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🖥️CS PAL SESSION 1 |SC015 CHAPTER 1: COMPUTER SYSTEM 🔌

Total questions: 30

Worksheet time: 16mins

Name
Class
Date
1.
How many entries for (A+B)C expression on the Truth Table
a)
3
b)
6
c)
8
d)
None
2.

Name two components of the CPU architecture.

a)

Input Unit

b)

Control Unit, Arithmetic Logic Unit (ALU)

c)

Output Unit

d)

Memory Unit

3.

Which of the following scenarios is the only one where R would be 0 in this circuit?

a)

If all of the switches were on

b)

If all of the switches were off

c)

If half of the switches were on

d)

If only one of the switches were on

4.
Which logic gate is this?
a)

XNOR

b)
NAND
c)
XOR
d)
NOR
5.
  1. 1. Which logic gate produces false output only if all inputs are true?

a)

NAND gate

b)

AND gate

c)

OR gate

d)

XOR gate

6.

It has only one input and will reverses the logic state of the gate.

a)

NOR

b)

OR

c)

NOT

d)

XNOR

7.
What kind of gate does this Truth Table represent?
a)
AND
b)
OR
c)
NOT
d)
NOR
8.

Logic statement for Y2Y_2  

a)

 B+CB+C  

b)

 C+DC+D  

c)

 ABCDA\cdot B\cdot C\cdot D  

d)

 CDC\cdot D  

e)

 A+B+C+DA+B+C+D  

9.

Logic statement for Y1Y_1  

a)

 ABA\cdot B  

b)

 A+BA+B  

c)

 ABCDA\cdot B\cdot C\cdot D  

d)

 CDC\cdot D  

e)

 A+B+C+DA+B+C+D  

10.

What is the output Y of this logic circuit if A = 1, B = 1, and C = 1

a)

0

b)

1

11.

What type of logic gate is this table showing?

a)

OR

b)

AND

c)

NOT

12.

what is a output?

a)

0

b)

1

13.
What kind of gate does this Truth Table represent?
a)
NAND
b)
AND
c)
XAND
d)
OR
14.

What is the value of X?

(a)  

15.

Which is not an Information Coding Scheme?

a)

ASCII

b)

EBCIDIC

c)

UNICODE

d)

EBCDIC

16.
How many bits are in an ASCII character?
a)
16
b)

8

c)
7
d)
4
17.
Determine the value of the following expression (x = 1) AND (y = 3), if x = 1 and y = 2
a)
1
b)
0
c)
3
d)
None
18.
What logic circuit function performs the inverter function?
a)
AND
b)
OR
c)
NOT
d)
NOR
19.
What is the value of the expressions NOT (p) + q
given p = 0, q = 1?
a)
1
b)
0
c)
2
d)
None
20.

Console is an _______________ device.

a)

input

b)

output

21.

Monitor is an _______________ device.

a)

input

b)

output

22.

Keyboard is an _______________ device.

a)

input

b)

output

23.

What is ASCII?

a)

American Standard code for Information Interchange

b)

American Standard Code for Internet Interchange

c)

American Standard Coding for International Interchange

d)

American Standard Code for Input Interchange

24.

"The burglar alarm will go off if either the door or the window or both are opened". This is an example of which type of Logic?

a)

OR

b)

XOR

c)

NAND

d)

AND

25.

Once data is input into a computer system what happens?

a)

The data is saved

b)

The data is processed by CPU

c)

The data is input

26.

Reema has put water in freezer so that she can have ice cubes. What will be the process in this task?

a)

freezing

b)

ice

c)

ice cubes

27.

Identify the output in the following picture.

a)

baking

b)

ingredients

c)

cake

28.

What is bit?

a)

A cookie

b)

The smallest unit in computer

c)

The smallest piece of memory

d)

The smallest of anything

29.

What is bit?

a)

A cookie

b)

The smallest unit in computer

c)

The smallest piece of memory

d)

The smallest of anything

30.

What form of data does a computer store?

a)

Alphanumeric

b)

primary

c)

Binary

d)

High level