AIS 105: Meeting 1-3

There are four generations of computer.

Unlike personal computer which is cheap and slim, mainframe computer is much more expensive and it is big in size.

Peripherals are the device which provide input or output the computer.

There are three components of a computer, ALU, control unit, input and output devices.

Control unit only has one function, to read the program instruction.

Central system is the other name for control unit.

RAM and ROM are the places where computer main memory locates.

Personal database, contact management and word processing are some examples of the use of software for data management.

Some examples of input devices are keyboard, mouse, light pen, and monitor.

Some examples of output devices are printer, plotter, loudspeaker, and scanner.

Hard disk drives can be functioned as input and output device.

The brain of the computer is micro protesting

Operating system allows the users to run the computer without knowing and understanding the every single detail element of computer.

There are two types of software, operating system and application software.

Microsoft office is one examples of application software.

Windows 10, Payroll, and Mac OS X are some examples of operating system software.

Adobe Photoshop was one of the image editing application software.

Compared with Kilobyte, byte has the smallest amount.

Compared with byte and kilobyte, gigabyte has the biggest capacity.

Older Intel processor is slower than recent Intel processor.