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Sunday, May 26, 2013

COMPUTER KNOWLEDGE PRACTICE MCQs

1. A (n) ____ program is one that is ready to run and does not need to be altered in any way.
1) Interpreter
2) High-level
3) Compiler 
4) COBOL 
5) Executable

2. Which of the following is true about URL?
1) It is a computer program
2) It is a type of Programming object
3) It is the address of a document or page on the World Wide Web
4) It is an acronym for Unlimited Resources for Listening
5) It is a piece of hardware

3. Universal Product Code (UPC) is a _
1) Scanner 
2) Hardware Equipment
3) Antivirus 
4) Graphics Adapter
5) Barcode system

4. Facsimile Transmission Machine is popularly known as: 
1) ATM 
2)Scanner 
3) Fax Machine 
4) Format Machine 
5) None

5. What is the significance of a faded/ dimmed command in a pull-down menu?
1) Screen becomes faded / dimmed if the command is selected 
2) The command is not accessible currently
3) A dialog box appears if the command is selected.
4) A help window appears if the command is selected. 
5) None 

6. The main folder on a storage device is called _____
1) Root Directory
2) Interface
3) Device driver
4) Platform
5) Main directory

7. To protect the computer from hacker intrusions, ____ must be installed.
1) Firewall
2) Mailer
3) Script
4) Yahoo Messenger
5) None of these

8. Which of the following is used to read handwritten or printed text to make a digital image that is stored in memory?
1) Printer 2) Laser beam
3) Scanner 4) Touchpad 5) None 

9. A program designed to destroy data on the computer which can travel to infect other computers is called a ____
1) Hurricane
2) Infector
3) Disease 
4) Virus 
5) None

10. Thesaurus option is available in ___ menu.
1) Page layout
2) References
3) Review 
4) View 
5) Layout

11. Which of the following is/ are the functions of operating system 
1) Memory Management
2) Access to I/O devices
3) Controlled Access to files
4) All the above 
5) None of these

12. The easiest way to select text is to left click the mouse and _____
1) Hold the Shift key
2) Hold the Ctrl key
3) Move the mouse
4) Drag Over the words you want to highlight 
5) None

13. Which part of the URL http://www.sbi.co.in will specify the rules to be followed when accessing a file? 
1) http:// 
2) www
3) sbi 
4) .in 
5) sbi.co.in

14) Moving the page around to view all the pages in the document on the screen is referred to as: 
1) Surfing
2) Navigating
3) Hyperlink
4) Scrolling
5) Browsing

15 Which of the following is the short-cut key to close an active tab of a browser? 
1) Alt + F4
2) Ctrl + C
3) Ctrl + F4
4) Shift + C
5) Ctrl + W

ANSWERS:
1) 5; 2) 3; 3) 5; 4) 3; 5) 2; 6) 1
7) 1; 8) 3; 9) 4; 10) 3; 11) 4; 12) 4; 13) 1; 14) 4; 15) 5. 

Saturday, March 2, 2013

COMPUTER KNOWLEDGE PRACTICE MCQs

1. Process of finding/ correcting program errors is—
(A) Bugs (B) Debugging
(C) Hacking (D) Cracking
Ans : (B)

2. Diagnostic routines is a—

(A) Programs used to print error messages
(B) Indicates system problems and improper program instructions.
(C) Both A & B are true
(D) None of these
Ans : (C)

3. The term DBMS is referred to—

(A) Data Base Management system
(B) The software used for the management, maintenance and retrieval of the data stored in a data base
(C) A & B both true
(D) None of these
Ans : (C)

4. The speed at which data is transferred from the main memory to another medium on which data are recorded is referred as—

(A) Data transfer rate (B) Byte
(C) Buds (D) None of these
Ans : (A)

5. The time period during which a computer is malfunctioning or not operating correctly due to machine failures is referred as—

(A) Downtime (B) Uptime
(C) Runtime (D) None of these
Ans : (A)

6. EBCDIC is—
(A) 6-bit coding system (B) 7-bit coding system
(C) 8-bit coding system (D) 9-bit coding system
Ans : (C)

7. A data communication facility on which data can be transmitted in two directions is referred as—
(A) Duplex (B) Simplex
(C) Triplex (D) None of these
Ans : (A)

8. Electronic Mail /Message System (EMMS) best suits to—
(A) Postal service (B) Telephone service
(C) Telegraph service (D) None of these
Ans : (A)

9. Digital Computer is a computer—
(A) that works with discrete quantities (B) that works with analog quantities
(C) Both A & B (D) None of these
Ans : (A)

10. The subdivision of fields—
(A) always done to give the programmer greater flexibility
(B) dependent on programming language used
(C) never accomplished on fields containing numeric data
(D) all the above
Ans : (B)

11. The primary memory of a personal computer consists—
(A) ROM only (B) RAM only
(C) Both ROM and RAM (D) memory module
Ans : (C)

12. Microsoft Excel is?
(A) financial planning package (B) electronic spreadsheet
(C) graphics package (D) data-base management package
Ans : (B)

13. All the keys on the IBM PC keyboard repeat as long as one holds them down. These keys are known as?
(A) typematic keys (B) functional keys
(C) automatic keys (D) alphabetic keys
Ans : (A)

14. Distributed data processing configuration where all activities passes through a centrally located computer is—
(A) ring network (B) spider network
(C) hierarchical network (D) data control network
Ans : (B)

15. Communications device, combines transmissions from several devices into on line is ?
(A) concentrator (B) modifier
(C) multiplexer (D) full-duplex line
Ans : (C)

16. Data communications involving telegraph lines uses—
(A) simplex lines (B) wideband channels
(C) narrowband channels (D) Dialed service
Ans : (C)

17. A semiconductor memory which allows the eraser of the information stared in it so that new information can be stared in it is referred as—
(A) EPROM (B) ROM
(C) RAM (D) None of these
Ans : (A)

18. Extended ASCII uses—
(A) 8 bits for coding (B) 9 bits for coding
(C) 10 bits for coding (D) 11 bits for coding
Ans : (A)

19. A device used for transmission of images scanned at a transmitting point and duplicated at a receiving point is—
(A) Facsimile (FAX) (B) Telephone
(C) Photocopier (D) None of these
Ans : (A)

20. A data transmission medium made of tiny threads of glass or plastic that can transmit huge amount of information at the speed of light is—
(A) Fiber optic cable (B) Copper cable
(C) Twisted wire cable (D) None of these
Ans : (A)