Q: What does ASCII stand for?
Solution: The ASCII codes are used to represent the bits into symbols and vice versa. ASCII is the American Standard Code which is used to exchange information.
Q: The decimal representation for the character ‘!’ in ASCII is ____________
Solution: The decimal representation of a few basic characters are: 33 : ! 34 : ” 35: # 36 :$.
Q: The two types of ASCII are _____________ and ____________
Solution: The two types of ASCII are ASCII-7 and ASCII-8. ASCII-7 uses 7 bits for the representation of numbers and ASCII-8 uses 8-bits.
Q: Any set of digits or alphabets are generally referred as ______________
Solution: We refer to the digits and alphabets generally as characters. A character is generally a unit of information in computers.
Q: The first 128 characters are the same in both the types of ASCII i.e. ASCII-7 and ASCII-8.
Solution: There are two types of ASCII codes: ASCII-7 and ASCII-8. ASCII-7 uses 7 bits to represent a number whereas ASCII-8 uses 8-bits to represent a number.
Q: The number of characters that can be represented in ASCII-8 are ______________
Solution: ASCII-8 can represent 256 different characters. ASCII-8 uses 8-bits for the representation of numbers i.e. it can represent 28 = 256 different characters.
Q: The zone of alphabetic characters from A to O in ASCII is _____________
Solution: The zone used by ASCII for alphabets is 0100. For e.g. A is represented as 0100(zone)0001(digit). The hex equivalent is 41 for A. The zone used by numbers is 0011.
Q: The representation of the number 8 in binary in ASCII-8 format _________
Solution: The ASCII-8 format will have 8 bits. The zone for the character 8 is 0011 and the digit is 1000. Therefore, its representation is 00111000.
Q: Binary Coding for the letter X is ______________
Solution: The binary coding for the letter X is 01011000. Here, 0101 is the zone whereas 1000 is the digit. The alphabets from P to Z have the zone 0101.
Q: Express the ASCII equivalent of the signed binary number (00110010)2.
Solution: The ASCII characters for the remaining options are: 1 : 00110001 A : 01000001 , : 00101100.
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