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8. ASCII-7 can represent ………………… characters.
a. 256 b. 1024
c. 65536 d. 128
9. Which of the following is the most popular Unicode encoding scheme?
a. UTF-16 b. UTF-8
c. UTF-32 d. UTF-64
B. Fill in the blanks:
1. ………………… is a process of assigning numeric code to character set of different human languages.
2. In signed magnitude notation, the sign bit is assigned ………………… for negative numbers.
3. -10 will be represented as ………………… in 8-bit signed magnitude notation.
4. -0 will be represented as ………………… in 8-bit One’s complement method.
5. Two’s complement representation of 0 in 8-bit notation is ………………… .
6. Single precision numbers have a bias of ………………… .
7. 1001101 in normalised notation will be represented as ………………… .
8. Double precision numbers have ………………… bit exponent and ………………… bit mantissa.
9. The Octal notation in BCD coding for the word GO is ………………… .
10. Digits have ASCII values in the range ………………… .
11. ………………… encoding scheme is designed to represent the character set of Indian languages.
12. UTF stands for ………………… .
C. Answer the following questions:
1. Write one advantage and disadvantage each of signed magnitude notation.
2. Find one’s and two’s complement of -57.
3. Evaluate the following:
a. 65 << 2
b. 65 >> 2
c. 65 >>> 2
4. Evaluate the following bitwise operation:
a. 23 | 19
b. 23 & 19
c. 23 ∧ 19
5. Express 22.5 in mantissa exponent notation.
6. Convert the following single precision number to decimal:
0 00000011 00010111000000000000000
7. Write the ASCII equivalent of Java:
a. SKY b. car c. Dad
8. Mention the range of ASCII codes of:
a. Control characters
b. Uppercase characters
c. Lowercase characters
d. Digits
9. What is ISCII? How many Indian languages are covered by this encoding scheme?
10. Why Unicode is the most popular encoding scheme?
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