Computer Knowledge MCQs

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1. We cannot delete the ____________ icon, but we can made it invisible.
1. Recycle
2. My Computer
3. Internet Explorer
4. All the above
5. None of the above
2. A computer programmer
1. can draw only flowchart
2. can enter data quickly
3. does all the thinking for a computer
4. can operate all type of computer equipment
5. None
3. The RF communication can be broadly classified in how many types ?
1. three
2. four
3. two
4. six
5. ten
4. _________________ is sometimes said to be object oriented, because the only way to manipulate kernel objects is by invoking methods on their handles

1. Windows NT
2. Windows XP
3. WIndows VISTA
4. Windows 95/98
5. Windows 7
5. What is the meaning of "Hibernate" in windows XP/ Windows 7 ?
1. Restarty the computers in safe mode
2. Restart the computers in normal mode
3. Shutdown the computer terminating all the running applications
4. Shutdown the computer without closing the running applications
5. Restart the computers all the running applications
6. Which layer of OSI model, firstly make use of unit of data called “Packet”?
1. Datalink Layer
2. Transport Layer
3. Network Layer
4. Presentation Layer
5. None
7. Which of the following operating system is launched by IBM for personal computers?
1. IBM-DOS  
2. MS-DOS  
3. OS/2  
4. PC-DOS  
5. None
8. Communication between computers is established, maintained and terminated by _____ .
1. Network Layer
2. Session Layer
3. Application Layer
4. Presentation Layer
5. None
9. Which of the following is not available on the Rurler of MS Word Screen ?
1. Tab stop box
2. Left Indent
3. Right Indent
4. Center Indent
5. All of them are available on ruler
10. The four parts of a database listed in ascending order are?
1. File, record, field, entry
2. Entry, field, record, file
3. Field, entry, record, file
4. Record, field, entry, file
5. None
11. Which input device is used to read characters directly from an ordinary piece of paper?
1. OMR  
2. OCR  
3. TSR  
4. PCR  
5. None
12. The place where data or information is stored for a short time is
1. Memory  
2. Control Unit  
3. Buffer  
4. ALU  
5. None
13. The process of finding errors in software’s source code
1. Debugging  
2. Compiling  
3. Testing  
4. Running  
5. None
14. Primary Memory of a personal computer consists of
1. RAM only
2. ROM only
3. Hard Disk only
4. Both (a) and (b)
5. All (a), (b), and (c)
15. A Trojan horse is
1. An ad ware program
2. A virus disguised as a useful program.
3. A program that blows up every time you use it
4. A spy ware which steal information over internet
5. None
16. A computer-hoax is?
1. A Trojan threat
2. A computer hacker
3. A program that blows up every time you use it
4. A program intended to scare users into thinking they have a virus
5. None
17. Which generation of computer use Artificial Intelligence?
1. Third  
2. Fourth  
3. Fifth  
4. Sixth  
5. None
18. One piece or item of information in a database is known as a/an ____?
1. Record  
2. Entry  
3. File  
4. Field  
5. None
19. Locking was introduced into databases so that _____?
1. Consistency can be enforced
2. Keys can be provided to maintain security
3. All simultaneous transactions are prevented
4. Passwords can be provided to maintain security
5. None
20. A set of related records in a database is known as a______?
1. File  
2. Tuples  
3. Field  
4. Record-group  
5. None

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