Computer Hardware (GCSE Level)

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Across
  1. 2. The amount of data a storage device can hold.
  2. 4. Term used to describe non-volatile storage used to store data long term, such as hard drives and SSDs.
  3. 6. Storage technology with no moving parts that uses flash memory, e.g. SSDs and USB drives. (5-5)
  4. 7. Term used to describe a CPU whith two processsing units. (4-4)
  5. 12. Very small, very fast storage locations inside the CPU used to hold data and instructions currently in use.
  6. 13. Small, high-speed memory that stores frequently used data and instructions close to the CPU.
  7. 15. A base-16 number system using digits 0–9 and letters A–F.
  8. 18. Non-volatile memory that stores permanent instructions needed to boot the computer.
  9. 20. A base-2 number system using only 0 and 1.
  10. 21. A component of the CPU that performs arithmetic calculations and logical operations.
  11. 22. Volatile memory that stores data and programs currently in use.
Down
  1. 1. Measurement unit to describe the clock speed of a CPU.
  2. 3. The part of the CPU that controls the flow of data and instructions within the computer. (7-5)
  3. 5. The repeated process by which the CPU fetches an instruction from memory, decodes it, and executes it. (3-5)
  4. 8. Storage technology that uses magnetism to store data, e.g. hard disk drives.
  5. 9. The number of instructions a CPU can attempt per second, measured in hertz (Hz). (5-5)
  6. 10. A portion of secondary storage used as if it were RAM when physical RAM is full. (7-6)
  7. 11. Term used to describe memory that is directly accessible by the CPU, such as RAM and ROM.
  8. 14. A computer system designed to perform a specific task, often within a larger device. (8-6)
  9. 16. The main processing microchip within a modern computer system.
  10. 17. The name of the computer scientist who designed a computer architecture where data and instructions are stored in the same memory. (3-7)
  11. 19. Storage technology that uses lasers to read and write data, e.g. CDs and DVDs.