CSS Flashcards
Is a source of danger which can be define as condition or situation that exist.
HAZARD
Types of hazard
Visible hazard Hidden hazard Developing hazard
FIVE ‘S
- Sort
- Sustain
- Standardize
- Set in order
- Shine
COMPUTER COMPONENTS
- CPU
- FAN
- HEAT SINK
- VIDEO CARD
- MODERN CARD
- SOUND CARD
- RIBBON CABLE
- MOTHER BOARD
- DVD/ CD ROM
- HARD DRIVE
- POWER CORDS
- ZIP DRIVE
The processor is the main brain or heart of a computer system.
CPU (CENTRAL PROCESSING UNIT)
The main part of a microcomputer, sometimes called chassis. it includes mother board, microprocessor, memory chips.
SYSTEM UNIT
The main circuit board of a computer. contains all the circuits and components that run the computer.
MOTHERBOARD
Is the computer working stage space that holds data, instruction for processing and processed data C information waiting to be sent to secondary storage.
PRIMARY STORAGE
TWO TYPES OF MEMOMRY
- RAM ( READ ONLY MEMORY) - NON VOLATILE
- ROM (RANDOM ACCESS MEMORY) - VOLATILE
A bus is a data pathway between several hardware components inside or outside a computer.
EXPANSION BUS
Printed circuit (Interface card) that enable
ADAPTERS
Installed in the back corner of the pc case next to the mother board.
POWER SUPPLY UNIT (PSU)
(HDD)
HARD DISK DRIVE
(C:DRIVE)
Magnetic field
OPTICAL DRIVES
(CD) COMPACT DISK
(DVD) DIGITAL VERSITILE DISK
(BD) BLUE RAY DISK
External devices attached to computer system to provide additional functions. mouse, keyboard.
COMPUTER PERIPHERALS
is composed that accepts data and instructions from the users or from another computer system
Input devices
is any piece of computer hardware that displays results after the computer has process the input devices.
Output devices
Data is inputted to the computer through a keyboard.
Keyboard Entry
he first input device developed for the PC. Data
is transferred to the PC over a short cable with a circular
6-pin Mini-din connector that plugs into the back of the
motherboard.
Keyboard