Four Functions of the Computer

Four Functions of the Computer

1. Four Functions of the Computer

2. Input It is the entering or feeding of data or information into a computer. This is done using the keyboard, mouse, or scanner.

3. Output Once the data are processed, you can now see, hear, and interact with it. You can see the data in the monitor or hear the sounds through the speaker.

4. Processing The central processing unit (CPU) is the part of the computer that handles the data by following a set of instructions called program . m icroprocessor - carries out complex calculations in less than a second.

5. Storage Storage  is the component within your  computer  that allows you to store and access data on a long-term basis . Storage is measured by bytes , kilobytes (KB), megabytes (MB), gigabytes (GB), and terabytes (TB).

6. Two types of Storage Short term storage refers to random access memory (RAM) which stores information while you are using the computer but it is constantly erased and rewritten as you open and close the files.

7. Long term storage stores and acts as backup even if the power supply is off. .

8. CD/DVD e xternal hard drive c ompact flash Internal hard drive USB flash drive