Information Technology (Pages :82)

  • 2401 A ..... can make it easier to play games.?

    (A) Mouse
    (B) Joystick
    (C) Keyboard
    (D) Pen
  • 2402 In MICR, C stands for .....?

    (A) Code
    (B) Colour
    (C) Computer
    (D) Character
  • 2403 Soft copy is an intangible output, so then what is a hard copy?

    (A) The physical parts of a computer
    (B) The printed parts of a computer
    (C) The printed output
    (D) The physical output device
  • 2404 A printer is this kind of device?

    (A) Input
    (B) Word Processing
    (C) Processing
    (D) Output
  • 2405 The most common method of entering text and numerical data into a computer system is throughthe use of a?

    (A) Keyboard
    (B) Scanner
    (C) Printer
    (D) None of these
  • 2406 A keyboard is this kind of device ....... .?

    (A) Black
    (B) Input
    (C) Output
    (D) Word Processing
  • 2407 Which one of the following extends a private network across public networks?

    (A) local area network
    (B) virtual private network
    (C) enterprise private network
    (D) storage area network
  • 2408 Network congestion occurs?

    (A) in case of traffic overloading
    (B) when a system terminates
    (C) when connection between two nodesterminates
    (D) none of the mentioned
  • 2409 A list of protocols used by a system, one protocol per layer, is called?

    (A) protocol architecture
    (B) protocol stack
    (C) protocol suit
    (D) none of these
  • 2410 A _____ is a device that forwards packets between networks by processing the routinginformation included in the packet.?

    (A) bridge
    (B) firewall
    (C) router
    (D) none of these
  • 2411 Bluetooth is an example of?

    (A) personal area network
    (B) local area network
    (C) virtual private network
    (D) none of the mentioned
  • 2412 Communication channel is shared by all the machines on the network in?

    (A) broadcast network
    (B) unicast network
    (C) multicast network
    (D) none of the mentioned
  • 2413 In computer network nodes are?

    (A) the computer that originates the data
    (B) the computer that routes the data
    (C) the computer that terminates the data
    (D) all of the above
  • 2414 Which one of the following computer network is built on the top of another network?

    (A) prior network
    (B) chief network
    (C) prime network
    (D) overlay network
  • 2415 Two devices are in network if?

    (A) a process is running on both devices
    (B) a process in one device is able to exchangeinformation with a process in another device
    (C) PIDs of the processes running of differentdevices are same
    (D) none of these
  • 2416 When collection of various computers seems a single coherent system to its client, then it iscalled?

    (A) computer network
    (B) distributed system
    (C) both (A) and (B)
    (D) none of these
  • 2417 Wireless transmission can be done via?

    (A) radio waves
    (B) microwaves
    (C) infrared
    (D) all of the above
  • 2418 A single channel is shared by multiple signals by?

    (A) analog modulation
    (B) digital modulation
    (C) multiplexing
    (D) none of these
  • 2419 The physical layer translates logical communication requests from the ______ into hardwarespecific operations.?

    (A) data link layer
    (B) network layer
    (C) trasnport layer
    (D) application layer
  • 2420 The physical layer is responsible for?

    (A) line coding
    (B) channel coding
    (C) modulation
    (D) all of these
  • 2421 In asynchronous serial communication the physical layer provides?

    (A) start and stop signalling
    (B) flow control
    (C) both (A) and (B)
    (D) none of these
  • 2422 The portion of physical layer that interfaces with the media access control sublayer is called?

    (A) physical signalling sublayer
    (B) physical data sublayer
    (C) physical address sublayer
    (D) none of these
  • 2423 Bits can be send over guided and unguided media as analog signal by?

    (A) digital modulation
    (B) amplitude modulation
    (C) frequency modulation
    (D) phase modulation
  • 2424 Which transmission media has the highest transmission speed in a network?

    (A) coaxial cable
    (B) twisted pair cable
    (C) optical fiber
    (D) electrical cable
  • 2425 The physical layer concerns with?

    (A) bit-by-bit delivery
    (B) process to process delivery
    (C) application to application delivery
    (D) none of these
  • 2426 The data link layer takes the packets from _____ and encapsulates them into frames fortransmission.?

    (A) network layer
    (B) physical layer
    (C) transport layer
    (D) application layer
  • 2427 Header of a frame generally contains?

    (A) synchronization bytes
    (B) addresses
    (C) frame identifier
    (D) all of these
  • 2428 When 2 or more bits in a data unit has been changed during the transmission, the error is called?

    (A) random error
    (B) burst error
    (C) inverted error
    (D) none of these
  • 2429 CRC stands for?

    (A) cyclic redundancy check
    (B) code repeat check
    (C) code redundancy check
    (D) cyclic repeat check
  • 2430 Which one of the following is a data link protocol?

    (A) ethernet
    (B) point to point protocol
    (C) HDLC
    (D) all of these

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