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Computer architecture - Quiz
Contributed by: Stokes
  • 1. Computer architecture refers to the design and organization of the components of a computer system. This includes the structure of the central processing unit (CPU), memory, input/output devices, and other hardware components. It also encompasses the instruction set architecture, which defines the operations that a CPU can perform and the formats in which they are encoded. Computer architecture is essential for understanding how computers work and how to optimize their performance and efficiency.

    What does CPU stand for?
A) Control Processing Unit
B) Central Processing Unit
C) Computer Processing Unit
D) Central Power Unit
  • 2. Which component is responsible for storing temporary data that can be accessed quickly by the CPU?
A) Registers
B) Hard drive
C) RAM
D) Cache memory
  • 3. What is the purpose of the ALU in a CPU?
A) Store program instructions
B) Manage input/output operations
C) Maintain system clock
D) Perform arithmetic and logical operations
  • 4. What does the term 'clock speed' refer to in a computer processor?
A) Number of cores
B) The number of cycles per second
C) Amount of cache memory
D) Size of the RAM
  • 5. Which of the following describes the Harvard architecture?
A) Combines data and instruction memory
B) Single-core processor
C) No cache memory
D) Separate data and instruction memory
  • 6. What does the acronym GPU stand for in computer architecture?
A) General Processing Unit
B) Graphics Processing Unit
C) Graphical Performance Unit
D) Gaming Processing Unit
  • 7. Which type of memory is non-volatile and retains data even when the power is turned off?
A) Cache memory
B) RAM
C) Registers
D) ROM
  • 8. Which component is responsible for connecting a computer to a network and enabling communication with other devices?
A) Audio Jack
B) HDMI Port
C) USB Port
D) Network Interface Card (NIC)
  • 9. What is the purpose of the MBR (Memory Buffer Register) in a CPU?
A) Temporary storage of data being transferred to or from memory
B) Manages the interaction with storage devices
C) Stores the current instruction being executed
D) Performs arithmetic operations
  • 10. In computer architecture, what is the purpose of the I/O controller?
A) Manage input and output devices
B) Execute arithmetic calculations
C) Control the flow of data within the CPU
D) Transfer data between components
  • 11. What is the purpose of the CU (Control Unit) in a CPU?
A) Displays output on the monitor
B) Performs arithmetic calculations
C) Manages storage devices
D) Directs operations of the CPU components
  • 12. In computer architecture, what is the purpose of the system bus?
A) Store program instructions
B) Display graphics
C) Perform arithmetic calculations
D) Transfer data between components
  • 13. What term is used to describe the capability of a computer system to be upgraded with more powerful hardware components?
A) Portability
B) Interoperability
C) Scalability
D) Reliability
  • 14. What does the term 'bit width' refer to in computer architecture?
A) Number of bits processed in a single instruction
B) Amount of RAM
C) Size of the cache memory
D) Capacity of the hard drive
  • 15. What is the purpose of the PC (Program Counter) in a CPU?
A) Holds the memory address of the next instruction to be executed
B) Stores the result of arithmetic operations
C) Buffers incoming data
D) Manages temporary data storage
  • 16. Which component is responsible for storing data permanently in a computer system?
A) Hard Drive
B) Motherboard
C) CPU
D) RAM
  • 17. Which of the following is a storage medium that uses magnetic fields to store data?
A) Solid State Drive
B) Hard Disk Drive
C) USB Flash Drive
D) CD-ROM
  • 18. Which component is responsible for converting digital data into analog signals for transmission?
A) Router
B) Switch
C) Modem
D) Firewall
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