PARTS OF COMPUTER SYSTEM UNIT

PARTS OF COMPUTER SYSTEM UNIT

  1. Motherboard – is a Printed Circuit Board (PCB) found  inside a computer. It is the foundation of a computer. It is so called mb, mainboard, mobo, mobd, backplane board, base board, main circuit board, planar board, system board, or a logic board on Apple computers.
  2. Power Supply Unit– It supplies power to the computer.  It is so called PSU.  PSU converts mains AC to low-voltage regulated DC power for the internal components of a computer.[pinoyreviews]
  3. Central Processing Unit – (CPU) another term for processor and microprocessor. It is a considered the “brain” of the computer. CPU is responsible for interpreting and executing computer commands from the computer’s hardware and software.
  4. Hard Disk Drive (HDD) is a storage device where Operating System is being stored. It is sometimes called HDD (abbreviation), hard drive, hard disk, fixed drive, fixed disk.
  5. CD-ROM/DVD-ROM DRIVE- (Compact Disc Read-Only Memory) is a disk drive that uses laser light or electromagnetic waves within or near the visible light spectrum in reading or writing data to or from optical discs.
  6. Random Access Memory (RAM) – is commonly called main memory, primary memory, or system memory.  RAM is a volatile memory means power is required to keep the data accessible, when computer is turned off all the data stored in the memory will lost.
  7. Floppy Drive (FDD) – it is also called floppy disk drive (FDD). It is a hardware device that reads data storage information. FDDs are used for reading and writing on removable floppy discs. It is common in older computer system unit.[pinoyreviews]
  8. Expansion Cards – also called expansion board, internal card, add-on card, adapter card or accessory card.  It is a PCB (Printed Circuit Board) that fits into an expansion slot on a desktop computer. It gives computer additional capabilities, such as enhanced video performance via a graphics card, Audio Card, and LAN Card/Network card.

 

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