Basics of Computer

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How do you use a computer?
    Learning Basic Computer Commands. Select files and text. You can use your mouse or keyboard shortcuts to select files on your computer and text on documents and website. Click and drag the mouse across the text you want to select, or press Ctrl + A (PC) or ⌘ Cmd + A (Mac) to select everything in your current location.
What are the basic parts of a computer?
      The important components of a computer are the CPU, memory, graphics adapter, storage system and power supply. The motherboard connects these componentstogether inside the case. Outside the case, the input system includes a keyboard and mouse, and the output display is usually a monitor.
What is the main part of the computer?
The unit contains the motherboard which is the main circuitry for the system. The power supply for the main computer is located in the unit. All the other partsincluding the monitor, mouse, keyboard, speakers, and others join at the unit to become a functional system.

How do you start a computer?
Method 2 Starting Your PC in Safe Mode
  1. Power on your computer as described in the steps describing how to start in Normal Mode.
  2. Press and hold the F8 key before Windows boots. This action will launch the boot menu.
  3. Select Safe Mode using your arrow keys. When Safe Mode is highlighted, press Enter.

How do you turn on a computer?
Find the power button on your computer. Turn it off and listen and watch for lights. The computer takes a few minutes to turn fully on. After the screen stops changing and the computer quiets down, use the Start button to turn the computer off again.
What is the CPU?
CPU (pronounced as separate letters) is the abbreviation for central processing unit. Sometimes referred to simply as the central processor, but more commonly called processor, the CPU is the brains of the computer where most calculations take place.

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