PARTS OF A COMPUTER
HARDWARE - is the physical parts or components of a computer,
such as the monitor, mouse, keyboard, computer data storage, hard
disk drive (HDD), graphic cards, sound cards, memory, motherboard,
and so on, all of which are physical objects that are tangible.
HARDWARE COMPONENTS –
MONITOR - A computer monitor is an output device that displays
information in pictorial form.
2 KINDS OF MONITOR –
- LCD = Liquid Crystal Display
- CRT = Cathode Ray Tube
SYSTEM UNIT - A system unit is the part of a computer that
houses the primary devices that perform operations and produce
results for complex calculations.
KEYBOARD - A computer keyboard is an input device that
allows a person to enter letters, numbers, and other symbols
(together, these are called characters) into a computer.
MOUSE - A computer mouse (plural mice, rarely mouses) is a
hand-held pointing device that detects two-dimensional motion relative
to a surface.
2 KINDS OF MOUSE
- OPTICAL MOUSE = It has a laser, can be wireless or
wired
- MECHANICAL MOUSE = It has a small ball underneath
PRINTER - A computer printer is a piece of hardware for a computer.
It allows a user to print items on paper, such as letters and pictures.
SECONDARY PARTS/OPTIONAL
o SPEAKER
o MICROPHONE
o CAMERA
o CONSOLE
o HEADPHONE
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SOFTWARE - instructions that tell a computer what to do. Software
comprises the entire set of programs, procedures, and routines
associated with the operation of a computer system.
COMPUTER SOFTWARE is divided to 2 groups; APPLICATION
AND SYSTEM SOFTWARE
APPLICATION SOFTWARE – PowerPoint, Word, Gmail, Chrome,
Facebook, Instagram, Twitter, YouTube and etc.
SYSTEM SOFTWARE is also divided to 2 groups; OPERATING AND
UTILITY
OPERATING – Windows, Mac OS, IOS, Android, Linux and etc.
UTILITY – Antivirus, Disk Cleanup Tool, MacAfee and etc.
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PEOPLEWARE - Peopleware can refer to anything that has to do with
the role of people in the development or use of computer software and
hardware systems.
Ex. Teachers, Students, IT Professionals, Call Center Agents, IT
Technician and Etc.
LAPTOP | COMPUTER PORTS
LAN (Local Area Network) - A computer network that
interconnects computers within a limited area such as a residence,
school, laboratory, university campus or office
VGA (Video Graphics Array) – Computer chipset standard for
displaying color graphics
HDMI (High-Definition Multimedia Interface) – Specification that
combines video and audio into a single digital interface for use with
digital versatile disc (DVD), DTV and other audiovisual device.
USB (Universal Serial Bus) - Technology used to connect
computers with peripheral devices.
Memory Card Reader - Is a small device that is used to access,
read, copy and backup data from a wide variety of memory cards such
as SD
Headphone Jack - A phone connector, also known as phone
jack, audio jack, headphone jack or jack plug, is a family of electrical
connectors typically used for analog audio signals.
Microphone Jack - A microphone jack is a small round outlet,
usually on a computer, camcorder, or stereo, into which a microphone
cord is plugged. The jack, sometimes called a mic jack, is an input
connector that works much like an electrical socket.
DIFFERENCE BETWEEN LAPTOP AND COMPUTER
LAPTOP COMPUTER
Portable and can be Need to be set up
brought with you when
travelling
Has a built-in component Bigger screen space
All of its parts are already in Its parts are separated from
the laptop it
A BRIEF HISTORY OF COMPUTER
First man made computer that used pebbles for addition
and subtraction around 300 BC in Babylon
- Abacus
It was the first computer in the 1930s to use the yes and
no principle
- Z Computer
During WWI, this computer was invented for ballistics
calculations
- Mark 1
In the 1947, this was invented so it could open and close a
circuit
- Transistor
- In 1951, UNIVAC was invented
- IBM (International Business Machine) entered the
scene in 1953
- IBM made their first computer, the 701 in the 1953
- They made an improvement so they invented 704 in
1956
- FORTRAN was the first “easy” programming” language,
inspired by the IBM 701 and 704
- The world’s fastest computer, the IBM 7090 in the 1960
- The year 1980 was where modern computers started to
take place
- In 1981 IBM released the IBM PC for $4,000
- Xerox made the Xerox Star 8010 in the 1980s. It
featured a Graphical User Interface (GUI)
- Steve Jobs, founder of apple
- Apple released Lisa in 1983, unfortunately it failed since
it was too expensive
- Apple then released Macintosh. It was a lot cheaper
- Bill Gates, founder of Microsoft
- Windows 1.0 was released in 1985
- Windows 2.0 was released in 1987
- Apple then released iMac
- Apple then released the Mac OSX in the 2001
- Windows XP was also released in 2001
- Windows Vista released in 2007
- Windows 7 in 2009
