9th Computer New Course Binary System Unit-02

9th Computer New Course Binary System Unit-02

2.1 Multiple choice questions.

  1. Expression (A+B).(A+C) is equal to ____________________.

i. A+(B.C) (Correct Answer)

ii. A.B + A.C

iii. A.(B.C)

iv. A+(B+C)

2. The order of application of two separate terms is not important in ____________________.

i. Associative Law

ii. Commutative Law (Correct Answer)

iii. Distributive Law

iv. Identity Law

3. “Is it cold outside” is ____________________.

i. Boolean Proposition (Correct Answer)

ii. Categorical Proposition

iii. Moral Proposition

iv. None of above

4. Number “17” is equal to ____________________ in binary system.

i. 10000

ii. 10110

iii. 10001 (Correct Answer)

iv. 10100

5. 1 Petabyte is equal to ____________________.

6. Hexadecimal system has total ____________________ numbers.

i. 17

ii. 16 (Correct Answer)

iii. 18

iv. 15

2.3 Fill in the blanks.

  1. Temporary memory is ____________________ and permanent memory is ____________________.

Answer: volatile, non-volatile

2. Data to a processor is provided through ____________________.

Answer: RAM

3. At least ____________________ byte is required to store any piece of information in a computer’s memory.

Answer: one

4. ____________________ is used to assemble more than one propositions into one proposition.

Answer: Compound proposition

5. In primary and secondary storages, data is stored in the form of ____________________.

Answer: bytes

6. According to ____________________ law there is no change in results if priority of expressions is changed.

Answer: Associative

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