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Computer hardware. PDP-11 CPU board. Computer hardware includes the physical parts of a computer, such as the central processing unit (CPU), random access memory (RAM), motherboard, computer data storage, graphics card, sound card, and computer case. It includes external devices such as a monitor, mouse, keyboard, and speakers. [ 1][ 2]
Computer. A computer is a machine that can be programmed to automatically carry out sequences of arithmetic or logical operations ( computation ). Modern digital electronic computers can perform generic sets of operations known as programs. These programs enable computers to perform a wide range of tasks.
Computer data storage or digital data storage is a technology consisting of computer components and recording media that are used to retain digital data. It is a core function and fundamental component of computers. [ 1]: 15–16. The central processing unit (CPU) of a computer is what manipulates data by performing computations.
A technology consisting of computer components and recording media used to retain digital data. It is a core function and fundamental component of computers. [1] device memory. local memory associated with a hardware device such as a graphics processing unit or OpenCL compute device, distinct from main memory.
A computer repair technician is a person who repairs and maintains computers and servers. The technician 's responsibilities may extend to include building or configuring new hardware, installing and updating software packages, and creating and maintaining computer networks .
A laptop computer or notebook computer, also known as a laptop or notebook, is a small, portable personal computer (PC). Laptops typically have a clamshell form factor with a flat-panel screen on the inside of the upper lid and an alphanumeric keyboard and pointing device on the inside of the lower lid.
A computer lab with desktop PCs with flat-panel monitors. A desktop computer (often abbreviated desktop[ 1]) is a personal computer designed for regular use at a stationary location on or near a desk (as opposed to a portable computer) due to its size and power requirements. The most common configuration has a case that houses the power supply ...
A department store is a retail establishment offering a wide range of consumer goods in different areas of the store, each area ("department") specializing in a product category. In modern major cities, the department store made a dramatic appearance in the middle of the 19th century, and permanently reshaped shopping habits, and the definition ...