Short
Answer Questions: (
1.
What is Bit?
Ans: The smallest
and basic unit of information in digital computer is called a bit. Bit is the abbreviation
of Binary Digit.
2.
What do you mean by base/radix?
Ans: The base or
radix of a number system represents the number of digits or basic symbols
in that particular number system.
3.
What are the different number
systems are available for in computer system?
Ans: There are four basic number systems:
i)
Binary Number systems
ii)
Octal Number systems
iii)
Decimal Number systems
iv)
Hexadecimal Number
systems
4.
What is the base of
binary number system and what are the digits used for binary number system?
Ans: Numbers with
base 2 represent the binary numbers, which includes only two digits 0
and 1.
5.
What is the base of
octal number system and what are the digits used for octal number system?
Ans: The numbers
with base 8 represent the octal numbers, ranging digits from 0 to 7.
6.
What is the base of
decimal number system and what are the digits used for decimal number system?
Ans: The
numbers with base 10 represent the decimal numbers, ranging digits from
0 to 9.
7.
What is the base of
Hexadecimal number system and what are the digits used for Hexadecimal number
system?
Ans: The Hexadecimal
number system has base 16 and contain 16 symbols, from 0 to 9
and A to F.
8.
How the decimal number
system converts into another base of number system?
Ans: To convert from
decimal to a different number base such as Octal, Binary or Hexadecimal
involves repeated division by that number base, Keep dividing until the
quotient is zero, Use the remainders in reverse order as the digits of the
converted number.
9.
How can BaseN
number system may be converted into decimal number system?
Ans: To convert from
BaseN to Decimal number, Multiply each digit by increasing powers of the base
value and add the terms
10. Write down something about following:
i)
ASCII
ii)
EBCDIC
iii)
UNICODE
Ans: i) ASCII
(American Standard
Code for Information Interchange) code represents each
character in a standard character set as a single byte binary code.
ii) EBCDIC was one of the first widely-used computer codes that
supported upper and lowercase alphabetic characters, in addition to special
characters, such as punctuation and control characters.
iii) A universal character standard was developed that
supports a more character sets, called Unicode.
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