UNIQUE HIGH SCHOOLUNIQUE HIGH SCHOOL (AL I CAMPUS)(ALI CAMPUS)16 B-1, GHALIB MARKET GULBERG III LAHORE

Test: Computer Date: 07-10-15 Group AClass: 9th MARKS 20 (Test -1) Time : 40 Mint:

QNO:01. Choose the correct option. (4x1=4)

Sr. # MCQS A B C D

1 AND operation needs at least;

One input two inputs Two outputs a or b

2 A Boolean variable can have _________ possible values.

Only two values

- Values . , + both a and c

3 In a Boolean expression, first of all we evaluate _________.

+ . Complement (if no Parenthesis)

Division

4 If ‘x’ and ‘y’ are Boolean variables then __________.

x + (x.y) = x x + x.y = y x + x.y = x +y x.x+y=y

Q.NO.02: Answer the following Short Questions. (4x2=8)1. What is a truth table?2. What is a duality principle?3. Write down the disadvantages of Boolean algebraic laws. 4. What is Karnaugh Map?

LongQ: 3

a. Describe Minterms (Standard Product) and Maxterm (Standard Sum).b. Simplify using K-map.

f (x, y, z) = (2x4=8)

UNIQUE HIGH SCHOOLUNIQUE HIGH SCHOOL (AL I CAMPUS)(ALI CAMPUS)16 B-1, GHALIB MARKET GULBERG III LAHORE

Test: Computer Date: 07-10-15 Group AClass: 9th MARKS 20 (Test -1) Time : 40 Mint:

QNO:01. Choose the correct option. (4x1=4)

Sr. # MCQS A B C D

1 AND operation needs at least;

One input two inputs Two outputs a or b

2 A Boolean variable can have _________ possible values.

Only two values

- Values . , + both a and c

3 In a Boolean expression, first of all we evaluate _________.

+ . Complement (if no Parenthesis)

Division

4 If ‘x’ and ‘y’ are Boolean variables then __________.

x + (x.y) = x x + x.y = y x + x.y = x +y x.x+y=y

Q.NO.02: Answer the following Short Questions. (4x2=8)5. What is a truth table?6. What is a duality principle?7. Write down the disadvantages of Boolean algebraic laws. 8. What is Karnaugh Map?

LongQ: 3

c. Describe Minterms (Standard Product) and Maxterm (Standard Sum).d. Simplify using K-map.

f (x, y, z) = (2x4=8)