How Computers Work?

1 :: What makes a computer, a computer

4 Main Parts of any Computer

1. INPUT
2. STORAGE
3. PROCESSING
4. OUTPUT

2 :: Binary & Data

All operations within a computer can be represented as 0/1 or on/off through the Binary language.

3 :: Circuits and Logic

Computer circuits are binary in concept, having only two possible states. They use on-off switches (transistors) that are electrically opened and closed in nanoseconds and picoseconds (billionths and trillionths of a second). A computer’s speed of operation depends on the design of its circuitry.

4 :: CPU, Memory, Input & Output

• INPUT :
  • CONVERTS PHYSICAL INPUT TO BINARY INFORMATION.
• MEMORY :
  • STORES INFORMATION.
• CPU :
  • CENTRAL PROCESSING UNIT CALCULATES INFORMATION. (Arithmetic and Logical)
• OUTPUT:
  • CONVERTS INFORMATION TO PHYSICAL OUTPUT.

5 :: Hardware and Software

• Hardware:
  • Hardware refers to the physical elements of a computer. This is also sometime called the machinery or the equipment of the computer. Examples of hardware in a computer are the keyboard, the monitor, the mouse and the central processing unit(CPU).
• Software:
  • Software,commonly known as programs or apps, consists of all the instructions that tell the hardware how to perform a task. These instructions come from a software developer in the form that will be accepted by the platform (operating system + CPU) that they are based on.

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