The document provides a comprehensive overview of computer components and their functionalities, including CPUs, storage devices, and input/output peripherals. It explains the operations performed by computers, such as interpreting instructions, executing arithmetic operations, and managing hardware connections via various slots and buses. Additionally, it describes peripheral devices like sound cards, scanners, mice, and monitors, and their roles in computer functionality.

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2. A computer is a collection of integrated
circuits and other components that can
perform with accuracy, speed, and as
indicated by a user or automatically by
another program, a variety of routines or
sequences of instructions that are neat,
organized and systematized according to a
wide range of practical applications and
precisely determined, a process which has
been called by the name of the program and
that makes it is called the programmer.

4. •Interprets instructions to the
computer
•Performs logical and arithmetic
operations.
•Causes the input and output
operations to occur.
•A Pentium Pro Microprocessor can
perform approximately 250 million
instructions per second (MIPS)

5. •Computer’s primary storage of data
to be processed.
•CPU can manipulate electrical
currents.
•Usually measured in MB or KB
(e.g:8MB of RAM)

6. A main function of the BIOS is to
give instructions for the power-on
self test (POST). This self test
ensures that the computer has all
of the necessary parts and
functionality needed to
successfully start itself, such as use
of memory, a keyboard and other
parts.

7. The Accelerated Graphics Port (also
called Advanced Graphics Port, often
shortened to AGP) is a high-speed
point-to-point channel for attaching a
video card to a computer's
motherboard, primarily to assist in the
acceleration of 3D computer graphics.

8. Is a computer bus for attaching
hardware devices in a computer.
Typical PCI cards used in PCs
include: network cards, sound
cards, modems, extra ports such
as USB or serial, TV tuner cards
and disk controllers. Historically
video cards were typically PCI
devices, but growing bandwidth
requirements soon outgrew the
capabilities of PCI.

9. Also known as an AMR slot, is an
expansion slot found on the
motherboards of some Pentium
III, Pentium 4, and Athlon
personal computers. It was
designed by Intel to interface
with chipsets and provide analog
functionality, such as sound
cards and modems, on an
expansion card.

10. known as ATA (Advanced Technology
Attachment) specification [ATA Bus].
The IDE bus is used in Personal
Computers [PCs] as a hard-drive or
peripheral bus to interconnect the PC
mother board and a hard drive. The
IDE bus is a Parallel bus. With the
introduction of the Serial ATA [SATA]
specification Parallel ATA [IDE] is now
being called PATA

11. Is a non-volatile storage device
that stores digitally encoded data
on rapidly rotating platters with
magnetic surfaces. Strictly
speaking, "drive" refers to the
motorized mechanical aspect that
is distinct from its medium, such
as a tape drive and its tape, or a
floppy disk drive and its floppy
disk.

12. Also known as an audio card is a
computer expansion card that
facilitates the input and output of
audio signals to and from a
computer under control of
computer programs. Typical uses of
sound cards include providing the
audio component for multimedia
applications such as music
composition, editing video or
audio, presentation, education,
and entertainment (games).

14.  The speakers are used to listen to
the sounds emitted by the
computer, such as music, sound
errors, conferences.
Usually the speakers are integrated
into the computer. In laptops, the
majority of cases, are integrated so
that they are not. And in the over-
table in the monitor, but the tower
also has a sound to indicate errors.

15.  In computing, a scanner (English
language: scanner) is a peripheral
that is used to convert, through
the use of light,
or other printed images
to digital format.

16.  The mouse (in English, pronounced [maʊs]) is a
computer peripheral to the hand, usually made of
plastic, used as input data or control.
Used with one of the two
hands of the user and detects
the relative motion in two
dimensions on the horizontal
surface in which it supports,
usually reflected by an arrow or
pointer on the monitor.

17. A digital camera (or digicam
for short) is a camera that takes
video or still photographs, or
both, digitally by recording
images via an electronic image
sensor.

18. sometimes called a visual display unit is
a piece of electrical equipment which
displays images generated by devices
such as computers, without producing a
permanent record. The monitor
comprises the display device, circuitry,
and an enclosure. The display device in
modern monitors is typically a thin film
transistor liquid crystal display (TFT-LCD),
while older monitors use a cathode ray
tube (CRT).