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OCR A Level System Architecture

Quiz by Gary Boylan

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18 questions
Show answers
  • Q1
    What is the purpose of the data bus in a computer system?
    To perform logical operations on data
    To provide power to the computer
    To cool down the internal components
    To transfer data between the CPU and other components
    30s
  • Q2
    What is the role of the GPU (Graphics Processing Unit) in a computer system?
    To manage memory allocation
    To perform arithmetic calculations
    To control input/output devices
    To handle graphical computations and render images for display
    30s
  • Q3
    What is the purpose of a system bus in a computer system?
    To display graphics on the screen
    To cool down the internal components
    To provide power to the CPU
    To transfer data and instructions between components
    30s
  • Q4
    What is the purpose of the BIOS (Basic Input/Output System) in a computer system?
    To control network connections
    To initialize hardware components and boot the operating system
    To perform mathematical calculations
    To store user files and applications
    30s
  • Q5
    What is the purpose of the system clock in a computer system?
    To provide power to the computer
    To control the display resolution
    To synchronize and coordinate the operations of the CPU
    To store data permanently
    30s
  • Q6
    What is the purpose of the cache memory in a computer system?
    To manage input/output devices
    To store frequently accessed data for quick retrieval by the CPU
    To display images on the screen
    To perform arithmetic calculations
    30s
  • Q7
    What is the purpose of the Arithmetic Logic Unit (ALU) in a CPU?
    To manage memory allocation
    To store instructions temporarily
    To control input/output devices
    To perform arithmetic and logical operations on data
    30s
  • Q8
    Which component is responsible for storing instructions and data temporarily in a computer system?
    SSD (Solid State Drive)
    RAM (Random Access Memory)
    CPU (Central Processing Unit)
    GPU (Graphics Processing Unit)
    30s
  • Q9
    Which of the following is an example of a system bus in a computer system?
    Hard drive
    USB port
    Address bus
    Graphics card
    30s
  • Q10
    What is the purpose of the control unit in a CPU?
    To display graphics on the screen
    To manage and coordinate the operations of the CPU
    To perform arithmetic calculations
    To store data temporarily
    30s
  • Q11
    Which type of memory is directly accessed by the CPU in a Von Neumann architecture?
    Cache Memory
    RAM (Random Access Memory)
    Virtual Memory
    ROM (Read-Only Memory)
    30s
  • Q12
    What does the ALU (Arithmetic Logic Unit) do in a computer system?
    Handles input/output operations
    Manages memory allocation
    Decodes instruction set architecture
    Performs arithmetic and logic operations on data
    30s
  • Q13
    What is the role of the Control Unit in a computer system?
    Manages the operations of the CPU and coordinates with other hardware components
    Stores data for later retrieval
    Performs mathematical calculations
    Handles graphical display processing
    30s
  • Q14
    What is the purpose of the Von Neumann architecture in computer systems?
    To minimize power consumption
    To allow instructions and data to be stored in the same memory unit
    To ensure high-speed processing of graphics
    To enable wireless connectivity
    30s
  • Q15
    What is the function of the MAR (Memory Address Register) in a computer system?
    Stores the results of logical operations
    Performs arithmetic computations
    Manages virtual memory allocation
    Holds the address in memory of the data to be accessed
    30s

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