CBSE UGC-NET Information Technology (Part 14 of 14)

  1. During networking, the processor of the CPU asking each terminal whether it wants to send a message is caUed

    1. querying

    2. sharing

    3. communicating

    4. polling

    Answer: d

  2. Who invented the modem?

    1. Wang Laboratories Ltd

    2. At & T Information System, USA

    3. Apple Computers Inc

    4. Digital Equipment Corpn.

    Answer: b

  3. All the parts in a computer talk to each other by sending

    1. digital signal

    2. analog signals

    3. smoothly varying signal waves

    4. both Band C

    5. none of the above

    Answer: a

  4. What is going ‘on-line’

    1. Buying a MODEM and connecting it to your computer

    2. Getting 8 PTI or REUTERS news wire connectton

    3. Connecting your computer to a LAN

    4. Getting access to the various commercial and other information services over the dial-up lines or I-Net connection

    Answer: d

  5. Which of the following is an important characteristic of LAN?

    1. application independent interfaces

    2. unlimited expansion

    3. low cost access for bandwidth channels

    4. none of the above

    Answer: a