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PRE TEST CSA

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Choose the CORRECT Boolean Expression for NOR gate.

a)

X = (A + B)’

b)

X = A+ B

c)

 X = A* B

d)

X = (AB)’

2.

Identify FIVE (5) main components of a computer system.

a)

CPU, CD-Rom, mouse, Keyboard and sound card.

b)

Modem, Keyboard, Processor, Printer and Monitor

c)

CPU, Memory, Bus System, Input and Output

d)

CPU, Memory, Processor, Bus System and Output

3.

Convert the octal number 10010.01 into hexadecimal number.

a)

1008.18

b)

1008.0116

c)

1008.0416

d)

1002.416

4.

Identify the type of flip-flop based on the logic circuit given.

a)

SR NOR Flip-Flop (Active High)

b)

JK Flip-Flop With Clocked

c)

SR NAND Flip-Flop (Active Low) 

d)

SR Flip-Flop With Clocked

5.

Express the final value of the data execution programme segment in given Figure

a)

A

b)

12

c)

10

d)

16

6.

Choose the register that keeps track of the instruction stored in program that stored in memory

a)

Index Register

b)

Address Register

c)

Program Counter

d)

Accumulator

7.

Convert the statement in Figure given into CORRECT computer devices

a)

Topology bus

b)

Address bus

c)

Data bus

d)

Synchronous bus

8.

Convert into Reverse Polish Notation (RPN) for expression (A + B) / (C - D)

a)

AB/CD-+

b)

AB-CD+*

c)

AB+CD*/

d)

AB+CD-/

9.

Clarify the proses of execution of an instruction in Figure given

a)

Add immediate byte in octal value into data register.

b)

Add immediate byte in binary value into data register

c)

Add immediate word in binary value into data register.

d)

Add immediate byte in binary value into address register

10.

Select a mnemonic to do an aritmetic operation among data in assembly language.

a)

MOVE

b)

DIVU

c)

NOT

d)

OR