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Punjab (PTB) · Chapter test · Free

1st Year Business Maths Chapter 6 TestUNIT 6: Binary Number System and its Operations

30 marks · 40 minutes · 21 questions. Covers: UNIT 6: Binary Number System and its Operations.

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1st Year Business Maths Chapter 6 Test

1st Year · Business Maths · Punjab (PTB)

Name: ____________Roll No: ________Class/Section: ________Date: ________Total marks: 30Time: 40 minutes

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

  1. The decimal number 23 in simplest form is:

    1. 3(10)0+2(10)1

    2. 2(10)0+3(10)1

    3. 2(10)0+3(10)2

    4. 3(10)+2(10)2

  2. (9)10 in binary system is:

    1. (1010)2

    2. (1001)2

    3. (1100)2

    4. (1000)2

  3. In the binary system 2 equals to:

    1. (10)2

    2. (11)2

    3. (101)2

    4. (110)2

  4. In computer 0 & 1 respectively is used for:

    1. On only

    2. Off only

    3. On & off

    4. Off & on

  5. Convert 37 into binary number is:

    1. (100111)2

    2. (111101)2

    3. (100101)2

    4. (111000)2

  6. Binary number system is based in the digits:

    1. 0 to 9

    2. 0 to 1

    3. 0 to 7

    4. 0 to 15

  7. Concersion of (7)10 equivalent to binary number gives:

    1. (110)2

    2. (112)2

    3. (111)2

    4. (101)2

  8. (11)10 = ......:

    1. (1101)2

    2. (1011)2

    3. (1010)2

    4. (1111)2

  9. The number system used in our every day life is:

    1. Binary

    2. Decimal

    3. Octal

    4. Hexadecimal

  10. The binary number system to based on digits?

    1. (1,2)

    2. (0,2)

    3. (0,1)

    4. (3,4)

Q2. Short questions (Attempt any 6 of 8 · 6 × 2 = 12)

  1. Convert the following binary number into decimal number. 

  2. Convert the following decimal number into binary number system. 93

  3. Simplify: (1001)2+(11)2.

  4. Convert the following decimal number into binary number system. 27

  5. Convert the following binary number into decimal number. (001)2

  6. Convert the following decimal number into binary number system. 99

  7. Add the binary numbers (1011)2 and (1001)2.

  8. Convert the following decimal number into binary number system. 8

Q3. Long questions (Attempt any 2 of 3 · 2 × 4 = 8)

  1. Simplify: (1011100)2-(111100)2.

  2. Simplify: {(1011100)2+(111100)2}-{(10000)2-(1111)2}.

  3. Simplify: {(100111)2+(10101)2}-(10111)2.