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1st_qz_2G_Intro_to_comp

Total questions: 15

Worksheet time: 13mins

Name
Class
Date
1.

Which of the following is true about SSDs compared to HDDs?

a)

SSDs are louder than HDDs because they have spinning disks.

b)

SSDs make less noise than HDDs because they have no moving parts.

c)

SSDs and HDDs produce the same level of noise.

d)

SSDs require cooling fans, which make them noisier than HDDs.

2.

Which of the following components is inserted into an expansion slot on a motherboard?

a)

RAM module

b)

Power supply unit

c)

Processor (CPU)

d)

Graphics card

3.

What is the main function of a storage device?‎

a)

Process data

b)

Store data permanently or temporarily

c)

Transmit data over networks

d)

Display data on a screen

4.

Convert 10101101 (binary) to octal.‎

a)

173

b)

531

c)

255

d)

135

5.

Convert the following number (‎5.75‎)10 from Decimal to Binary

a)

011.11

b)

101.11

c)

110.01

d)

101.01

6.

‎ Subtract 527₈ - 246₈.‎

a)

261

b)

281

c)

181

d)

361

7.

Subtract C2₁₆ - 4A₁₆.‎

a)

88

b)

78

c)

72

d)

82

8.

Convert 10011010 (binary) to hexadecimal.‎

a)

232

b)

9A

c)

A9

d)

92

9.

Add 1110₂ + 1011₂.‎

a)

11011

b)

10110

c)

11001

d)

10001

10.

what is the output if (x=0 ; y=0 ; z=1)

a)

1

b)

0

c)

10

d)

11

11.

Compute the 1’s complement‎ of (‎10101011‎)2

a)

11010101

b)

01010100

c)

11010100

d)

01010110

12.

Compute the 2's complement of (‎10110011)2

a)

11001101

b)

01000101

c)

01001101

d)

01001001

13.

what is the equivalent decimal value of the following 4-bit number if it is in the form of signed 1's complement?
(1000)2

a)

-7

b)

+8

c)

-0

d)

+0

14.

what is the equivalent decimal value of the following 4-bit number if it is in the form of signed 2's complement?
(1100)2

a)

+3

b)

-4

c)

-3

d)

+12

15.

Which logic circuit represents this truth table?

a)

OR

b)

XOR

c)

NAND

d)

NOR