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Computer System Architecture

Total questions: 35

Worksheet time: 21mins

Name
Class
Date
1.

Identify the name of this Logic Gate

a)
AND Gate
b)
OR Gate
c)
Inverter
d)
NAND Gate
2.

Identify the name of this Logic Gate

a)
AND Gate
b)
OR Gate
c)
Inverter
d)
NAND Gate
3.

Identify the name of this Logic Gate

a)
AND Gate
b)
OR Gate
c)
Inverter
d)
NAND Gate
4.

Identify the name of this Logic Gate

a)
AND Gate
b)
OR Gate
c)
Inverter
d)
NAND Gate
5.

Identify the name of this Logic Gate

a)
AND Gate
b)

NOR Gate

c)
Inverter
d)
NAND Gate
6.

Identify the name of this Logic Gate

a)
AND Gate
b)

NOR Gate

c)

XOR Gate

d)
NAND Gate
7.

Identify the name of this Logic Gate

a)

XNOR Gate

b)

NOR Gate

c)

XOR Gate

d)
NAND Gate
8.

The Input give complement or opposite at the Output

a)

Inverter

b)

AND Gate

c)

OR Gate

d)

NAND Gate

9.

Produces a High Output only when all the input are High

a)

Inverter

b)

AND Gate

c)

OR Gate

d)

NAND Gate

10.

Produces a High Output when only one of the input are High

a)

Inverter

b)

AND Gate

c)

OR Gate

d)

NAND Gate

11.

Produces a High Output when only one of the input are Low

a)

Inverter

b)

AND Gate

c)

OR Gate

d)

NAND Gate

12.

Produces a High Output when all of the input are Low

a)

XNOR Gate

b)

XOR Gate

c)

NOR Gate

d)

NAND Gate

13.

Produces a High Output when the input are Different

a)

XNOR Gate

b)

XOR Gate

c)

NOR Gate

d)

NAND Gate

14.

Produces a High Output when the input are Same

a)

XNOR Gate

b)

XOR Gate

c)

NOR Gate

d)

NAND Gate

15.

The ALU carries out arithmetic and logic operations. It processes _____ numbers rather than decimal numbers.

a)

binary

b)

decimal

c)

hexadecimal

d)

All of the above

16.

An OR gate can be imagined as

a)

switches connected in series.

b)

switches connected in parallel

c)

MOS transistors connected in series

d)

All of the above

17.

A NOR gate has two or more input signals. All input must be _____ to get a high output

a)

low

b)

highC

c)

1'sD

d)

some low some high

18.

Which of the following expressions is in the sum-of-products (SOP) form?

a)

(A + B)(C + D)

b)

(A)B(CD)

c)

AB(CD)

d)

AB + CD

19.

From the truth table above , determine the standard SOP expression.

a)

A'B'C' + ABC+AB'C

b)

ABC + ABC + ABC

c)

A'B'C + A'BC + ABC'

d)

AB'C + A'BC + ABC'

20.

n Boolean algebra, A + 1 = 1.

a)

True

b)

False

21.

In Boolean algebra, A+AB= A.

a)

True

b)

False

22.

A Karnaugh map is similar to a truth table because it presents all the possible values of input variables and the resulting output of each value.

a)

True

b)

False

23.

By applying De Morgan's theorem to a NOR gate, two identical truth tables can be produced.

a)

True

b)

False

24.

How many gates would be required to implement the following Boolean expression before simplification? XY + X(X + Z) + Y(X + Z)

a)

1

b)

2

c)

4

d)

5

25.

Type of Flip-Flop

a)

SR FLIP-FLOP

b)

CLOCKED SR FLIP-FLOP

c)

JK FLIP-FLOP

d)

T FLIP-FLOP

e)

D FLIP-FLOP

26.

What is Binary Number?

a)
A binary number is a number in the base-10 numeral system.
b)
A binary number can include digits 0-9 and letters A-F.
c)
A binary number is a number in the base-2 numeral system, using only 0 and 1.
d)
A binary number is a complex mathematical equation.
27.

What is Octal Number?

a)
A number system based on base-10.
b)
A hexadecimal number system using base-16.
c)
An octal number is a number expressed in the base-8 numeral system.
d)
A binary number system using base-2.
28.

What is Decimal NUMBER?

a)
A decimal number is always a whole number.
b)
A decimal number is only used in computer programming.
c)
A decimal number cannot have a fractional part.
d)
A decimal number is a number that includes a decimal point, representing a value that is not whole.
29.

What is Hexadecimal Number?

a)
A hexadecimal number is a number expressed in the base-16 numeral system.
b)
A hexadecimal number is a type of binary number.
c)
A hexadecimal number is a color code used in web design.
d)
A hexadecimal number is a number expressed in the base-10 numeral system.
30.

Change 5678 into decimal number

a)

37710

b)

37910

c)

37510

d)

37610

31.

Change 162.378 into decimal number

a)

117.3610

b)

114.3110

c)

115.3410

d)

411.1310

32.

Change 7C.BA16 into decimal number

a)

117.366562510

b)

124.316562510

c)

125.726562510

d)

141.866562510

33.

Change 10101100101.1001001 to Hexadecimal

a)

565.9216

b)

597.9216

c)

565.9416

d)

575.9216

34.

Change AB34.39EF to binary

a)

1010101100110100.00111001111011112

b)

1010101100110100.0011100111101112

c)

1010101000110100.00111001111011112

d)

1010101100110001.00111001111011112

35.

Change 101011101.1010 into Octal

a)

534.58

b)

575.58

c)

535.68

d)

535.58

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