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VOCLET Examination question paper

COMPUTER-

1. When computer is turned on, a special type

of Loader program is executed and called as:

a) Boot Strap Loader b) Booting Loader

c) Compile & Go Loader d) Startup Loader

Answer : a) Boot Strap Loader

Which topology is used in Ethernet LAN:

a) Star b) Bus

c) Ring d) Mesh

Answer : a) Star

E 2 PROM is a _________ memory:

a) Volatile b) Flash

c) Non-volatile d) Magnetic

Answer : b) Flash

To return the remainder after a number is

divided by a divisor in excel we use the

function :

a) ROUND() b) FACT()

c) DIV() d) MOD()

Answer : d) MOD()

127 can be :

a) Decimal Number b) Hexadecimal Number

c) OCtal Number d) All of the above

Answer : d) All of the above

No. of address lines in a ROM of dimension

8K x 8 is :

a) 8 b) 16

c) 13 d) 6

Answer :b) 16

Explanation: 8K= 8 x 1024 =2 3 x 2 10 =2 13 .

8K x 8= 2 13 x 2 3 =2 16 .

Number of address lines=16 (the power of 2)

Which is a semiconductor memory:

a) Dynamic RAM b) Static RAM

c) Bubble Memory d) Both a and b

Answer : d) Both a and b

The program which is as permanent as

hardware and stored in ROM is known as

a) Hardware b) Software

c) Firmware d) Freeware

Answer : c) Firmware

Which unit is capable to differentiate

between data and program (code) :

a) Input b) Output

c) Memory d) CPU

Answer : d) CPU

E-mail address separate the user name

from the ISP using the symbol :

a) & b) @

c) # d) .

Answer : b) @

The transmission in address bus is :

a) Uni-directional b) Bi-directional

c) Buffered d) None of the above

Answer : a) Uni-directional

11011 in grey code in equivalent to

binary :

a) 10010 b) 10110

c) 00100 d) 10001

Answer : a) 10010

Explanation: Binary= 10010.

In greay code=

1,(1+0=1),(0+0=0),(0+1=1),(1+0=1),

For more questions here is the attachment

VOCLET Examination question paper



WB VOCLET 2013 COMPUTER Part Answer Questions Papers
VOCLET 2013 question and answer. Examination was held on 5/5/2013 (SUNDAY).*


VOCLET 2013 COMPUTER PART ANSWER KEY
1. When computer is turned on, a special type of Loader program is executed and called as:*
a) Boot Strap Loader b) Booting Loader
c) Compile & Go Loader d) Startup Loader

Answer : a) Boot Strap Loader 2.Which is a semiconductor memory:*
a) Dynamic RAM b) Static RAM
c) Bubble Memory d) Both a and b

Answer : d) Both a and b
3. Which topology is used in Ethernet LAN:*
a) Star b) Bus
c) Ring d) Mesh

Answer : a) Star 4. The program which is as permanent as hardware and stored in ROM is known as :*
a) Hardware b) Software
c) Firmware d) Freeware

Answer : c) Firmware
5. E2PROM is a _________ memory:
a) Volatile b) Flash
c) Non-volatile d) Magnetic

Answer : b) Flash 6. Which unit is capable to differentiate between data and program (code) :*
a) Input b) Output
c) Memory d) CPU

Answer : d) CPU
7. To return the remainder after a number is divided by a divisor in excel we use the function :*
a) ROUND() b) FACT()
c) DIV() d) MOD()

Answer : d) MOD() 8. E-mail address separate the user name from the ISP using the symbol :*
a) & b) @
c) # d)*.

Answer : b) @
9. 127 can be :*
a) Decimal Number b) Hexadecimal Number
c) OCtal Number d) All of the above

Answer : d) All of the above 10. The transmission in address bus is :*
a) Uni-directional b) Bi-directional
c) Buffered d) None of the above

Answer : a) Uni-directional
11. No. of address lines in a ROM of dimension 8K x 8 is :*
a) 8 b) 16
c) 13 d) 6

Answer :b) 16*
Explanation: 8K= 8 x 1024 =23*x 210=213.
8K x 8= 213*x 23=216.
Number of address lines=16 (the power of 2) 12. 11011 in grey code in equivalent to binary :*
a) 10010 b) 10110
c) 00100 d) 10001

Answer : a) 10010*
Explanation: Binary= 10010.*
In greay code= 1,(1+0=1),(0+0=0),(0+1=1),(1+0=1),
that means 11011 is the gray code of binary 10010
13. What range of decimal values can be represented by a 15 bit binary number :*
a) 0-511 b) 0-65535
c) 0-32767 d) None of the above

Answer : c) 0-32767*
Explanation: Upper range of decimal values= 215*- 1=32767 14. The maximum and minimum number in 1 8 bit 2's complement system is :*
a) 127 and -127 b) 128 and -128
c) 128 and -127 d) 127 and -128

Answer : d) 127 and -128
15. The internal network of an organization is :*
a) Internet b) LAN
c) Extranet d) Intranet

Answer :d) Intranet 16. By default there are ______ worksheets in an Excel file (newly open) :*
a) 2 b) 3
c) 4 d) 5

Answer : b) 3
17. Total number of columns in Excel sheet are :*
a) 65536 b) 1024
c) 265 d) 256

Answer :d) 256 18. What is shell ?*
a) It is an hardware component b) It is a part in compiler
c) It is a toool in CPU scheduling d) It is command interpreter

Answer : d) It is command interpreter
19. In windows operating system, the long horizontal bar at the bottom of the screen, visible almost att the time is*
a) Side bar b) Icon
c) Slide bar d) Task bar

Answer : d) Task bar 20. Which of the following is not valid version of MS-office ?*
a) Office XP b) Office 97
c) Office -Vista d) Office-2007

Answer : c) Office -Vista
21. Which of these is not a Internet Browser ?*
a) Firefox b) Chrome
c) Drupal d) Opera

Answer : c) Drupal 22. Which feature enable us to send the same letter to different person ?*
a) Macros b) Template
c) Mail Merge d) None of the above

Answer : c) Mail Merge
23. The layer present in between the hardware and the user program is :*
a) Application softwares b) Programming languages
c) Operating system d) None of the above

Answer : c) Operating system 24. The job of CD command in MS-DOS is ?*
a) Remove a directory b) Copy a directory
c) Change a directory d) Make a directory

Answer : c) Change a directory
25. Which of the following requires a device driver ?*
a) Register b) Cache
c) Main Memory d) Disk drive

Answer : d) Disk drive 26. The boolean expression x+x´y equals*
a) x+y b) x+xy
c) y+yx d) x´y+y´x

Answer : a) x+y*
Explanation: x + x´y =x (1+y) + x´y; ( We know, 1+y=1)
= x + xy + x´y= x + y (x+x´) = x+y; (We know, x+x´=1)
27. Which one is Universal gate ?*
a) NOT b) NAND
c) XOR d) AND

Answer : b) NAND 28. How many NAND gate are required to perform x+y?*
a) 2 b) 4
c) 1 d) 3

Answer : d) 3*
add picture
29. The main task of Cache memory is ?*
a) to reduce the time of data transfer between CPU and memory b) to reduce the access time of memory
c) to increase the data transfer rate d) None of the above

Answer : a) to reduce the time of data transfer between CPU and memory 30. What is the decimal equivalent of (1A)16*+ (D)16?*
a) 33 b) 29
c) 35 d) 39

Answer : d) 39*
Explanation: 1A= 1 x 161+ 10 x 160=16+10=26*
and D=13; So, 1A + D= 26+13=39
31. autoexec.bat is a?*
a) Programming language b) DOS Command
c) Batch file d) MS-Excel command

Answer : c) Batch file 32. Which of the following can be used to create a Web page?*
a) Visual Basic b) Access
c) JSP d) None of the above

Answer : c) JSP (Jave server page)
33. Higher bandwidth allows?*
a) Higher download speed b) Higher upload speed
c) Either a or b d) Both a and b

Answer : d) Both a and b 34. Which of the following is not a font style?*
a) Bold b) Italics
c) Regular d) Superscript

Answer : d) Superscript
35. Router in internet connects ?*
a) Gateways b) Network
c) Bridges d) Switches

Answer : b) Network 36. Pendrive contains ?*
a) Flash memory b) Cache memory
c) Dynamic memory d) Static memory

Answer : a) Flash memory
37. When we delete a file of folder in windows operating system, it goes to ?*
a) Recycle Bin b) Dust Bin
c) Cycle Bin d) None of the above

Answer : a) Recycle Bin 38. Slide sorter of Power Point is available on _____ menu ?*
a) Insert b) File
c) View d) Edit

Answer : c) View
39. Which of the following file contains internal DOS commands ?*
a) Command.com b) IO.sys
c) Command.sys d) Copy.con

Answer : a) Command.com 40. Which feature allows the user to create a simple presentation without spending too much time on it ?
a) Auto Content wizard b) Animation
c) Automation d) Chart Wizard

Answer : d) Chart Wizard
41. Who designed the first electronic computer ENIAC ?*
a) Von-Neumann b) Joseph M. Jacquard
c) Eckert & Mauchly d) None of the above

Answer : a) Von-Neumann 42. Directory in MS-DOS in similar to __ in MS-windows ?
a) Files b) Folder
c) Icons d) a and b

Answer : b) Folder
43. Which one is more suitable for LINUX ?*
a) It is a single user operating system b) It is a single tasking operating system
c) It is a multiuser & multitasking operating system d) All of the above

Answer : c) It is a multiuser & multitasking operating system 44. Which help us to display current date only in Excel?
a) Date() b) Today()
c) Now() d) Time()

Answer : b) Today()
45. (-10)10*in 2's complement is ?*
a) 110110 b) 101010
c) 110101 d) 101001

Answer : b) 101010 46. Disk Partitioning can be done the command?
a) FORMAT b) FDISK
c) SCANDISK d) PARTITION

Answer : b) FDISK
47. In LINUX which command is used to view current directory ?*
a) vd b) md
c) cd d) pwd

Answer : d) pwd 48. Buffer is a ?
a) Processor b) Control Unit
c) RAM d) Temporary Storage

Answer : d) Temporary Storage
49. Which code is referred as reflected binary code ?*
a) ASCII b) Grey
c) Excess-3 d) 8421 code

Answer : b) Grey 50. Marke the appropriate statement ?
a) RAND() returns a random number b) RAND() returns a random number ebtween 0 and 10
c) RAND() returns a random number between 0 and 1 d) RAND() returns a random number between -1 and 1

Answer : c) RAND() returns a random number between 0 and 1