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3. Which of the following is not a Computer Numeral System?
a. Octal number system b. Hexadecimal number system
c. Decimal number system d. Rational number system
4. The base of a hexadecimal number is represented by ................................ .
a. A16 b. 16
c. 16A d. 15
5. The binary subtraction 1 – 1 = ................................ .
a. 1 b. -1
c. 9 d. 0
B. Fill in the blanks using the words given below.
Hints: 14, Octal, ,8 Binary number system, 1010
1. The binary equivalent of 10 is ................................ .
2. ................................ makes long binary numbers shorter and simpler.
3. In a hexadecimal number system, E represents the digit ................................ .
4. Base 2 is another name for the ................................ .
5. The most significant digit in the number 846 is ................................ .
C. Write ‘T’ for true and ‘F’ for false.
1. A decimal number system is made up of 10 digits from 1 to 10. ................................
2. LSD stands for Least Significant Digit. ................................
3. There are 8 symbols in the binary number system. ................................
4. Binary number system has made the representation of large values easy. ................................
5. (1429) represents Octal number system. ................................
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Section B (Subjective)
A. Short answer type questions:
1. Why do programmers prefer hexadecimal numbers?
2. Write down the difference between data and information.
3. What do you understand by Number system?
B. Long answer type questions:
1. Explain hexadecimal number system with example.
2. Convert (1001) to its decimal equivalent by illustrating position and weight.
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3. Tabulate the rules of binary subtraction.
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Number System

