Computer Objective Quetions 03

Ans is at bottom

1 . The brain of a computer is

(1) CPU

(2) CD

(3) Floppy disc

(4) Megabyte

(5) None of these

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2. In computer language, one kilobyte equals

(1) 1000 bytes

(2) 1024 bytes

(3) 100 bytes

(4) 8 bytes

(5) None of these S

3. Example of a telecommunications device is a

(1) Keyboard

(2) Mouse

(3) Modem

(4) Printer

(5) Scanner

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4. A device that copies or reproduced text and images is also called a(n)

(1) Optical scanner

(2) Bar code reader

(3) Character device

(4) Digital camera

(5) Printer

5. Storage that retains its data after the power is turned off is referred to as

(1) Volatile storage

(2) Sequential storage

(3) Direct storage

(4) Non-volatile storage

(5) Mobile storage

6. Which of these system input and output devices are located outside the system unit?

(1) Desktop system

(2) Personal digital assistants

(3) Smartphone

(4) Laptop computer

(5) None of the above

(7) . A byte is formed by a group of

(1) 4 bits

2) 8 bits

(3) 12 bits

(4) 16 bits

(5) None of these

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8. Which of the following is a function of the control unit?

(1) It provides pathways that support communication among tne various electronic components.

(2) It directs the control signal between the CPU and inputs and output devices.

(3) It performs fundamental math operations like addition, subtration, etc.

4) It uses the logic to compare two pieces of data.

5) None of the above

9. Pathways that support communication among the various electronic components on the system board

are called

(1) Business

(2) Network lines

(3) Logic paths

(4) Gateways

5) None of these

10. In a microcomputer system, the CPU is contained on a single chip called the

(1) Semi-conductor

(2) ALU

(3) Microprocessor

(5) None of these

10. In a microcomputer system, the CPU is contained on a single chip called the

(1) Semi-conductor

(2) ALU

(3) Microprocessor

(4) Control Unit

(5) None of these

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11. The piece of hardware that converts your computer's digital signal to an analog signal that can travel over telephone lines is called a

(1) Red wire

(2) Blue cord

(3) Tower

(4) Modem

5) None of these

12. ............is the part of the computer that does the arithmetical calculations.

(1) Memory

(2) OS

(3) CPU

(4) ALU

(5) None of these

13. A... .........can make it easier to play games.

(1) Mouse

(2) Joystick

(3) Keyboard

(4) Pen

(5) None of these

14. Which of the following is used for modulation and demodulation?

(1) Modem

(2) Protocols

(3) Gateway

(4) Multiplexer

(5) None of these

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15. Firewalls are used to protect against

(1) Unauthorized Attacks

(2) Virus Attacks

(3) Data Driven Attacks

(4) Fire Attacks

(5) All of these

16. All of the following are examples of storage devices EXCEPT

(1) hard disk drives

(2) printers

(3) floppy disk drives

(4) CD drives

(5) None of these

17. What does CPU stands for?

(1) Central Processing Unit

(2) Central Process Unit

(3) Central Printing Unit

(4) Central Peripheral Unit

5) None of the above

18. The part of a computer system containing the circuitry that does the adding, subtracting multiplying, dividing and comparing is, called as

(1) Arithmetic Logic Unit

(2) Control

(3) Memory

(4) CPU

(5) None of these

19. ALU stands for

1) Arithmetic Long Unit

(2) Arithmetic and Logical Unit

(3) Abstract Longer Unit

4) Around Logical Units

(5) None of the above

20. Which of the following is not an Input Device?

(1) Mouse

(2) Key Board

(3) Light Pen

4) VDU

(5) None of these

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21. A light-sensitive device that converts drawing, printed text or other image into digital form is

(1) Key Board

(2) Plotter

(3) Scanner

(4) OMR

(5) None of these

22. What are the units used to count the speed for a printer?

(1) CPM

(2) DPI

(3) PPM

(4) BIT

(5) None of these

23. MICR stands for

(1) Magnetic Ink Character Recognition

(2) Magnetic Ink Computer Record

3) Magnetic Industries Corporation Region

(4) Microphone Recording

(5) None of the above

24. are devices used to transmit data over telecommunications lines.

(1) Drives

2) Drive bays

(3) Modems

(4) Platforms

(5) None of these

25. Computer Memory is normally measure in

(1) Kilobytes

(2) Megabytes

(3) Gigabytes

(4) Terabytes

(5) None of these

26. .. is a set of computer programs used on a computer to help perform tasks.

(1) An instruction

(2) Software

(3) Memory

(4) A processor

(5) None of these

27. The metal or plastic case that houses the physical components of a computer together is called the

(1) central processing unit

(2) storage device

(3) motherboard

(4) system unit

(5) None of these

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28. The brains of the computer which executes the instructions, is called the

(1) CPU

(2) RAM

(3) motherboard

(4) system unit

(5) None of these

29. Instructions and data that are about to be processed by the CPU are located in

(1) a CD-ROM

(2) RAM

(3) the hard disk

(4) the motherboard

(5) None of these

30. ...............are devices used to transmit data over telecommunication lines.

(1) Drives

(2) Drive bays

(3) Modems

(4) Platforms

(5) None of these

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31. Which one of the following input device is user programmable?

(1) Dumb terminal

(2) Smart terminal

(3) VDT

(4) Intelligent terminal

(5) None of these

32. The barcode which is used on all types of item is read by a scanning device directly into the comnputer. What is the name of this scanning device?

(1) Laser scanner

(2) Wand

(3) OCR

(4) MICR

(5) None of these

33. A Plastic card similar to a credit card but having some memory and a microprocessor embedded within it is?

(1) Punched paper tape

(2) Chip card

(3) Card punch

(4) Magnetic tape

(5) None of these

33. APlastic card similar to a credit card but having somne memory and a microprocessor embedded within it is?

(1) Punched paper tape

(2) Chip card

3) Card punch

(4) Magnetic tape

(5) None of these

34. How many options does a binary choice offer?

(1) None

(2) One

(3) Two

4) It depends on the amount of memory in the computer

(5) It depends on the speed of computer's processor

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35. Which of the following is a part of the Central Processing Unit?

(1) Printer

(2) Keyboard

(3) Mouse

(4) Arithmetic & Logic unit

(5) None of the above

36. Which of the following printer cannot print graphics?

(1) Ink-jet

(2) Daisy Wheel

(3) Laser

(4) Dot-matrix

(5) None of these

37. Best Quality graphics is produced by

(1) Dot Matix

(2) Laser Printer

(3) Inkjet printer

(4) Plotter

(5) None of these

38. The of a system includes the programs or

instructions.

(1) Hardware

(2) Icon

(4) Software

(3) Information

(5) None of these

39. The tells the computer how to use its components.

(1) Utility

(2) Network

(3) Operating system

(4) Application program

(5) None of these

40. This components is required to process data into information and consists of integrated circuits.

(1) Hard disk

(2) RAM

(3) CPU

(4) ROM

(5) None of these

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41. What is the correct association between a hardware component and a computer function?

(1) Monitor > input

(2) Mouse > input

(3) CPU > storage

4) Hard disk > processing

(5) None of these

42. The sharing of a medium and its path by 2 or more devices is called

(1) Modulation

(2) Encoding

(3) Line discipline

(4) Multiplexing

(5) None of these

43. Which input device cannot be used to work in MS Office?

(1) Scanner

(2) Mouser

(3) Keyboard

4) Joystick

(5) Light pen

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44. This part of operating system manages the essential peripherals, such as the keyboard, screen, disk drives and parallel and serial ports

(1) basic input/output

(2) secondary system

(3) peripheral system

4) marginal system

(5) None of these

45. A disadvantage of the laser printer is

1) It is quieter than an impact printer

(2) It is very slow

(3) The output is of a lower quality

4) All of the above

(5) None of the above

46. What is meant by a dedicated computer?

(1) Which is used by one person only

(2) Which is assigned one and only one task

(3) Which uses one kind of software

(4) Which is meant for application software

(5) None of the above

46. What is meant by a dedicated computer?

(1) Which is used by one person only

(2) Which is assigned one and only one task

3) Which uses one kind of software

(4) Which is meant for application software

(5) None of the above

47. As compared to diskettes, the hard disks are

(1) More expensive

(2) More portable

3) Less rigid

(4) Slowly accessed

(5) None of these

48. The secondary storage devices can only store data but they cannot perform

(1) Arithmetic Operation

(2) Logic Operation

(3) Fetch Operations

(4 Either of these

(5) None of these

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49. VDU is also called

(1) Screen

(2) Monitor

(3) Both (1) and (2)

(4) Printer

(5) None of these

50. Test the validity of the statements.

(1) 1 KB =1024 BYTES

(2) 1 MB = 100 BYTEs

(3) 1 MB =100 KILOBYTES

(4) 1 KB = 1000 BYTES

(5) None of the above

51. In the MICR Code Line structure what do represent the first three digits of Sort field number consisting of nine digits?

(1) city

(2) Bank

(3) Branch

(4) Account type

(5) None of these

52. Firewalls used to protect against

(1) unauthorized Attacks

(2) virus Attacks

(3) Data Driven Attacks

(4) Fire Attacks

(5) None of these

53. Hardware includes

(1) all devices used to input data into a computer

(2) sets of instructions that a computer runs or executes

(3) the computer and all the devices connected to it that are used to input and output data

(4) all devices involved in processing information including the central processing unit, memory and

storage

(5) None of the above

54. Any letter, number, or symbol found on the keyboard that you can type into the computer

(1) outpuut

(2)Character

(3) type

(4) print

5) font

55. The primary device that a computer uses to store information .

(1) monitor

(2) memory

(3) disk

(4) hard drive

(5) None of these

56. ...........................A iS a device that not only provides surge protection, but also furnishes your computer with battery backup power during a power outage.

(1) surge strip

(2) USB

(3) UPS

(4) battery strip

(5) None of these

57. The term designates equipment that might be added to a computer system to enhance, its

functionality.

(1) digital device

(2) system add-on

(3) disk pack

(4) peripheral device

(5) None of these

58, Programs such as Mozilla Firefox that serve as navigable windows into the Web are called

(1) Hypertext

(2) Networks

(3) Internet

(4) Web browsers

(5) None of these

58. Programs such as Mozilla Firefox that serve asSnavigable windows into the Web are called

(1) Hypertext

(2) Networks

(3) Internet

(4) Web browsers

(5) None of these

59. The term that we use to describe physical components of the system

(1) Hardware

(2) Input

(3) Software

(4) Output

(5) None of these

60. Which of the following is used to indicate the location

on the computer monitor?

(1) Mouse

(2) Cursor

(3) Both (1) and (2)

(4) Icon

(5) None of these

61. CPU capacity can be measured in

(1) BPS

(2) MIPS

(3) MHz

(4) MPI

(5) None of these

62. MIPS stands for

(1) Million Instructions Per Second

(2) Million Instructions Per Season

(3) Monthly Instructions Per Second

(4) Million Inputs Per Second

(5) None of the above

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63. Modem speeds are measured in

(1) BPS

(2) KBPS

(3) MBPS

4) MIPS

(5) None of these

64. BPS stands for

(1) Bits Per Second

(2) Bits Per Season

(3) Bytes Per Second

(4) Bits Per System

(5) None of these

65. In processing cheques which of the following I/O techniques have banks traditionally followed?

(1) OCR

(2) MICR

(3) Barcode

(4) VRT

(5) None of these

66. What is object of UPS?

(1) Using for storage

(2) To increase the speed of a computer

(3) Provides backup power

(4) All of the above

(5) None of the above

67. QWERTY is used with reference to

(1) Monitor
(2) Printer

(3) Keyboard

(4) Mouse

(5) None of the above

68. What are the two types of output devices?

(1) Monitor and printer

(2) Storage disks (floppy, CD)

(3) Keyboard and mouse

(4) Windows 2000, Windows NT

(5) None of the above

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69. Every component of your computer is either a

(1) Hardware or software

(2) Software or CPU/RAM

(3) Application software or system software

(4) Input devices or output devices

(5) None of the above

70. The .. performs simple mathematics for the CPU.

(1) ALU

(2) DIMM

(3) BUS

(4) Register

(5) None of these

71. . 1S when the more power-hungry components, Slcn as the monitor and the hard drive, are put in idle.

(1) Hibernation

(2) Power down

(3) Standby mode

(4 The shutdown procedure

(5) None of these

72. Hard disk drives are considered... storage.

(1) flash

(2) non-volatile

(3) temporary

(4) non-permanent

(5) None of these

73. A collection of programs that controls how your computer system runs and processes information is

called

(1) Operating system

(2) Computer

(3) Office

(4) Compiler

(5) Interpreter

74. How many options does a binary choice offer?

(1) None

(2) One

(3) Two

(4) It depends on the amount of memory in the computer

(5) It depends on the speed of the computer's processor

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75. The brains of the computer which executes the instructions, is called the

1) CPU

(2) RAM

(3) Motherboard

(4) System Unit

(5) None of these

76. The memory of a computer is commonly expressed i terms of Kilobytes or Megabytes. A byte is made up of

(1) eight decimal digits

(2) eight binary digits

(3) two binary digits

(4) two decimal digits

(5) none of these

77. In the binary language each letter of the alphabet, each number and each special character is made up of a unique combination of

(1) eight bytes

(2) eight kilobytes

(3) eight characters

(4) eight bits

(5) None of these

78. The Central Processing Unit (CPU)

(1) contains the electronic circuits that cause processing to occur

(2) make the information resulting from processing available for use

(3) allows data, programs, commands, and user responses to be entered into a computer

(4) consists of electronic components that store data

(5) None of the above

79. A byte can hold one.....of data.

(1) bit

(2) binary digit

(3) character

(4) kilobyte

(5) None of these

80. A beam of light usęd to record and retrieve data on optical disks is known as

(1) polarized light

(2) unpolarized concentric light

(3) laser

(4) coloured light

(5) None of the above

ANSWERS

1 (1 )	2 (2)	3 (5)	4 (1)	5 (4)	6 (1)	7 (2)	8 (2)	9 (1)	10 (3)
11(4)	12(4)	13(2)	14(1)	15(1)	16(2)	17(1)	18(4)	19(2)	20(4)
21(4)	22(2)	23(1)	24(3)	25(2)	26(2)	27(4)	28(1)	29(2)	30(3)
31(4)	32(1)	33(2)	34(3)	35(2)	36(2)	37(4)	38(4)	39(3)	40(3)
41(2)	42(4)	43(4)	44(1)	45(5)	46(2)	47(1)	48(4)	49(3)	50(1)
51(1)	52(1)	53(4)	54(2)	55(4)	56(3)	57(4)	58(4)	59(1)	60(2)
61(3)	62(1)	63(3)	64(1)	65(1)	66(2)	67(3)	68(2)	69(1)	70(1)
71(1)	72(2)	73(1)	74(3)	75(1)	76(2)	77(4)	78(1)	79(3)	80(3)

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what is computer/कम्प्यूटर क्या है

कम्प्यूटर क्या है? कंप्यूटर एक उपकरण है जो इनपुट को स्वीकार करता है, इसे संसाधित करता है, यदि आवश्यक हो तो डेटा संग्रहीत करता है और उपयोगकर्ता की आवश्यकता के अनुसार वांछित आउटपुट देता है। कंप्यूटर शब्द का उपयोग इलेक्ट्रॉनिक और इलेक्ट्रोमैकेनिकल (पार्ट इलेक्ट्रॉनिक और पार्ट मैकेनिकल) घटकों के संयोजन से बने डिवाइस का वर्णन करने के लिए किया जाता है। अपने आप में, एक कंप्यूटर में कोई खुफिया नहीं है और इसे हार्डवेयर के रूप में संदर्भित किया जाता है। सामान्य तौर पर कंप्यूटर निम्नलिखित कार्य करता है। 1. उपयोगकर्ता आपूर्ति डेटा और निर्देशों को स्वीकार करें। 2. दिए गए निर्देश के अनुसार उच्च गति पर दी गई बड़ी मात्रा में जानकारी संग्रहीत करता है। 3. दिए गए निर्देश के अनुसार उच्च गति पर दी गई जानकारी को संसाधित करें। 4. उपयोगकर्ता विनिर्देशों के अनुसार परिणाम आउटपुट करें 5. बहुत तेज दर पर केबल के माध्यम से डाटा, इमेज, साउंड और ग्राफिक्स ट्रांसफर करता है दूसरे शब्दों में, हम कंप्यूटर को आपूर्ति करते हैं; संसाधित होने के लिए डेटा और निर्देश डेटा के साथ प्रक्रिया। कंप्यूटर डेटा और न...