COMPUTER HARDWARE FUNDAMENTALS PDF DOWNLOAD

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Mass storage devices such as hard drives store programs and data even when the power is off; they do require power to perform dpwnload and write functions during usage.

Computer Fundamentals Tutorial in PDF

Objectives and skills for the hardware portion of IT Fundamentals certification include: Hard disk drives Fundamnetals are data storage devices used for storing and retrieving digital information using rapidly rotating disks platters coated with magnetic material.

A PC’s main memory is a fast storage area that is directly accessible by the CPU, and is used to store the currently executing program and immediately needed data. Methods include case fans, CPU computer hardware fundamentals pdf download, and liquid cooling. Optical drives, including CD, DVD, and Blu-ray Disc, are data storage devices using rapidly rotating discs coated with computer hardware fundamentals pdf download material and read using a laser diode.

Retrieved from hatdware https: Unified Extensible Firmware Interface. Liquid cooling uses a liquid rather than air as the heat conductor, with the most common heat transfer fluid in desktop PCs being distilled water. A modem pd is a device that modulates signals to encode digital information and demodulates signals to decode the transmitted information, initially used for telephone line data transmission, but also used with DSL and cable high speed connections.

computer hardware fundamentals pdf download

This computer hardware fundamentals pdf download was last edited on 20 Septemberat Views Read Edit View history. Hardware refers to the physical parts or components of a computer. By using this site, you agree to the Terms of Use and Privacy Policy. Video cards—otherwise called graphics cards, graphics adapters or video adapters—process the graphics output from the motherboard and transmit it to the display.

Computer Fundamentals Tutorial in PDF

A network interface controller NIC, also known as a network interface card, fundamentala adapter, LAN adapter, and by similar terms is a computer hardware component that connects a computer to a computer network. In other languages Add links.

System cooling is required to remove the waste heat produced by computer components, to keep components within permissible operating temperature limits. Hardware includes components such as the monitor, keyboard, hard drive disk, mouse, printers, graphic cards, sound cards, memory, motherboard and chips, etc.

The power supply unit, or PSU, converts general purpose electric current from the mains to direct current for the other components of the computer. The motherboard, also referred to as system board or main board, is the primary circuit board within a personal computer, and other major system fundamenttals plug directly onto or cable into the motherboard.

The central processing unit, or CPU, is computer hardware fundamentals pdf download part of a computer which executes software program instructions.

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Audio cards are internal computer expansion cards that facilitate economical input and output of audio signals to and from a computer under control of computer programs, also computer hardware fundamentals pdf download as a sound card. The fundamental purposes of the BIOS are to initialize and dosnload the system hardware components, and to load a boot loader or an operating system computeer a mass storage device.

Solid state drives SSD are data storage devices using integrated circuit assemblies as memory to store data persistently.