CT3

Question 1

What are the numbers that make up the binary line?

Answer 1

128, 64, 32, 16, 8, 4, 2, 1

Question 2

What numbers are binary?

Answer 2

1 and 0

Question 3

What does 0 mean?

Answer 3

on

Question 4

What does 1 mean?

Answer 4

off

Question 5

Why are there only two numbers in binary?

Answer 5

only language the computer understands

Question 6

0+0

Answer 6

0

Question 7

0+1

Answer 7

1

Question 8

1+0

Answer 8

1

Question 9

1+1

Answer 9

0 carry 1

Question 10

1+1+1

Answer 10

1 carry 1

Question 11

`16 x 1

Answer 11

16

Question 12

16 x 2

Answer 12

32

Question 13

16 x 3

Answer 13

48

Question 14

16 x 4

Answer 14

64

Question 15

16 x 5

Answer 15

80

Question 16

16 x 6

Answer 16

96

Question 17

16 x 7

Answer 17

112

Question 18

16 x 8

Answer 18

128

Question 19

16 x 9

Answer 19

144

Question 20

16 x 10

Answer 20

160

Question 21

16 x 11

Answer 21

176

Question 22

16 x 12

Answer 22

192

Question 23

What is the Hexadecimal line

Answer 23

0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F

Question 24

How to convert HEX to dinery?

Answer 24

-Times the first number by 16
-Add the other number to the answer

Question 25

How to convert dinery to HEX?

Answer 25

-Divide the number by 16
-Convert it into HEX by using the HEX line

Question 26

What is a NOT gate?

Answer 26

-One input
-output is the opposite of the input

Question 27

What is the truth table for a NOT gate?

Answer 27

P-Q
0-1
1-0

Question 28

What does a NOT gate look like?

Answer 28

One input going to a triangle with a circle t the top, then has one output.

Question 29

What is an AND gate?

How many inputs and outputs?

Answer 29

-Two inputs
-One output

Question 30

What is the truth table for an AND gate?

Answer 30

A-B - Q
0-0 - 0
1-0 -0
0-1 - 0
1-1- 1

Question 31

What does an AND gate look like?

Answer 31

-Two inputs
-rectangle with a rounded edge
-one output

Question 32

What is an OR gate?

How many inputs and outputs?

Answer 32

-Two inputs
-One output

Question 33

What is the truth table for an OR gate?

Answer 33

A-B - Q
0-0 - 0
1-1 - 1
0-1 - 1
1-0 - 1

Question 34

What does an OR gate look like?

Answer 34

-Two inputs
-Into an arrow shape
-One output

Question 35

What is a computer system made of?

Answer 35

Input, output and storage devices

Question 36

What are the common components of a computer system?

Answer 36

RAM, ROM, CPU, Motherboard, hard drive, BIOS

Question 37

What are the main functions of the operating system?

Answer 37

File management
User management
User interface
Memory management
Device management

Question 38

What does the operating system provide?

Answer 38

security- username and passwords and firewalls

Question 39

What are variables?

Answer 39

Stores data and memories.

Question 40

How many pieces of data can a variable hold??

Answer 40

1

Question 41

What happens to the variable is you run your code??

Answer 41

It changes

Question 42

What are the 5 different data types??

Answer 42

Char (Character)
String
Integer
Float
Boolean

Question 43

What is a string in code?

Answer 43

anything in speech marks or a mixture of letters and numbers.

Question 44

What is an integer??

Answer 44

whole numbers

Question 45

What is a float??

Answer 45

decimal

Question 46

What is a boolean?

Answer 46

Yes/No or True/False

Question 47

How do you write comments in code?

Answer 47

Start with a #

Question 48

What are the four command words?

Answer 48

print()
input
if:
else:

Question 49

What are the two errors that can come up in code?

Answer 49

logic
syntax

Question 50

What will happen to the code if there is a logic error?

Answer 50

code run but output will not be correct

Question 51

What is a syntax error?

Answer 51

not run code

Question 52

Arrow with a line inside?

Answer 52

Storage