory
A) vacuum tubes
175. What is the first stage in software development?
A) Specification and design B) silicon chips
B) Testing C) magnetic drum
C) System Analysis D) RAM
D) Maintenance
188. Which of the following memories allows simultaneous read
176. Which of the following is valid statement? and write operations?
A) Data in itself is useless unless it is processed A) ROM
B) The data that is processed is called a program B) RAM
C) The data which is not yet processed is information C) EPROM
D) Information is processed by computer to generate data. D) None of above

177. The Second Generation Computer was based on ________. 189. EPROM can be used for
A) Vacuum Tube A) Erasing the contents of ROM
B) Silicon Chips B) Reconstructing the contents of ROM
C) Transistor C) Erasing and reconstructing the contents of ROM
D) Bio Chips D) Duplicating ROM

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190. ENIAC uses 203. Primary memory stores
A) Decimal Numbering System A) Data alone
B) Octal Numbering System B) Programs alone
C) Binary Numbering System C) Results alone
D) Hexadecimal Numbering System D) All of these

191. A term associated with the comparison of processing speeds 204. After copying the content how many times can you paste?
of different computer system is: A) 1
A) EFTS
B) 16
B) MPG
C) 32
C) MIPS
D) Many
D) CPS

192. which of the following is problem oriented language? 205. WAN stands for
A) High level language A) Wap Area Network
B) Machine language B) Wide Area Network
C) Assembly language C) Wide Array Net
D) Low level language D) Wireless Area Network

193. A 32 bit microprocessor has the word length equal to 206. An error in computer data is called
A) 2 byte A) Chip
B) 32 byte B) Bug
C) 4 byte C) CPU
D) 8 byte D) Storage device

194. The term GIGO is related to 207. The instructions for starting the computer are house on
A) Accuracy A) Random access memory
B) Reliability
B) CD-Rom
C) Versatility
C) Read only memory chip
D) Automatic
D) All of above
195. Web cam is an
A) input unit device 208. 1 nibble equals to
B) output unit device A) 1 bits
C) processing device B) 2 bits
D) Input and Output device C) 4 bits
D) 8 bits
196. Bit stands for
A) Binary digits 209. Perforated paper used as input of output media is known as
B) bit of system A) paper tapes
C) a part of byte B) magnetic tape
D) All of above C) punched papers tape
D) card punch
197. Access time is
A) seek time + latency time 210. The secondary storage devices can only store data but they
B) seek time cannot perform
C) seek time ? latency time A) Arithmetic Operation
D) latency time B) Logic operation
C) Fetch operations
198. Which device can understand difference between data &
D) Either of the above
programs?
A) Input device
B) Output device 211. Which American computer company is called Big Blue?
C) Memory A) Microsoft
D) Microprocessor B) Compaq Corp
C) IBM
199. Which of the following is a read only memory storage device? D) Tandy Svenson
A) Floppy Disk
B) CD-ROM 212. It was in 2028 BS the _________ was brought in to calculate
C) Hard Disk census data.
D) None of these A) IBM 1400
B) IBM 1401
200. Symbolic logic was discovered by C) ICL 2950
A) George Boole D) None of above
B) Herman Hollerith
C) Van Neumann 213. Who is the inventor of ABC Computer?
D) Basic Pascal A) John v. Atanasoff
B) Clifford Berry
201. Which of the following is not valid statement?
C) Both of above
A) Hard is referred to mean something temporary
D) None of above
B) Hard is used to mean something tangible
C) Soft is used to mean something permanent
D) Soft is used to mean something tangible 214. Which of the following is the largest unit?
202. Digital devices are A) data
A) Digital Clock B) field
B) Automobile speed meter C) record
C) Clock with a dial and two hands D) database file
D) All of them

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215. Find out who is not the inventor of transistors among 227. Which of the following is not electro-mechanical computer?
following names A) Mark I
A) John Burdeen B) ABC
B) William Shockley C) Zuse
C) Walter Brattain D) UNIVAC
D) Lee de Forest
228. The term ‘computer’ is derived from
216. Which of the following is not true for a magnetic disk? A) Greek language
A) It is expensive relative to magnetic tape B) Sanskrit language
B) It provides only sequential access to stored data C) Latin language
C) Users can easily update records by writing over the old data D) German language
D) All of above
229. Which statement is valid about magnetic tape?
217. A disadvantage of the laser printer is A) It is a plastic ribbon
A) It is quieter than an impact printer B) It is coated on both sides with iron oxide
B) It is very slow C) It can be erased and reused
C) The output is of a lower quality D) All of above
D) None of the above
230. Which of the following is first generation computer?
218. The most commonly used standard data code to represent A) EDSAC
alphabetical, numerical and punctuation characters used in B) IBM 1401
electronic data processing system is called
C) CDC 1604
A) ASCII
D) ICL 2950
B) EBCDIC
C) BCD
231. A hard copy would be prepared on a
D) All of above
A) Line printer
B) Dot matrix Printer
219. Which access method is used to access cassette tape?
C) Typewriter terminal
A) Direct
D) All of the above
B) Sequential
C) Both of the above
D) None of the above 232. The term GIGO is relate to which characteristics of
computers?
A) Speed
220. A Compiler is ____
B) Automatic
A) a combination of computer hardware
C) Accuracy
B) a program which translates from one high-level language to
another D) Reliability
C) a program which translates from one high-level to a machine level
language 233. Which of the following programming language were used in
D) None of these first generation computers?
A) Machine language
221. Which unit holds data temporarily? B) Assembly language
A) Input unit C) Both of above
B) Secondary storage unit D) None of above
C) Output Unit
D) Primary Memory Unit 234. To locate a data item for storage is
A) Field
222. The computer size was very large in B) Feed
A) First Generation C) Database
B) Second Generation D) Fetch
C) Third Generation
D) Fourth Generation 235. Who used punched cards practically for the first time in the
history of computers?
223. A name or number used to identify storage location devices? A) Charles Babbage
A) A byte B) Dr. Herman Hollerith
B) A record C) Howard Aikin
C) An address D) Joseph Jacquard
D) All of above
236. Hard disk is coated in both sides with
224. Which of the following is not computer language? A) Magnetic metallic oxide
A) High level language B) Optical metallic oxide
B) Medium level language C) Carbon layer
C) Low level language D) All of the above
D) All of the above
237. Which of the following term means to reckon?
225. Reading data is performed in magnetic disk by A) putare
A) Read/write leads B) com
B) Sectors C) computa
C) Track D) computar
D) Lower surface
238. An input /output device at which data enters or leaves a
226. IBM 7000 digital computer computer system is
A) Belongs to second generation A) Keyboard
B) Uses VLSI B) Terminal
C) Employs semiconductor memory C) Printer
D) Has modular constructions D) Plotter

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