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Computer Science Principles Unit 2 Review
clbougher
3 months ago
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  • Slide 1
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    Computer Science Principles Unit 2 Review

    Body text
  • Question 2
    60 seconds
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    Q.

    A group of connected computers that can send or receive data is ________.

    answer
    network
    alternatives
    computer network
  • Question 3
    60 seconds
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    Q.

    A machine that can run a program is a _______.

    answer
    device
    alternatives
    computer device
  • Question 4
    60 seconds
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    Q.

    A sequence of direct connections is a ________.

    answer
    path
  • Question 5
    60 seconds
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    Q.

    A group of computers working together for a common purpose is a _______.

    answer
    system
    alternatives
    computer system
  • Slide 6
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    Network

    • fault tolerant = lines can be cut but network still works (it can tolerate the faults being broken)

    • redundancy allows tolerance

  • Question 7
    60 seconds
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    Q.

    How many paths (lines) connect A to B?

    answer choices

    1

    2

    3

    4

    5

  • Question 8
    30 seconds
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    Q.

    Device C is attempting to send data over the Internet to Device G. Which of the following is true of how the data will travel through the network?

    answer choices

    data always takes the shortest path

    data will not travel through E

    any path is possible

  • Slide 9
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    Internet Protocols

    open and used by all devices connected to the network - SCALES FOR MORE DEVICES

  • Question 10
    30 seconds
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    Q.

    Packet metadata is used to route and reassemble information travelling through the Internet.

    answer choices

    false

    true

  • Question 11
    30 seconds
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    Q.

    Which of the following is true about how the packets will arrive at a computer?

    answer choices

    sent/received in same order

    all reach computer or none reach it

    may arrive out of order

    packets out of order are sent back to server

  • Question 12
    30 seconds
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    Q.

    _______ provide a unique number for identifying devices that send and receive information on the Internet.

    answer choices

    TCP/IP

    IP addresses

    metadata

    packets

  • Question 13
    30 seconds
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    Q.

    What does this image portray?

    answer choices

    IP addresses

    meta data

    packets

    HTTP

  • Question 14
    30 seconds
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    Q.

    Which of the following Internet protocols is used to request and send pages and files on the World Wide Web?

    answer choices

    Transmission Control Protocol (TCP)

    Internet Protocol (IP)

    User Datagram Protocol (UDP)

    HyperText Transfer Protocol (HTTP)

  • Slide 15
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    Digital Divide

    • limiting access to the internet/info

    • high costs of installation/devices

    • non-standard protocols

  • Question 16
    30 seconds
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    Q.

    What is NOT an outcome of the digital divide?

    answer choices

    all political groups can agree on digital regulations

    all people will have greater access/influence

    racial/enthnic groups have unequal access to technology

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