A printer is an output device. It prints characters, symbols, and perhaps graphics on media, generally on paper, plastic, cloths etc.

The method of transferring data from RAM or primary memory to another memory of a computer, especially in secondary memory, without informing the CPU

Basic characteristics about computer are: 1. Speed: 2. Accuracy: 3. Diligence: 4. Versatility 5. Power of Remembering 6. No IQ 7. No Feeling 8. Storage

If user request for execute a process to the processor when it is busy, then it create a disturbance to the processor. This phenomenon is known as Interrupt.

The full form of POST is Power On Self Test. This test starts just after the switch on your computer. A predefine amount of power supply to the all parts or devices.

Software is a set of instruction, which are performing a specific goal. This set of instruction supply to the computer as a software. Software is the intangible part of the computer.

Storage devices are divided into two types 1) Primary Memory 2) Secondary Memory. These types of memories are volatile memory.

The process of loading files into the primary memory from the HDD after POST is called booting. A computer system starts with a beep sound or booting sound.

Neue von Architecture or block diagram of computer system design on 1945. It has three parts 1)Input device 2)Central Processing Unit 3)Output Device

Different types of computers are their. Analog, Digital, Hybrid, Super computer, Mainframe, mini computer, macro computer, Desktop, laptop, Palmtop, workstation

Computer is nothing but an advance electronic device which can receive raw facts or data and deliver the information after processing the raw facts.