Computer Hardware Presentation 161s4r

COMPUTER HARDWARE Garner M. Paje Discussant

COMPUTER 

An Electronic Device/Machine that can store, process, and interpret data's. It runs through a set of instructions called Program.

PROGRAMS 

A set of instructions/procedures, codes, machine language that directs the computer what to do or what actions to take to accomplish a certain task.

Hardware Physical properties of a Personal Computer (PC)  A device that is physically connected to the computer or something that can be physically touched. 

Examples of Hardware Monitor (CRT) or (LCD)

U Case



Keyboard



Mouse



Printer



CD/DVD ROM or Writer



HDD hard disk drive



Memory module (RAM)



Mother Board



Power Supply

Software Programs that runs the hardware  A collection of instructions that enables a to interact with the computer or have the computer perform specific task for them.  Computer programs and applications, such as  Operating System (OS)  Office Application  Programming Languages  Utility software that can be run on a particular computer system. 

Operating System (OS) A software program that enables the computer hardware to communicate and operate with the computer software. Example Windows/microsoft Windows7, vista, XP, 2000, ME, 98, 95 Linux ubuntu, fedora, red hat Apple macintosh o

(U) Central Processing Unit responsible for handling all instructions and calculations it receives from hardware components in the computer and software programs running on the computer.  Hardware device or software program that process information heading towards the computer processor before it actually gets to the processor. Example of processor. INTEL- atom, Pentium, dual core, core i3 AMD- sempron, athlon, phenom 

3 Block of the Computer Input peripherals • • • •

Keyboard Mouse Web cam DISK DRIVE

CD ROM, Floppy, USB Flash, Memory Card

• • • • •

Scanner Bar code reader Microphone Joystick Light pen

Output Peripherals

Process • U • Processor

• • • • • •

Monitor Projector Printer Plotter Speaker DVD Writer

Front Components

Rear Components

Rear Connections

Keyboard 

The set of type-writer like keys that enable the to enter data into a computer QWERTY Keys

Function Keys

Special Keys

Numeric Keypad

Cursor control/ arrow key

Mouse 

An input device that allows an individual to control a mouse pointer. Click: press and release the left button once

Press

Move

Hold

Double-click: quickly press and release the left mouse button twice Right-click: Press and release the right button once. A shortcut menu appears Drag: position the mouse pointer to the object or icon to move. press and hold down the left button of the mouse, move the pointer to where you want to drop the icon.

Printer An external hardware device responsible for taking computer data and generating a hard copy of the data.  Printer driver is responsible for sending data and instructions between the computer and the computer printer. 

Dot Matrix

Ink Jet Printer

Processor (U) U Fan

Processor

Example of processor. INTEL- atom, Pentium, dual core, core i3, core i5 AMD- sempron, athlon, phenom

MEMORY MODULE 

A major resource in the computer because it determines the size and number of programs that can be run at the same time, as well as the amount of data that can be process instantly. TYPES OF MEMORY MODULE SDRAM, SIMM, DIMM, DDR1,DDR2,DDR3 Capacity-32mb, 64mb, 256mb, 512mb, 1gb, 2gb, 3gb.

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