1. CPU (central processing unit)
the key component of a computer system,which contains the circuitry necessary to interpret and executeprogram instructions
.2. RAM (Random Access Memory)
The main memory in a computer, smartphone or tablet. RAM is the temporary workspace where instructions are executed and data are processed.
3. ROM (Read Only Memory)
Memory hardware that allows fast access to permanently stored data but prevents addition to or modification of the data.
4. PC (personal computer)
a compact computer that uses a microprocessor and is designed forindividual use, as by a person in an office or at home or school, forsuch applications as word processing, data management, financialanalysis, or computer games.
5. LCD (liquid crystal display)
LCD is the technology used for displays in notebook and other smaller computers.
6. UPS (Uninterruptable Power Supply)
UPS is a device that allows a computer to keep running for at least a short time when the primary power source is lost. It also provides protection from power surges.
7. LAN (A local area network)
LAN is a group of computers and associated devices connected to a server using a shared common communications line or wireless link.
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