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The combination of keyboard and the VDU is called a terminal. They use either a pen or an inkjet approach. Main Memory It is that section of the computer where programs and data are stored. It is a temporary location in the computer for storage of data and instructions.
Processors read and write information from memory. The unit of measurement is a bit. When the power fails, the contents in RAM are lost. Therefore, it is volatile.
Memory is organised in the form of pigeonholes. Either a 0 or a 1 represents it. ROM is non - volatile. The programs are written permanently into the memory at the time of manufacture. Memory is not lost, even when the power fails.
There are different types of ROMs available. Cache Memory When data and instructions are processed frequently, then they must be stored at a temporary location, which should be high-speed. This high-speed memory is called cache memory. It is built into processor to enhance the processor speed.
Secondary storage provides just that kind of storage facility. Secondary storage are broadly classified as: Magnetic media It makes use of magnetic spots on the disk to store data.
It uses magnetic spots to store data. It is very similar to a tape recorder. The different types of magnetic tapes available are: Cartridge tapes The other secondary storage that is most commonly used is a Magnetic Disk, which may be a i.Essay online business narrative college essay writing ideas center, rules in school essay on environmental my youth essay talent singing seven sentence essay in english life passion essay lesson narrative essay about singapore pollution in general?
essay writing traveling definition company essay writing in kannada pdf. hardware and software essaysA computer system consists of hardware and software.
Hardware is the equipment, which makes up the computer system. Hardware consists of: Input devices such as keyboard, mouse, joystick - The Central Processing Unit (CPU) - Output devices such as a printer, monitor. Apr 22, · What are currently the hot topics in computer science research?: originally appeared on Quora: The best answer to any question.
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Computer Hardware - Essay Example Tagged Application Software, Data warehouse Its hardware components include Input and output devices, a central processing unit (CPU), and primary and secondary storage devices. Hardware is a term, which refers to the physical components of a computer system (electronic or electrical), which are used for processing data.
Such components are classified according to their functional use within a computer system.
The term compute including the central processing unit. The term.