Did you know that DATA+STRUCTURE=INFORMATION !
What is a computer ?
A computer is a device that accepts input, processes data, stores data and produces output .
What is an Input?An Input is the process entering into the computer. The most common input is the keyboard.
What is Soft copy and Hard copy?
Soft copy- It is the data displayed on a monitor screen.
Hard copy- The data printed on a paper.
What are supercomputers , Mainframe , Microcomputers , Desktop Computer , Portable Computers?
Supercomputers - Supercomputers are very powerful and have a lot of memory .... Infect NASA is using Supercomputers.
Mainframe - They are less powerful than supercomputer but :
They are very fast
They have large-capacity
And also occupying specially wired and conditioned rooms.
Desktop Computers - They are the type of computers they usually we use at home... These machines run comparatively easy-to-use application software.
Portable Computers - Most known as laptops or net book, small enough and light enough to move easily from one place to another.
What is the difference between system software and application software?
The system software is the operating system we are running on ex. Windows XP.
Application Software is the kind of software we use to preform a general-purpose task.
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