3.2 Peripheral I / O
Peripheral is something that refers to the external equipment connected to the computer.
Computer peripherals can be divided into two categories based on function. The first category consists of equipment that perform input and output operations, this category includes the keyboard, trackball, mouse, printer, and video display. The second category consists of equipment primarily to secondary data storage, which is the main storage is provided by the main memory komputer.
many storage devices, such as magnetic disks, optical disks, magnetic tapes, which are able to store large data.

In this book will introduce the equipment commonly used in Personal Computer (PC). KeyBoard















Computer assembling
I. Preparation:
1. Prepare the necessary tools such as screwdrivers (+) and (-)
2. Make sure the computer is off (power off)
3. Keep all magnets from hard drives.
4. Keep water and liquid from the computer and its components.
5. It is strongly recommended to install the manual with the motherboard.
II. Installing Processor (Socket Type):
1. Zif socket Lokasikan and open by pulling the socket handle up
2. Insert the CPU into the socket with the socket handle maintaining state when entering
CPU
3. When entering the CPU must take into account the real orientation specific instructions
the pocessor and socket.
4. Push down the CPU socket and return the rod to its original position.
5. Place the heatsink on the CPU and put restraints correctly.
6. Cable Rangkaikan fan (fan) with the supply.