Computer Imelda Grado

What is Computer?

A computer is an electronic device that processes data, converting it into information that is useful to people. Any computer regardless of its type that is controlled by programmed instructions, which gives the machine a purpose and tell it what to do

People use internet for variety of reasons

COMPUTER COMPONENTS-HARDWAREHardware-electric, electronic and mechanical equipment that makes up the computer. It is tangible and visible.Example: CPU (Central Processing Unit, Mouse,

Keyborad, Speaker, Camera, Printer and etc.

COMPUTER COMPONENTS-SOFTWARESoftware-is the series of instruction that tells the hardware how to perform the task. Without a software the computer is useless because it needs instruction to process data.

Software is composed of System Software Application Software

CATEGORY OF SOFTWARESystem Software-consist of programs that controls the operations of the computer and it’s devices, serve as the interface between user and computer’s hardware.1.Operating System-contains the instruction that coordinates all of the activities of hardware devices. Ex. Windows 8, Windows 72.Utility Programs- a type of system software that performs a specific task to manage computer and it’s devices.3. User Interface- controls how data and instructions are entered and how information is presented. It is known as GUI( Graphical User Interface).

Application Software consist of programs designed to perform specific task for users.

COMPUTER COMPONENTS-PEOPLEWAREPeopleware- any human being that pertains the communication towards the computer. It could be in the form of using the computer by their own free will-(user) and job description (personnel).Example: User-students, public, government employee. Personnel-IT Teacher, Computer technician, Computer Trouble-shooter and etc.

http://www.slideshare.net/norzaini/chapter-1-introduction-to-computers

IT 111/CS 111

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