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The Inside of a Computer

The document discusses the main internal components of a computer, including the motherboard, central processing unit (CPU), ROM-BIOS, random access memory (RAM), expansion slots, expansion cards, and PCMCIA cards. The motherboard is the main circuit board that connects all the components, the CPU is the computer's processor, ROM-BIOS contains startup instructions, RAM is used for temporary storage, expansion slots add capabilities via cards, and PCMCIA cards provide similar functionality for notebooks.

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THE INSIDE OF A COMPUTER Prepared by: Teacher Roselyn D.C. Villanueva
What’s Inside a Computer Case?
MOTHERBOARD The main piece of circuitry in a computer. Everything connects to or is wired to the motherboard.
Central Processing Unit (CPU) The computer’s brain or heart, the CPU is a computer’s main chip. The CPU is really nothing more than an incredibly fast and powerful calculate.
ROM-BIOS A computer’s ROM-BIOS (stands for Read Only Memory – Basic Input/Output System) is a special chip with instructions for the computer to communicate with other hardware parts.
Random Access Memory (RAM) A computer’s temporary storage place, where it gets its work done. For example, when you use a word processor to type a letter, the letter is stored in the computer’s memory.
Expansion Slot An expansion slot lets you add more features and capabilities to a computer by plugging in expansion cards.
Expansion Card A card that allows you to expand your computer’s capabilities, such as a modem card, a network card, a video card, or a sound card.
PCMCIA Cards Notebook computers are too small to use expansion cards, so they use special credit-card sized PCMCIA cards instead. You plug in a PCMCIA card, or PC Card, into a notebook computer to give it more features and capabilities.
The Inside of a Computer
The Inside of a Computer