Computer Networking and Data Communication (CND)

Multiple Choice Questions

1   Which of the following is not a hardware?
    (A)   Network Switch
    (B)   Cisco Router
    (C)   Assembler
    (D)   Printer
[showhide type=”button7c1″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
2   CPU of computer is powered by
    (A)   DC battery
    (B)   AC power supply
    (C)   SMPS
    (D)   Variable DC voltage
[showhide type=”button7c2″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
3   Which of the following is known as the brain of a computer?
    (A)   Monitor
    (B)   CPU
    (C)   Keyboard
    (D)   ROM
[showhide type=”button7c3″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
4   What is the full form of IP?
    (A)   Internet protocol
    (B)   Immediate protocol
    (C)   Internet processing
    (D)   Immediate processing
[showhide type=”button7c4″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]
5   Which of the following is an output device?
    (A)   Scanner
    (B)   Joystick
    (C)   Speaker
    (D)   Touchpad
[showhide type=”button7c5″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
6   LCD stands for?
    (A)   Liquid crystal Display
    (B)   Laser Crystal Display
    (C)   Light Crystal Display
    (D)   None of these
[showhide type=”button7c6″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]
7   Which of the following is used between CPU and RAM to speed up the processing power of a CPU?
    (A)   Virtual Memory
    (B)   Cache Memory
    (C)   DRAM
    (D)   Flash Memory
[showhide type=”button7c7″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
8   Which of the following is an input device?
    (A)   Printer
    (B)   Display
    (C)   Speaker
    (D)   Scanner
[showhide type=”button7c8″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: D [/showhide]
9   ___________Printer is cheapest in terms of price and operating cost
    (A)   Inkjet Printer
    (B)   Thermal Printer
    (C)   LASER Printer
    (D)   Dot Matrix Printer.
[showhide type=”button7c9″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: D [/showhide]
10   Long form of SMPS is
    (A)   Switch Mode Power Supply
    (B)   Switch Matrix power source
    (C)   Source Mode Power Supply
    (D)   Service Mode Power Supply
[showhide type=”button7c10″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]
11   Static UPS requires __________
    (A)   only rectifier
    (B)   only inverter
    (C)   both inverter and rectifier
    (D)   none of the mentioned
[showhide type=”button7c11″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
12   Codes consisting of bars or lines of varying widths that a computer can read is –
    (A)   ASCII Code
    (B)   EBDIC Code
    (C)   BAR Code
    (D)   ISCII Code
[showhide type=”button7c12″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
13   What is the full form of USB?
    (A)   Universal Secured Box
    (B)   Universal Serial Bus
    (C)   Universal Security Block
    (D)   None of the above
[showhide type=”button7c13″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
14   The ________ of a system includes the program or instructions
    (A)   software
    (B)   hardware
    (C)   icon
    (D)   Information
[showhide type=”button7c14″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]
15   Primary difference between virus and worm is
    (A)   Worms harmful whereas virus not
    (B)   Worms replicate itself whereas virus not
    (C)   Virus replicate itself worms not
    (D)   Virus harmful whereas worms not
[showhide type=”button7c15″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
16   Which of the following can be used for long distance communication?
    (A)   I2C
    (B)   Parallel port
    (C)   SPI
    (D)   RS232
[showhide type=”button7c16″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: D [/showhide]
17   Which of the following is a serial protocol?
    (A)   SPI
    (B)   I2C
    (C)   USB
    (D)   All the above
[showhide type=”button7c17″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: D [/showhide]
18   Which peripheral port provides the FASTEST throughput to laser printers?
    (A)   SCSI
    (B)   RS-232
    (C)   Parallel
    (D)   Serial
[showhide type=”button7c18″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
19   From what location are the 1st computer instructions available on boot up?
    (A)   ROM BIOS
    (B)   CPU
    (C)   Boot loader
    (D)   CONFIG.SYS
[showhide type=”button7c19″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]
20   RS 232 standard applies to
    (A)   Serial Port
    (B)   Parallel Port
    (C)   Game Port
    (D)   Network
[showhide type=”button7c20″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]
21   How can you totally protect a PC from damage during an electrical storm?
    (A)   Disconnect the AC power cable
    (B)   Disconnect all external cables and power cords
    (C)   Use a surge protector
    (D)   Turn off the AC power
[showhide type=”button7c21″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: B [/showhide]
22   _________ is the largest computer.
    (A)   Mini Computer
    (B)   Micro Computer
    (C)   Mainframe Computer
    (D)   Super Computer
[showhide type=”button7c22″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: C [/showhide]
23   OCR stands for____________?
    (A)   Output Character Recorder
    (B)   Output Character Recognition
    (C)   Optical Character Recorder
    (D)   Optical Character Recognition
[showhide type=”button7c23″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: D [/showhide]
24   In peer-to-peer networking:
    (A)   There is only one server and many clients
    (B)   There is only one client and many servers
    (C)   Every computer is capable of playing the role of server
    (D)   Every computer is capable of playing the role of client, server or both at the same time
[showhide type=”button7c24″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: D [/showhide]
25   Which of the following transport layer protocols is used to support electronic mail?
    (A)   SMTP
    (B)   IP
    (C)   TCP
    (D)   UDP
[showhide type=”button7c25″ more_text=”Show Answer” less_text=”Hide Answer”] Answer: Option: A [/showhide]

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