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Monday, July 16, 2012

COMPUTER KNOWLEDGE PRACTICE MCQs

1.What is the ultimate purpose of Defragmentation ?
1) Make the PC faster
2) Create More Free Space
3) Delete temporary files
4) Reduce Power consumption
5) All of the above

2.Computers process data into information by working exclusively with :
1) multimedia
2) words
3) characters
4) numbers
5) None of these

3.You must install a (n) ......... on a network if you want to share a broadband Internet connection
1) router
2) modem
3) node
4) cable
5) None of these

4.The purpose of the primary key in a database is to :
1) unlock the database
2) provide a map of the data
3) uniquely identify a record
4) establish constraints on database operations
5) None of these

5.The design of the network is called the network
1) architecture
2) server
3) transmission
4) type
5) None of these

6.The most frequently used instructions of a computer program are likely to be fetched from:
1) the hard disk
2) cache memory
3) RAM
4) registers
5) None of these

7.Personal logs or journal entries posted on the Web are known as :
1) listservs
2) Webcasts
3) blogs
4) subject directories
5) None of these


8.Which of the following is NOT a type of broad band internet connection ?
1) Cable
2) DSLspan>
3) Dial-up
4) Satellite
5) None of these

9.Linux is a(n) ........ operating system
1) open-source
2) Microsoft
3) Windows
4) Mac
5) None of these

10.Which of the following places the common data elements in order from smallest to largest
1) character, file, record, field, database
2) character, record, field, database, file
3) character, field, record, file, database
4) Bit, byte, character, record, field, file, database
5) None of these
 11. ………are often delivered to a PC through an e-mail attachment and are often designed to do harm.
(A) Viruses
(B) Spam
(C) Portals
(D) Email messages
(E) None of these

12. What is the storage area for e-mail messages called ?
(A) A folder
(B) A directory
(C) A mailbox
(D) The hard disk
(E) None of these

13. A desktop computer is also known as a—
(A) Palm Pilot
(B) PC
(C) Laptop
(D) Mainframe
(E) None of these

14. When a file contains instructions that can be carried out by the computer, it is often called a(n) ……file.
(A) data
(B) information
(C) executable
(D) application
(E) None of these

15. Documents converted to……can be published to the Web.
(A) a.doc file
(B) http
(C) machine language
(D) HTML
(E) None of these

16. If a user needs information instantly available to the CPU, it should be stored—
(A) on a CD
(B) in secondary storage
(C) in the CPU
(D) in RAM
(E) None of these

17. To what temporary area can you store text and other data, and later paste them to another location ?
(A) The clipboard
(B) ROM
(C) CD-ROM
(D) The hard disk
(E) None of these

18. In a spreadsheet, a………is a number you will use in a calculation.
(A) label
(B) cell
(C) field
(D) value
(E) None of these

19. After slide-directed time, if you want to move ahead automatically, click in……check box in transition of this slide group in tab of animations—
(A) Transition timer
(B) Automatically opter
(C) Transition opter
(D) Automatic timer
(E) None of these

20. All are included in removable media except the following—
(A) CD-ROMs
(B) Diskette
(C) DVDs
(D) High disk drive
(E) None of these

21. If you open some menu and then decide that you do not want to select some option, then click the menu title again or press the…… key to layout the menu.
(A) shift
(B) tab
(C) escape
(D) F1
(E) None of these

22. Using the……process, it is easy to change the name of the file.
(A) transforming
(B) crash
(C) renaming
(D) retagging
(E) None of these

23. ………view shows that how will content on printed page, alongwith footer and margin header, appear.
(A) Draft
(B) Full screen reading
(C) Outline
(D) Page layout
(E) None of these

24. Using………, the text can be entered and edited very efficiently.
(A) Spreadsheet
(B) Typewriter
(C) Word processing programme
(D) Desktop publishing programme
(E) None of these


ANSWERS: 
     1. 2      2. 4      3. 1       4. 2      5. 1       6. 2       7. 3       8. 3       9. 1       10. 3
11.A       1 2.C      13.B       14.C       15.D       16.B       17.A       18.D       1 9.B       20.D     21.C         22.C         23.D    24.D  

COMPUTER KNOWLEDGR PRACTICE QUESTIONS FOR BANK EXAMS

1. Compiler is the
(a) name given to the computer operator
(b) part of the digital machine to store the information
(c) translator of source program to object
(d) part of arithmetic logic unit
(e) operator of Boolean Algebra
Ans (c)


2. Main memory is
(a) Random Access Memory (b) Read only Memory
(c) Serial Access Memory (d) None of these
Ans (a) 


3. Which of the following is the smallest and fastest computer imitating brain working?
(a) Supercomputer (b) Quantum Computer
(c) Param-10,000 (d) IBM chips
Ans (b) 


4. A compact disc (CD) is a data storage of the type
(a) Magnetic (b) Optical (c) Electrical (d) Electromechanical
Ans (a) 


5. Which of the following is not as language for computer programming?
(a) WINDOWS (b) PASCAL (c) BASIC
(d) COBOL (e) All of these
Ans (a) 


6. What are the two basic types of memory that your computer uses?

(a) RAM (b) RW/RAM (c) ROM (d) ERAM (e) POST
Ans (a)


7. The term gigabyte refers to(a) 1024 bytes (b) 1024 kilobytes (c) 1024 megabytes
(d) 1024 gigabytes (e) None of the above
Ans (c) 



8. A computer with CPU speed around 100 million instructions per second & with the word length of around 64 bits is known as

(a) Super computer (b) Mini computer (c) Micro computer
(d) Micro computer (e) None of the above
Ans (a) 


9. What digits are representative of all binary numbers?
(a) 0 (b) 1 (c) Both (a ) and (b) (d) 3 (e) None of the above
Ans (c) 


10. To locate a data items for storage is
(a) Field (b) Feed (c) Database
(d) Fetch (e) None of the above
Ans (d) 


11. Off-line operation is the operation of devices without the control of
(a) Memory (b) CPU (c) ALU
(d) Control unit (e) None of the above
Ans (b)


12. A type of line printer that uses an embossed steel band to form the letters printed on the paper is
(a) Golf ball printer (b) Dot-matrix printer
(c) Laser printer (d) Band printer (e) None of the above
Ans (d) 


13. A software used to convert source program instructions to object instruction is known as
(a) Compiler (b) Assembler (c) Interpreter
(d) Language processor (e) None of the above


14. The 'IC' chip, used in computers, is made of
(a) Chromium (b) Iron oxide (c) Silica (d) Silicon
Ans (d) 


15. Name the first general purpose electronic computer
Ans : UNIVAC 


16. The size of commonly used Floppy disk is
(a) 4.5” (b) 3.5” (c) 3.25” (d) 5.5”
Ans (b) 


17. Which of the following statement is wrong
(a) Windows XP is an operating system
(b) Linux is owned and sold by Microsoft
(c) Photoshop is a graphical design tool by Adobe
(d) Linux is free and open source software
Ans (b)


18. Operating system of a computer
(a) Enables the programmer to draw a flow chart
(b) Links a program with subroutine with references
(c) Provides a layer, user friendly interface
(d) None of the above
Ans (c) 


19. The term ‘Operating System’ means
(a) A set of programs which control computer working
(b) The way a user operates the computer system
(c) Conversion of high level language to machine language
(d) The way computer operator works
Ans (a) 


20. Wild card operators specifies
(a) can be used when writing into multiple files
(b) allows several files to be read simultaneously
(c) Provide an easy way of groups of related files
(d) Are only used when printing the contents of a file
Ans (c) 


21.Which one of the following is not a broadband communication medium
(a) Microwave (b) Fibre optic cable
(c) Twisted pair (d) Coaxial cable
Ans (c)


22.Which of the following performs modulation and demodulation
(a) Coaxial cable (b) Satellite (c) Modem (d) Optical fibre
Ans (c) 


23. Which one of the following is not an application software package
(a) Redhat Linux (b) Microsoft Office
(c) Adobe PageMaker (d) Open Office
Ans (a)


24. Who is the father of computer
Ans : Charles Babbage 


25.The function of key F4 is
Ans : To repeat the last action 


26.The function of key F4 is
Ans : To repeat the last action 


27. The 0 and 1 in the binary numbering system are called binary digits or .......
(a) bytes (b) kilobytes (c) decimal bytes (d) bits (e) nibbles
Ans (D) 


28. A monitor's ...... is the distance between the holes in the mask behind the screen. This helps determine how sharp the dots appear.
(a) refresh rate (b) dot pitch (c) resolution
(d) colour depth (e) None of the above
Ans (B) 


29. A directly accessible appointment calendar is a feature of a ....... resident package.
(a) CPU (b) memory (c) Buffer (d) ALU (e) None of the above
Ans (B)


30. Perforated paper used as input or output media is known as
(a) Paper tape (b) Magnetic tape (c) Punched paper tape
(d) Card punch (e) None of the above
Ans (A) 


31. The invention of the slide rule is attributed to
(a) Babbage (b) Oughtred (c) Pascal
(d) Napier (e) None of the above
Ans (B) 


32. Which of the following is not an advantage of magnetic disk storage.
(a) The access time of magnetic disk is much less than that of magnetic tape
(b) Disk storage is longer lasting than magnetic tape
(c) Disk storage is less expensive than tape storage
(d) All of the above
(e) None of the above
Ans (e) 


33. The memory sizes in mainframe computers and advanced technology micro computer are expressed as
(a) Bytes (b) Kilo-bytes (c) Bits
(d) Megabytes (e) None of the above
Ans (d)


34. A prefix for billion which is equal to .... is called as billi.
(a) 100 (b) 10000 (c) 1000 (d) 10 (e) None of the above
Ans (d) 


35. Each model of a computer has a unique
(a) Assembly language (b) Machine language
(c) High level language (d) All of the above
(e) None of the above
Ans (b) 


36. One kilobyte = ____ byte.
(a) 1250 (b) 2088 (c) 1024 (d) 1000
Ans (c) 


37. Which of the following circuit is used as a 'Memory device' in computers?
(a) Rectifier (b) Flip-Flop (c) Comparator (d) Attenuator
Ans (b) 


38. To move the cursor to the end of the document press
Ans : Ctrl + End 


39. In Word Processing the red underline indicates
Ans : Spelling mistakes 


40. The shortcut key to print documents is
Ans : Ctrl + P 


41. First layer in the OSI reference model is
(a) Data link (b) Network (c) Physical (d) Application
Ans (c) 


42. Viruses, Trojan horses and Worms are
(a) able to harm computer system
(b) unable to detect if affected on computer
(c) user-friendly applications
(d) harmless applications resident on computer
Ans (a) 


43. Program threats are
(a) Trap doors (b) Trojan horse (c) Both (a) & (b
Ans (b) 


44. Failure of passwords security due to exposure can result from
(a) Electronic monitoring (b) Visual (c) Both (a) & (b)
Ans (c) 


45. Data security threats include
(a) Hardware failure (b) Privacy invasion
(c) Fraudulent manipulation of data (d) All of the above
Ans (b) 


46. The bar which displays information about the current page number is
Ans : Status bar 


47. Graphical pictures that represent an object like file, folder etc. are
(a) Task bar (b) Windows (c) Desktop (d) Icons
Ans (d)


48. Who invented the super-computer?
(a) P.T Farnsworth (b) J.R Whinfield
(c) J.H. Van Tassell (d) Charles Ginsberg
Ans (c) 


49. Accessing records from a file directly without searching from the beginning of the file is
(a) Time sharing (b) Random
(c) Direct access (d) Access time (e) None of the above
Ans (c) 


50. Time during which a job is processed by the computer is
(a) Delay time (b) Real time (c) Execution time
(d) Down time (e) None of the above
Ans (c)