Internal and external parts of computer pdf

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internal and external parts of computer pdf

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Internal and External Hardware Components in a Computer

DRAM Modules Computer memory is generally classified as either internal or external memory. Internal memory, also called "main or primary memory" refers to memory that stores small amounts of data that can be accessed quickly while the computer is running. External me mory, also called "secondary memory" refers to a storage device that can retain or store data persistently. They could be embedded or removable storage devices. Examples include hard disk or solid state drives, USB flash drives, and compact discs.

Hardware refers to the physical elements of a computer. This is also sometime called the machinery or the equipment of the computer. Examples of hardware in a computer are the keyboard, the monitor, the mouse and the central processing unit. However, most of a computer's hardware cannot be seen; in other words, it is not an external element of the computer, but rather an internal one, surrounded by the computer's casing tower. A computer's hardware is comprised of many different parts, but perhaps the most important of these is the motherboard.

Computer case

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A computer case , also known as a computer chassis , tower , system unit , or cabinet , is the enclosure that contains most of the components of a personal computer usually excluding the display, keyboard , and mouse. Cases are usually constructed from steel often SECC —steel, electrogalvanized, cold-rolled, coil , aluminium and plastic. Other materials such as glass , wood , acrylic and even Lego bricks have appeared in home-built cases. Cases can come in many different sizes known as form factors. The size and shape of a computer case are usually determined by the form factor of the motherboard since it is the largest component of most computers. Consequently, personal computer form factors typically specify only the internal dimensions and layout of the case.

[MCQ Set-2] Components of Computer – GK Objective Question Answer

The brain is an amazing three-pound organ that controls all functions of the body, interprets information from the outside world, and embodies the essence of the mind and soul. Intelligence, creativity, emotion, and memory are a few of the many things governed by the brain. Protected within the skull, the brain is composed of the cerebrum, cerebellum, and brainstem. The brain receives information through our five senses: sight, smell, touch, taste, and hearing - often many at one time.

Information includes a description and operation of the propeller, installation and removal instructions, testing and troubleshooting information, inspection and check, and maintenance practices information. Contact Us. Thomas Daniels Supplemental and Mr. Rick Evans gave a short presentation on vaults and liners. CNC; on a coordinate measuring machine or off-line, touch or optical; standard geometric forms or free-form surfaces — no matter which mea-suring strategy you prefer:CALYPSO allows you to complete all your measuring tasks with one soft-ware.

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The motherboard is a printed circuit board that houses most, if not all of the internal components. These include the Central Processor and the Memory cards as well as sound cards, graphics cards, video cards, any ports such as USB 2.


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  • Disk Drive-Allows a computer to play CD's or DVD's. Cables-The cables connect every electronic device together to connect the circuit and allow everything to work. Heat sink- Necessary to have a CPU cooler. Modem-Connects hardware and signal. Earstumenla1966 - 27.05.2021 at 22:42
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