Flashcards
Computing Hardware keywords
Cards in this deck (10)
- 1CPU(Central processing unit) Is the brain of the computer. fetches and execute program instruction
- 2ALU(Arithmetic logic unit) carries out calculations as we as similar numeric function.
- 3RAM(Random-access memory) Main memory of a computer that stores data, applications and the operating system whilst in use. When the power is turned of RAM loses its data.
- 4Control UnitThe control unit works with the CPU to control the flow of data within the system.
- 5Cache memorySpecial high-speed memory used by a computer. it stores frequently used data/program/websites
- 6Flash memorySolid-state memory used as low cost secondary storage in portable devices and as removable memory.
- 7SSDSSD has no moving parts. and it faster than HDD
- 8optical diskSecondary storage device using lasers to read (and write) data
- 9ROMdata is not lost when the computer is turned off (non-volatile)
Stores the location and type of the OS - 10clock speedMeasured in hertz. the clock speed represents how many instructions per second the processor can execute. The higher the clock speed the faster the CPU can operate.
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- 11th grade Computer Science Flashcards on Computing Hardware keywords, created by Chetan Rajesh on 26/01/2017.
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- Chetan Rajesh
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