# 1000+ Number System Questions and Answers Pdf - 1

Question: 1

What is ASCII?

The most commonly used coding scheme is the Standard Code for Information Interchange (ASCII). Each binary value between 0 and 127 is used to represent a specific character.

Question: 2

What is decimal number system?

The system that uses the decimal numbers or digit symbols 0 to 9 is called the decimal number system. This system is said to have a base or radix of ten. Sequence of digit symbols are used to represent numbers greater than 9. When a number is written as a sequence of decimal digits, its value can be interpreted using the positional value of each digit in the number. The positional number system is a system or writing numbers where the value of a digit depends not only on the digit, but also on its placement within a number.

Question: 3

What is binary number system?

There are only two digits in the binary system namely 0 and 1. The numbers in the binary system are represented to the base two and the positional multipliers are the powers of two. The left most bit in the binary number is called as the Most Significant Bit (MSB) and it has the largest positional weight. The right most bit is the Least Significant Bit (LSB) and has the smallest positional weight.

Question: 4

What is a literal?

A literal is the appearances of a variable or its complement in a Boolean expression.

Question: 5

What is Boolean Algebra?

Boolean algebra is a mathematical discipline that is used for designing digital circuits in a digital computer. It describes the relation between inputs and outputs of a digital circuit. A Boolean variable is a variable having only two possible values such as true or false or as 1 or 0. The basic logical operations are AND, OR, NOT which are symbolically represented by dot, plus sign and by over bar/single apostrophic.

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