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Chapter 1-Computer System

Total questions: 40

Worksheet time: 8mins

Name
Class
Date
1.

Four operations involved in IPC are listed as follows except

a)

Process

b)

Input

c)

Outlook

d)

Storage

2.

Computer is an electronic device that can

a)

produce result

b)

accept data

c)

store result

d)

process data

e)

all above

3.
  1. Component of a computer is hardware and software
a)

True

b)

False

4.
  1. Information is unprocessed text, numbers, images and video
a)

True

b)

False

5.

Software is a series of instructions that tells hardware how to perform tasks.

a)

True

b)

False

6.

use computer keyboard, bar code readers, scanners to put data into computer. The statement refers to ________ in IPC

a)

storage

b)

process

c)

output

d)

input

7.

Computer calculate the addition of the number entered by user. This statement refers to ___________ in IPC

a)

input

b)

Process

c)

Storage

d)

Output

8.

The statement Siti use her earphone to listen to the you tube channel is related to________ in IPC

a)

input

b)

process

c)

output

d)

storage

9.

Jenny save her assignment in google drive. State the operation in IPC for the activity

a)

output

b)

storage

c)

input

d)

process

10.

eight bits that are grouped

together as a unit. The statement refers to

a)

bit

b)

byte

c)

binary

d)

character

11.

1 MB =

a)

1024 bytes

b)

1024 GB

c)

1024 KB

12.

8 GB

= 8 x 1024 x 1024

a)

8,388,608 KB

b)

0.078TB

c)

0.078KB

13.

convert 1200 MB to GB

a)

1,228,800 GB

b)

1.17 GB

c)

0.00114 GB

14.

Number is a set of numerals to represent numbers.

a)

True

b)

False

15.

combining any digits from 0 to 9. The statement refers to

a)

binary

b)

decimal

c)

hexadecimal

16.

uses 16 symbols; 0,1,2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F.The statement refers to

a)

binary

b)

hexadecimal

c)

decimal

17.

•Convert the binary number 1110110 to decimal number.

a)

246

b)

11210

c)

11810

18.

convert binary number 110102 to hexadecimal number

a)

B116

b)

D016

c)

1A16

19.

•Convert decimal number 18 as binary number.

a)

10001

b)

10100

c)

100102

20.

ASCII can represent values which range from 0 to 256.

a)

True

b)

False

21.

In your opinion, which type of coding scheme used in handphone

a)

ASCII

b)

EBCDIC

c)

UNICODE

22.

Unicode can represent the range of 0 to 65535

a)

False

b)

True

23.

Similarity between ASCII and Unicode is the number of characters for each of them is 65536

a)

True

b)

False

24.

Difference between ASCII and EBCDIC regarding the number of character is 256

a)

True

b)

False

25.

Unicode has the capacity to represent all the world’s current languages since it uses 16 bits to represent a character.

a)

True

b)

False

26.

State number of bits used in UNICODE for the phrase of Matriculation in my heart

a)

200 bits

b)

184 bits

c)

400 bits

d)

368 bits

27.

State number of bits used in EBCDIC for the phrase Welcome to “K.M.K”

a)

136 bits

b)

144 bits

c)

272 bits

d)

288 bits

28.

State the number of bytes in UNICODE coding scheme for the phrase of Looking Good

a)

176

b)

192

c)

11

d)

12

29.

Identify the output of the following logic gates if m=1 and n=0 for gate NAND

a)

0

b)

1

30.

If m=1 and n=1, state the output for XOR gate

a)

1

b)

0

31.

State the logic gate name for the description It will produce true as output if and only if all inputs are true.

a)

OR

b)

NOR

c)

NAND

d)

AND

32.

State the logic gate name for the description The output is false if both inputs are true.

a)

NOR

b)

XOR

c)

NAND

d)

XNOR

33.

State the logic gate name for the description Its output is true if both inputs are false.

a)

NOR

b)

AND

c)

OR

d)

XOR

34.

Determine the number of gate for the Boolean expression Y= (AB)+C'

a)

1

b)

2

c)

3

d)

4

35.

Determine the number of gate for the Boolean expression Y= ((A'B')+C')'

a)

2

b)

3

c)

5

d)

6

36.

Determine the number of input for the Boolean expression Y= (A'B')+B'

a)

4

b)

3

c)

2

d)

1

37.

Based on the Boolean expression R = (XY + Z)’, state the output if X=0 Y= 1 and Z=0

a)

0

b)

1

38.

Based on the Boolean expression, Y = (A’C + BC’)’, state the value for Y if A=1, B=0, C=0

a)

1

b)

0

39.

State the number of input for NOT gate

a)

1

b)

2

c)

3

40.

State the number of gate for Boolean expression Y=(A'+B)C'

a)

1

b)

2

c)

3

d)

4