Mark true or false IT questions 1:you can change the default font style in word ( )

2:A pie chart represent only one data series ( )

3:MS-DOS is a graphical user interface operating system ( )

4:a presentation software is a application software ( )

5: only addition can be done in the ALU ( )

fill in the blanks

1:A mouse is looking like a pencil

2:A/An is an interface between the user and the computer

What is a number system, and what is the total number of digits used in this system called? a number system is a system that uses different (options: a) numbers b) symbols c) codes d) digits e) alphabets) to represent different numbers. the total number of digits used in a number system is known as its (options: 1) processor 2) converter 3) radix 4) least significant digit 5) most significant digit)