21.
Graphical pictures that represent an object like file, folder etc are:

22.
Which of the following is not an advantage of magnetic disk storage?

23.
The 0 and 1 in the binary numbering system are called Binary Digits or

24.
The size of commonly used floppy disk is

25.
The 'IC' chip, used in computers, is made of

26.
Which of the following operating systems is produced by IBM?

27.
The processor which performs arithmetical and logical operations is called

28.
Which was an early mainframe computer?

29.
Where is the headquarters of Intel located?

30.
Which of the following was the first Intel processor introduced?