Computer Hardware guide- Get all about Computer Hardware
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Comprehensive Guide to Computer Hardware
Summary:
Computer hardware encompasses the physical components of a computer. Unlike software, it can be upgraded or replaced. Most hardware is inside the computer's casing, invisible to the average user. This guide focuses primarily on hardware related to personal computers.
Article Body:
Computer hardware includes all the physical components of a computer system. These elements are distinct from software and are upgradable over time. Most hardware is hidden within the computer's casing as part of embedded systems, especially in personal computers.
The core of internal hardware is the motherboard, which houses the central processing unit (CPU) and random access memory (RAM). RAM offers temporary data storage, while the CPU handles all computational tasks. Another essential component is the bus, which facilitates communication between different circuits. Common buses include PCI, PCI-E, AGP, and the now-obsolete ISA.
A computer needs a power supply unit (PSU) that combines a transformer, voltage control, and a cooling fan. Storage controllers manage hard drives, floppy drives, and CD-ROMs, either mounted on the motherboard or on an expansion card.
Video display controllers generate visual output for the display, while bus controllers connect external peripherals such as printers and scanners to the computer.
Removable media drives like CD/DVD drives, writers, and floppy disks are also a part of hardware. They are not permanently fixed and can be easily removed when needed.
Storage devices, such as tape drives, internal storage, and hard drives, offer various levels of data storage. Tape drives are ideal for backups or long-term storage, internal storage secures data within the system, and hard drives provide medium-term storage. Sound cards convert digital signals to audio output and have connections for speakers.
Networking is crucial for internet connectivity and communication between computers. Essential networking hardware includes modems for dial-up connections and network cards for DSL/cable internet and computer networking.
External components include input/output devices like keyboards, mice, and monitors, along with speakers, headsets, joysticks, trackballs, scanners, and microphones.
For those looking to purchase computer hardware, it’s best to buy from reliable sources at competitive prices. The internet is a valuable resource for information, and many manufacturers offer their products online with significant discounts.
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