Information Technology (Pages :82)

MCQs on Information Technology and Cyber Laws for PSC, SSC, Banking, Railway exams

  • 2431 The technique of temporarily delaying outgoing outgoing acknowledgements so that they can behooked onto the next outgoing data frame is called?

    (A) piggybacking
    (B) cyclic redundancy check
    (C) fletcher’s checksum
    (D) none of these
  • 2432 Which one of the following is a transport layer protocol used in internet?

    (A) TCP
    (B) UDP
    (C) both (A) and (B)
    (D) none of these
  • 2433 User datagram protocol is called connectionless because?

    (A) all UDP packets are treated independently bytransport layer
    (B) it sends data as a stream of related packets
    (C) both (A) and (B)
    (D) none of these
  • 2434 Transmission control protocol is?

    (A) connection oriented protocol
    (B) uses a three way handshake to establish aconnection
    (C) recievs data from application as a singlestream
    (D) all of these
  • 2435 An endpoint of an inter-process communication flow across a computer network is called?

    (A) socket
    (B) pipe
    (C) port
    (D) none of these
  • 2436 Socket-style API for windows is called?

    (A) wsock
    (B) winsock
    (C) wins
    (D) none of these
  • 2437 A _____ is a TCP name for a transport service access point.?

    (A) port
    (B) pipe
    (C) node
    (D) none of these
  • 2438 Transport layer protocols deals with?

    (A) application to application communication
    (B) process to process communication
    (C) node to node communication
    (D) all of these
  • 2439 Which one of the following is a transport layer protocol?

    (A) stream control transmission protocol
    (B) internet control message protocol
    (C) neighbor discovery protocol
    (D) dynamic host configuration protocol
  • 2440 Which part of a computer displays the work done?

    (A) RAM
    (B) Printer
    (C) Monitor
    (D) ROM
  • 2441 Codes consisting of bars or lines of varying widths or lenghts that are computer readable areknown as?

    (A) An ASCII code
    (B) A magnetic tape
    (C) An OCR scanner
    (D) A bar code
  • 2442 Whenever we have to give space between the two words while typing on a PC we have to press akey known as?

    (A) Backspace
    (B) Shift
    (C) Escape
    (D) Space Bar
  • 2443 The .. key and the key can be used in combination with other keysto perform shortcuts and special tasks.?

    (A) Control; Alt
    (B) Function; Toggle
    (C) Delete; Insert
    (D) Caps lock; Num lock
  • 2444 Which type of device is the computer monitor?

    (A) Input
    (B) Output
    (C) Processing
    (D) Software
  • 2445 Which of these keys is NOT on the number keypad?

    (A) Ctrl
    (B) Del
    (C) Enter
    (D) Num lock
  • 2446 The primary output device for computers is a ..... .?

    (A) Video monitor
    (B) Printer
    (C) Keyboard
    (D) Mouse
  • 2447 ...... provides the means to move the pointer on the screen and give information tothe computer by clicking its buttons.?

    (A) Scanner
    (B) Mouse
    (C) Keyboard
    (D) Program
  • 2448 Soft copy refers to ..?

    (A) Printed output
    (B) Music sounds
    (C) Screen output
    (D) Digitizing
  • 2449 Why is the Caps lock key referred to as a toggle key?

    (A) Because its function goes back and forth every time it is pressed
    (B) Because it cannot be used for enteringnumbers
    (C) Because it cannot be used to delete
    (D) Because it cannot be used to insert
  • 2450 One puts information into the computer by pressing this key?

    (A) Caps lock
    (B) Tab
    (C) Enter
    (D) Esc
  • 2451 The key that must be pressed each time a new command or information is entered?

    (A) Esc
    (B) Return / Enter
    (C) Delete
    (D) Home
  • 2452 To select text by shadding as you drag the mouse arrow over the text is referred to as... .?

    (A) Clip art
    (B) Highlight
    (C) Fetch
    (D) Decode
  • 2453 A button that makes characters either upper or lower case and numbers to symbols?

    (A) Monitor
    (B) Shift key
    (C) Icon
    (D) Mouse

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