Perfect Computer Notes

What is Hardware? The physical parts of a computer are called hardware. Hardware can be touched or seen by us. For example, hard disk, mouse, keyboard, CD, CD-ROM Drive, Floppy Disk, Speakers, Modem and Printers - all are computer hardware. Explain different types of computer hardware Different types of hardware components on the basis of the functionality  they provide are as follows: 1.    Input devices Input devices are used to enter data and instructions into computer. Examples of input devices are: Keyboard, mouse, scanner, digital camera etc. Microphone Mouse Keyboard 2.    The Central Processing unit Central processing unit is the brain of the computer . It is also called CPU or Processor. Intel is the leading manufacturer of microprocessors. For example, Intel Pentium IV 3.2 MHz is an example of a CPU. You can see the images of processors / Micro processors or CPUs. Images of CPU or Microprocessor or s...