CATEGORY 1
What is a Computer?
A computer is an electronic machine that makes mathematical calculations and logical comparisons quickly and without any mistakes.
Parts of Computer
Computer consist of two parts,hardware and software.
Hardware?
nHardware is the physical parts of the computer.
Software?
Software is the programs in the computer.
Software uses hardware to perform operations for the computer user.
First electronic computer was called
ENIAC
2 Megabyte in Kilobyte?
2048 Kilobyte
How many periods are there in computer history?
5
Parts of Hardware?
SYSTEM UNIT DEVICES
Input devices, output devices, Storage devices
SYSTEM UNIT DEVICES
Everything that is inside of your system case is called a system unit device.
Examples: motherboard, VGA card, sound card, NIC ,CPU, RAM, Modem…etc.
The main electronic board inside of a computer. It contains all electronic components.
Motherboard (Mainboard)
One of the most important devices that controls everything. It serves as a brain to the Computer system.
CPU (Central Processing Unit)
Computer memory that stores your data for a short time. If computers's this capacity is large your computer will work faster.
RAM (Random Access memory)
Write the names of Measuring units from smallest to biggest:
Bit, byte, kilobyte, megabyte, gigabyte, terabyte...
__________ is used to enter data to computer. ___________ are a microphone, scanner, joystick, light pen, touch screen, webcam and digital camera.
Input Devices
________ gives or shows you a result of computer’s work. A printer, plotter, projector and earphone are other output devices.
OUTPUT Devices