How Computer Works (Basic Info)
CMOS: complementary metaloxide semiconductor the CMOS chip contains crucial information about what system hardware, a Personal Computer comprises even when power is turned off.
CPU: Central Processing Unit, also known as microprocessor, a microchip that processes the system information and the code (instructions) used by a computer system. It’s also called the "brains" of a computer.
Expansion Slot: Most of computers have unused slots into it can be plug circuit boards and hardware to add to the system's capabilities. Today’s Personal Computer Interface (PCI slot) or its next-generation sibling PCI-Express (PCIE slot), and other slot, the Accelerated Graphics Port (AGP slot) accepts the video card. These Industry Standard Architecture (ISA) the only type of slots on the first Computer.
Operating System: A system software that control the operations of hardware. The operating system directs any operation, like writing data to disk or to memory, and regulates the use of hardware among several application that are running at the same time in A system.
RAM and ROM: Is called Random Access Memory and Read Only Memory. ROM is a memory chip or data stored on disks that can read by the computer's CPU. The computer can’t write new data to ROM chips. RAM is memory that can be both read and written, a computer can directly jump to any information that stored in random locations in RAM chips or also on disk.
System Files: System Files that contain software code these are the first files a computer reads from disk when it is booted/restarted. The system files contain the information necessary needed, following the initial hardware boot up, to load the rest of the operating system.
Read and Write: Writing is a process which is a computer stores data in either RAM or on a disk drive. Reading is a process by which is a computer transfers software code or data from a drive to RAM or from RAM to the microprocessor (CPU).
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