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LESSON-1. BASIC FUNDAMENTALS OF COMPUTER. WHAT IS A COMPUTER?. Computer is a programmable machine that runs programs and processes data Computer is an advanced tool used to perform multiple tasks.

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lesson 1

LESSON-1

BASIC FUNDAMENTALS OF COMPUTER

slide3

Computer is a programmable machine that runs programs and processes data

  • Computer is an advanced tool used to perform multiple tasks
slide4

Computers are used in a wide variety of fields including banks, post-offices, companies, colleges , schools, and even homes

slide5

The computer is used for education and daily work requirements.

  • The computer is also used in different fields like entertainment, culture, and sports
parts of a computer
Parts of a computer
  • HARDWARE
  • SOFTWARE
hardware components
HARDWARE COMPONENTS

The parts of a computer that you can touch and feel are called hardware.

monitor
Monitor
  • The object which looks like a television set is called a monitor
central processing unit c p u
Central Processing Unit (C.P.U)
  • The part of the computer that executes program instructions is called the CPU.
  • The CPU is part of the motherboard, which is inside the system unit or cabinet
keyboard
Keyboard
  • The keyboard is like a typewriter.
  • There are many key buttons, which are marked with different letters, numbers, symbols and words.
  • When you press a button you are giving instructions to CPU. The CPU takes these instruction signals and sends it to the monitor.
  • Monitor takes these signals and displays a picture, which we see on the screen.
mouse
Mouse
  • The mouse is a device by which we input information to the computer.
  • It is used to move the pointer on the screen and do various tasks.
usb ports
USB Ports
  • By using a USB port multiple input and output devices can be used by a computer.
printer
Printer
  • A printer is an output device.
  • It prints out text, illustrations, or pictures onto paper from the computer.
scanner
Scanner
  • A scanner is an input device used to capture printed material.
  • It can convert any printed material into a digital image the computer understands, which it can then save and edit
modem
Modem
  • Modem is a signal converter.
  • The modem converts analog signals to digital signals and vice versa and is used to connect a computer to the Internet
slide16
UPS
  • The change of voltage or load shedding may harm the computer.
  • So UPS or uninterrupted power supply is needed so that computer constantly gets the desired voltage.
  • It also helps by storing electricity in a battery so we can save our information and properly shut down the computer at the time of power failure
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