computer MCQs – Page 9

Practise multiple-choice questions from computer for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

161. ASCII stands for__________?
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A. American Stable Code for International Interchange

B. American Standard Code for Information Interchange

C. American Standard Case for Institutional Interchange

D. American Standard Code for Interchange Information

162. Examples of output devices are?
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A. Speaker

B. Screen

C. Printer

D. All of these
163. The basic operations performed by a computer are__________?
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A. Storage and relative

B. Logical operation

C. Arithmetic operation

D. All the above
164. The task of performing operations like arithmetic and logical operations is called____________?
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A. Processing

B. Editing

C. Storing

D. Sorting

165. Which technology is used in compact disks?
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A. Electro Magnetic

B. Laser

C. Electrical

D. Mechanical

166. Who is the Current CEO of Microsoft?
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A. Bill Gates

B. Bill Clinton

C. Satya Nadella

D. Babbage

167. The computer abbreviation KB usually means____________?
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A. Key Block

B. Kit Bit

C. Kernel Boot

D. Kilo Byte
168. What type of resource is most likely to be a shared common resource in a computer Network?
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A. Printers

B. Floppy disk drives

C. None of these

D. Speakers

169. A CPU contains___________?
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A. an arithmetic logic unit and a card reader

B. a card reader and a printing device

C. a control unit and an arithmetic logic unit

D. an analytical engine and a control unit

170. When creating a computer program, the____________designs the structure of the program?
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A. Programmer

B. All of the above

C. End user

D. System Analyst
171. What does DMA stand for?
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A. Direct Memory Access

B. Direct Memory Allocation

C. Distinct Memory Access

D. Direct Module Access

172. ___________is the key we use to run the selected command?
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A. TAB

B. SHIFT

C. CTRL

D. ENTER
173. Who is the father of Internet ?
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A. Vint Cerf

B. Martin Cooper

C. Chares Babbage

D. Denis Riche

174. To prevent the loss of data during power failures, use a(n)_____________?
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A. UPS

B. Surge protector

C. Firewall

D. Encryption program

175. If a computer has more than one processor then it is known as__________?
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A. Multiprocessor

B. Multi-programming

C. Multi-threaded

D. Uni-process

176. __________is defined as any crime completed through the use of computer technology?
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A. Hacking

B. Cracking

C. Computer forensics

D. Computer crime
177. Which of the following is also known as brain of computer?
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A. Monitor

B. Central Processing unit

C. Control unit

D. Arithmetic and language unit

178. ____________translates and executes program at run time line by line?
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A. Interpreter

B. Compiler

C. Linker

D. Loader

179. When a logic bomb is activated by a time-related event, it is known as a____________?
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A. Virus.

B. Time-related bomb sequence.

C. Time bomb.

D. Trojan horse.

180. _________computer are of large size?
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A. Super

B. Micro

C. Mini

D. Mainframe