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Year 9 Homework 4 - CPU

Quiz by KS3 IT

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20 questions
Show answers
  • Q1
    What is the main purpose of an IP address in a network?
    To uniquely identify a device on a network
    To encrypt data
    To increase internet speed
    To connect devices physically
    30s
  • Q2
    What type of network connects computers within a limited area, like a school or office?
    Wide Area Network (WAN)
    Metropolitan Area Network (MAN)
    Global Area Network (GAN)
    Local Area Network (LAN)
    30s
  • Q3
    What does 'IP' stand for in networking?
    Internal Path
    Index Position
    Internet Protocol
    Interface Point
    30s
  • Q4
    Which device is used to connect multiple computers in a local area network?
    Hub
    Modem
    Switch
    Router
    30s
  • Q5
    What is the primary function of a router?
    To provide power
    To store data
    To connect different networks
    To amplify signals
    30s
  • Q6
    What does Wi-Fi allow devices to do?
    Charge devices through the air
    Connect to a network wirelessly
    Provide GPS navigation
    Run software applications
    30s
  • Q7
    In App Lab, which component is used to display text on the screen?
    Input
    Button
    Image
    Label
    30s
  • Q8
    What function is used in App Lab to create an event listener for a button click?
    triggerEvent
    clickFunction
    onEvent
    addEventListener
    30s
  • Q9
    In app lab, which of the following is used to store information that can be changed during a program's execution?
    Loop
    Variable
    Function
    String
    30s
  • Q10
    Which of the following correctly declares a variable in JavaScript within app lab?
    let = myVariable;
    variable myVariable;
    var myVariable;
    myVariable var;
    30s
  • Q11
    What is the primary function of a CPU in a computer?
    To store data
    To display graphics
    To process instructions
    To connect to the internet
    30s
  • Q12
    Which component of the CPU performs arithmetic and logic operations?
    RAM
    GPU
    ALU
    ROM
    30s
  • Q13
    What does the term 'clock speed' refer to in CPU performance?
    The type of cooling system
    The amount of cache memory
    The number of cycles per second
    The size of the CPU
    30s
  • Q14
    What is the purpose of the CPU's ALU (Arithmetic Logic Unit)?
    Transmitting signals
    Cooling the processor
    Performing calculations and logical operations
    Storing data permanently
    30s
  • Q15
    What component of the CPU interprets instructions and directs the operation of the processor?
    Control Unit
    ALU
    Cache
    Registers
    30s

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