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Worksheets

G9 ICT Pretest

Total questions: 38

Worksheet time: 31mins

Name
Class
Date
1.
What are the only two numbers you can use in binary?
a)
0 and 1
b)
1 and 2
c)
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
d)
1, 2, 4, 8, 16
2.
Which of these is the correct sequence for the place values for binary numbers?
a)
1, 2, 4, 8, 16, 32, 64, 128
b)
1, 2, 4, 6, 8, 10, 12, 14, 16
c)
1, 2, 3, 4, 5, 6, 7, 8
d)
0, 1
3.
What is the denary number system?
a)
It counts the number of dens
b)
Our usual base 10 number system
c)
A special number system for computers
d)
Den Ary's number system
4.
What is 1011 in denary?
a)
11
b)
14
c)
26
d)
1011
5.
Convert 128 to binary
a)
10000000
b)
01111110
c)
10000001
d)
11001100
6.
Convert 196 to binary
a)
11000110
b)
11100100
c)
11000100
d)
11010100
7.
Convert 11001100 to decimal
a)
224
b)
134
c)
104
d)
204
8.
Convert 00010001 to decimal
a)
17
b)
27
c)
37
d)
47
9.
Convert 01000100 to decimal
a)
58
b)
68
c)
78
d)
88
10.
Convert 65 to binary
a)
01100001
b)
00100001
c)
01000001
d)
00100101
11.
Convert 254 to binary
a)
11110000
b)
11111100
c)
11111111
d)
11111110
12.
Calculate the binary addition:
01
11
Use binary addition rules + whiteboards!
a)
101
b)
11
c)
111
d)
100
13.
What is the answer to 1010 + 0101?
a)
1011
b)
1001
c)
1111
d)
0111
14.
Add 3 binary numbers?
0100 0111
0000 1111
0001 1111
a)
0111 0101
b)
0010 1001
c)
0011 1111
d)
0010 0101
15.
What is the answer to 0110 + 0101?
a)
1011
b)
1101
c)
1110
d)
1111
16.
Part II
a)
11001000
b)
11000110
c)
11000111
17.
a)
01111011
b)
01101111
c)
01111101
d)
01101101
18.

The smallest unit of information is ?

a)

a byte (Pronounced: bite)

b)

a bit

c)

a nibble

d)

a block

e)

Fortran

19.

The smallest visual element on a video monitor is called what?

a)

Character

b)

Pixel

c)

Byte

d)

Kwerk

20.

In rgb(123,234,211), the value of 234 refers to

a)

blue

b)

green

c)

red

d)

black

21.

What symbol is used to multiply two numbers together?

a)

+

b)

=

c)

*

d)

/

22.

What symbol is used to either add two numbers together or join two strings?

a)

-

b)

=

c)

+

d)

*

23.

What would you put in an if statement to see if two values are equal?

a)

++

b)

==

c)

//

d)

||

24.
Identify the colors: RGB
a)
Red, Green, Blue
b)
Red, Gray, Blue
c)
Rose, Gray, Black
d)
Red, Green Black
25.
RGB is for displaying colors on computer screens. 
a)
True
b)
False
26.

If x represents the area of the number line colored green, which inequality accurately reflects the value of x?

a)

x < 3x\ <\ 3

b)

x > 3x\ >\ 3

c)

x  3x\ \le\ 3

d)

x  3x\ \ge\ 3

27.

Karel the Dog is instructed to move forward two spaces. Then, if Karel is standing on a ball, Karel will move forward two spaces. Otherwise, Karel will turn around and move forward one space. Given the starting point below, where will Karel end up?

a)
b)
c)
d)
28.

Which of the following statements are true about the impact of the Internet?

I. The Internet connects devices and networks all over the world

II. There are no negative consequences of the Internet, it is purely positive

III. The Internet helps people communicate

IV. The Internet helps people collaborate to solve problems

a)

I only

b)

I and II only

c)

I, III and IV

d)

I, II, III and IV

29.

Given the following program, how many times will Karel move?

function start(){

while(frontIsClear()){

move();

}

}

a)

0

b)

1

c)

5

d)

6

30.

Which of the following is an example of an HTML tag?

a)

#alert

b)

<p>

c)

font-size: 20 px;

d)

.paragraph

31.

Which of the following pixels has a color value of #00ff00 (expressed in hexadecimal)?

a)

White pixel

b)

Blue pixel

c)

Green pixel

d)

Red pixel

32.
a)

Motherboard

b)

CPU

c)

Operating System

d)

Floppy Disk

33.

How old is Mr. Knight?

a)

28

b)

29

c)

27

d)

30(old man!)

34.

What would be printed by the command

print('12-5')

a)

12-5

b)

'12-5'

c)

7

d)

'7'

35.

The ------------------ refers to the physical part of the computer.

a)

Software

b)

Hardware

c)

System unit

d)

Application

36.

What type of device is this?

a)

Input

b)

Output

37.

This Chip is responsible for commands and instructions in a computer/laptop or any other electronic device(Also known as the brain of a device), What does CPU stand for?

a)

Circuit Processing Unit

b)

Central Processing Unit

c)

Command Processing Unit

d)

Central Power Unit

38.

This Device is responsible for improving graphics in computer/laptop (PC Gamers use this for playing their games), What does GPU stand for?

a)

Graphics Performance Unit

b)

Graphics Power Unit

c)

Gaming Processing Unit

d)

Graphics Processing Unit