QUESTION BANK

MCQs

1.What characteristic of RAM memory makes it not suitable for

permanent storage ?

(i)too slow (ii)unreliable (iii) it is volatile (iv) bulky

2. A single unit which is composed of small group of bits is known as

(i)bit (ii) bug (iii) flag (iv) byte

3. The ‘megabytes’ of computer storage capacity consists of

(i)One million bytes (ii) two million bytes(iii)three million

bytes(iv)four million bytes

4. A DVD is

(i)optical disk (ii)output device (iii)solid state storage (iv)hard disk

5. A small lever shaped device used to control movement on the

screen is classified as

(i)joystick (ii)mouse (iii) keyboard (iv)mice

6. Secondary storage memory is basically

(i)volatile memory (ii)non volatile memory(iii) impact memory

7. According to boolean law: A + 1 = ? (i) 1 (ii) A (iii) 0 (iv) A’

8. DeMorgan’s theorem states that _________

(i) (AB)’ = A’ + B’ (ii) (A + B)’ = A’ * B (iii) A’ + B’ = A’B’ (iv)

(AB)’ = A’ + B

9. The boolean function A + BC is a reduced form of ____________

(i) AB + BC (ii) (A + B)(A + C) (iii) A’B + AB’C (iv) (A + C)B

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4. MCQs TYPE question

computer system architecture (CS405)