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Quiz _Unit7

Total questions: 31

Worksheet time: 36mins

Name
Class
Date
1.

Which of the following numeral systems is a base-2 system?

a)

Octal

b)

Hexadecimal

c)

Binary

d)

Decimal

2.

True or False:
In the hexadecimal system, the number 1A3 represents the decimal number 419.

a)

True

b)

False

3.

(543)₁₀ = (................................) binary

a)

1110001110

b)

1000011111

4.

(1011.101)₂ = (.............................................) decimal

a)

11.625

b)

11.34

5.

(101010)₂ = (..................................) octal.

a)

44

b)

52

6.

Which logic gate has the following truth table:

  • Input A = 0, Input B = 0 → Output = 1

a)

AND

b)

OR

c)

XOR

d)

NOR

7.

Which logic gate has the following truth table:

  • Input A = 0, Input B = 0 → Output = 0

a)

AND

b)

OR

c)

XOR

d)

All of them

8.

True or False:
The NAND gate is the inverse of the AND gate.

a)

True

b)

False

9.

The Boolean expression for an OR gate is written as ____.

a)

output = A+B

b)

output = A.B

c)

output = A'

10.

In a NOT gate, if the output is 1, then input = ............?

a)

1

b)

0

11.

What is the output of an XNOR gate when both inputs are Different?

a)

0

b)

1

c)

Erorr

12.

When A = 1 , B = 0 then Z =................

a)

0

b)

1

13.

When A = 0 , B = 1 , C = 0 then Y = ......................

a)

0

b)

1

14.
a)

0

b)

1

15.

switch is open the input = ....... , switch is close the input = ..........

a)

0 , 1

b)

1 , 1

c)

0 , 0

d)

1 , 0

16.

...........Gate can be represented as two switches connected in parallel

a)

AND

b)

OR

17.

True or False:

IC (SN 74 LS 00) its company is texas instruments and it is commercial and its technology based on low power with high speed and its function is NAND Gate

a)

True

b)

False

18.

in The combinational circuit its output at any time does not depend on the present input

a)

True

b)

False

19.

Half Adder has ......inputs , ..........outputs

a)

2 , 2

b)

2 , 1

c)

3 , 2

20.

Full Adder has ..........outputs , ...........inputs

a)

3 , 2

b)

2 , 2

c)

2 , 3

d)

2 , 1

21.

Each of inputs and outputs is a single bit number in Half Adder and Full Adder

a)

True

b)

False

22.

In multiplexer 4:1 there are ......selectors and in multiplexer 8:1 there are..........selectors

a)

Two , Two

b)

Two , Three

23.

In Multiplexer N : 1 there are ....output

a)

N

b)

1

24.

Decoder is the reverse operation of Encoder

a)

True

b)

False

25.

in sequential logic circuit the output depend on ........... and ............. inputs

a)

Present and Next

b)

Present and past

26.

The gates required to build a half adder are ...................,..............

a)

NOR , AND

b)

AND , XOR

27.

The truth table for an S-R flip-flop has how many VALID entries ?

a)

1

b)

3

c)

2

28.

in NAND Gate if the two inputs are 1 then the output is ............

a)

1

b)

0

29.

The meaning of MSB is ..........................................

a)

Most Significant Bit

b)

Middle Significant Bit

30.

Flip Flop are Latches with clock

a)

True

b)

False

31.

I believe in each one of you that you can do it and i am so proud of being part of your journey its my pleasure

wish you all the best and success

Good Luck my Creative students

نذاكر كويس من الكتاب ونحل بنك الاسئله وان شاء الله النجاح هيكون من نصيبكم ان شاء الله

If you read the message choose yes

a)

Yes

b)

No