CBSE UGC-NET Information Technology (Part 13 of 14)

  1. What was the ftrst Network that was made available

    1. DEeNe 1980

    2. Novell Netwarc

    3. IBM Token Ring 1985

    4. IBM PC Network 1981

    Answer: a

  2. What does the acronym (ISDN) stand for?

    1. Indian Standard Digital Network

    2. Integrated Services Digital Network

    3. Intelligent Services Digital Network

    4. Integrated Se rvices Data Network

    Answer: b

  3. Internet is

    1. network run by the US Government

    2. a network run by the United Nations Organisation

    3. a loose network not owned by anybody but used by all unive rs ities and governments around the globe

    4. a commercial information service run by Ziff Davis Co. in US

    Answer: c

  4. What is the name of the device that connects two computers by means of a telephone line?

    1. tape

    2. modem

    3. bus

    4. cable

    Answer: b

  5. Working of the WAN generally involves

    1. telephone lines

    2. microwaves

    3. satellites

    4. all of the above

    5. noneof tbeabove

    Answer: d

  6. Video is a combination of

    1. television

    2. communication

    3. axePuter

    4. all of the above

    5. none of the above

    Answer: d

  7. Communication between computers is almost always

    1. serial

    2. parallel

    3. series parallel

    4. direct

    Answer: a

  8. Error detection at a data link level is achieved by?

    1. Bit stuffing

    2. Hamming codes

    3. Cyclic redundancy code

    4. Equalization

    5. none of the above

    Answer: c

  9. The hnking of computers with a communication system is called

    1. networking

    2. pairing

    3. interfacing

    4. assembling

    Answer: a

  10. Which of the foUowing items is not used in Local Area Networks (LANs)?

    1. Computer

    2. Mcxlem

    3. Printer

    4. Cable

    Answer: b