Across
- 5. high speed memory external to processor which stores data which the processor will need again.
- 7. contents of a computer memory output to screen or printer.(2 words)
- 8. short for operation code, the part of a machine code instruction that identifies the action the CPU will perform.
- 9. smallest picture element that makes up an image.
- 10. input device that reads physical data from its surroundings.
- 15. a number system based on the value 16
- 16. the identification of parts of a problem that are similar and could use the same solution.(2words)
- 19. number of video frames that make up a video per second.(2 words)
- 20. temporary component in the processor which can be general or specific in its use that holds data or instructions as part of the fetch-execute cycle.
- 21. group of bits used by a computer to represent a single unit.
- 22. requirement to charge a component to retain its electronic state.
- 23. a single operation performed by a CPU.
- 25. the part of a machine code instruction that identifies the data to be used by the CPU.
Down
- 1. hardware used to connect together a number of devices to form a LAN that directs incoming data packets to a specific destination address only.
- 2. the process of extracting information that is essential, while ignoring what is not relevant, for the provision of a solution.
- 3. the process of breaking a complex problem into smaller parts.
- 4. each binary digit is reversed and 1 is added in right-most position to produce another method of representing positive and negative numbers.(2 words)
- 6. type of touch screen technology. When a finger touches the screen, the glass layer touches the plastic layer, completing the circuit and causing a current to flow at that point.
- 11. mode of addressing in which the memory address used is the current memory address added to the operand.
- 12. number of bits used to represent the colours in a pixel,(2words)
- 13. base two number system based on the values 0 and 1 only.
- 14. coding system which represents all the languages of the world
- 16. external connection to a computer which allows it to communicate with various peripheral devices.
- 17. the lag in a system.
- 18. a unit made up of ALU, control unit and registers which is part of a CPU.
- 22. number of pixels per column and per row on a monitor or television screen.
- 23. mode of addressing in which the contents of the contents of the memory location in the operand are used.
- 24. indicates the status of a bit in the status register,