Across
- 5. an emulation of an existing computer system. A computer OS running within another computer’s OS.
- 8. the use of an app/device to imitate the behaviour of another program/device; for example, running an OS on a computer which is not normally compatible.
- 9. circuit two half adders combined to allow the sum of several binary bits.
- 10. electronic circuits with two stable conditions using sequential circuits.
- 12. computer that uses multiple instructions multiple data sources
- 13. the output from a process which influences the next input value to the process.
- 15. computer that uses multiple instructions single data source
- 17. circuit in which the output depends on input values produced from previous output values.
- 18. virtual machine software that creates and runs virtual machines.
- 20. computer that uses single instruction single data source
- 21. a Boolean expression containing AND and OR terms.
- 22. circuit in which the output depends entirely on the input values.
- 23. an operating system that controls the physical hardware.
Down
- 1. interconnection between two logic gates which make up a flip-flop.
- 2. ordering of binary numbers such that successive numbers differ by one bit value only, for example, 00 01 11 10.
- 3. an operating system running on a virtual machine.
- 4. the complete set of all the instructions in machine code that can be recognized and executed by a central processing unit.
- 6. stands for complex instruction set computer
- 7. circuit that carries out binary addition on two bits giving sum and carry.
- 11. is to allow several instructions to be processed simultaneously without having to wait for previous instructions to finish.
- 14. is a signal that is sent to the processor to request immediate attention
- 16. stands for reduced instruction set computer
- 17. computer that uses single instruction multiple data sources
- 19. a a method used to simplify logic statements and logic circuits – uses Gray codes.