computer awareness mcq for competitive exams

 1. What does the acronym PDF stand for? 
(a) Portable Documenting Format 
(b) Portable Documentation File 
(c) Portable Documentation Format 
(d) Portable Document Format 
(e) Portable Document File 
(Ans : d)

2. LSI in chip technology stands for– 
(a) Large-Scale Integration 
(b) Low-Scale Internet 
(c) Local-Scale Integration 
(d) Large-Scale Internet 
(e) Low-Scale Integration 
(Ans : a)

3. Which of the following best describes a network in which a company's data and applications are stored at offsite data centers that are accessed over the Internet? 
(a) Extranet
 (b) Intranet 
(c) Virtual Private Network 
(d) Cloud Computing 
(e) Local Area Network
 (Ans : d)

4. Which of the following is not a binary number? 
(a) 110 
(b) 1001 
c) 100110
 (d) 233
 (e) 11101
 (Ans : d)

5. Micro Processor speed is measured in–
(a) megabytes 
(b) bytes
 (c) kilobytes 
(d) gigabytes 
(e) gigahertz 
(Ans : e)

6.  ……….is a computer hardware component that connects a computer to computer network. 
(a) Networking Internet Connection 
(b) Newer Industrial Computer 
(c) Network Integration Card 
(d) Network Internal card 
(e) Network Interface Card
 (Ans : e)

7. A hard disk drive consists of several fixed, rotating disks called– 
(a) platters 
(b) RAIDs
 (c) cylinders
 (d) plotters 
(e) mini -disks
 (Ans : a)

8. Which of the following is the correct order of the four major functions of a computer? 
(a) Process, Storage, Input, Output
 (b) Input, Process, Output, Storage 
(c) Process, Output, Input, Storage
 (d) Storage, Output, Process, Input 
(e) Input, Output, Process, Storage
 (Ans : b)

9. What does the acronym PROM stand for? 
(a) Programmer Read-Only Memory 
(b) Programmable Read-Only Memory 
(c) Programmable Read-Only Memory
 (d) Program Read-Only Memory 
(e) Programmed Read-Only Memory 
(Ans : b)

10. Which of the following is an electronic or paper log used to track computer activity? 
(a) Monitor
 (b) Trace route 
(c) Cookie
 (d) Audit trail
 (e) Web log 
(Ans : d)

11. The largest unit of storage is– 
(a) Byte 
(b) Terabyte 
(c) Megabyte
 (d) Kilobyte 
(e) Gigabyte
 (Ans : b)

12. Which of the following devices sends and receives data over telephone lines to and from computers? 
(a) Modem 
(b) Expansion slot 
(c) Printer 
(d) Speaker
 (e) Sound Card
 (Ans : a)

13. How many bytes are there in a terabyte? 
(a) 1000
 (b) 1 billion 
(c) 1 trillion 
(d) 1 million
 (e) 1 quadrillion
 (Ans : c)

14. Which is a pointing device? 
(a) Joystick
 (b) Monitor
 (c) Scanner 
(d) Plotte
(e) Printer
 (Ans : a)

15. Checking whether a program functions correctly, and then correcting errors, is known as– 
(a) decoding
 (b) error-proofing a program 
(c) debugging 

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