Y8 EoY Revision

Question 1

How many bits are in a byte?

Answer 1

8

Question 2

What is the computer language that uses base 2?

Answer 2

Binary

Question 3

What are the 2 kinds of compression?

Answer 3

Lossy/Lossless

Question 4

Name a type of image file

Answer 4

PNG/JPG/GIF/BMP

Question 5

The highest number that can be represented in eight columns of binary is?

Answer 5

255

Question 6

In hexadecimal F is the character for?

Answer 6

15

Question 7

In hexadecimal A is the character for?

Answer 7

10

Question 8

The more of pixels in an image improves the?

Answer 8

Resolution

Question 9

What are the dots that make up a digital picture called?

Answer 9

Pixels

Question 10

What does an AND gate output when both inputs are true?

Answer 10

True

Question 11

What is the output of an OR gate if at least one input is true?

Answer 11

True

Question 12

True or False: A NOT gate inverts the input signal.

Answer 12

True

Question 13

Fill in the blank: The AND gate is also known as a ______ gate.

Answer 13

conjunction

Question 14

In Boolean algebra, what is the symbol for AND?

Answer 14

∧

Question 15

How many inputs can a standard AND gate have?

Answer 15

Two or more

Question 16

What is the truth table output for an OR gate with inputs (0, 0)?

Answer 16

0

Question 17

What is the truth table output for an AND gate with inputs (1, 0)?

Answer 17

0

Question 18

Which gate would you use to ensure both conditions must be true?

Answer 18

AND gate

Question 19

What is the output of a NOT gate if the input is 1?

Answer 19

0

Question 20

True or False: An OR gate outputs false only when both inputs are false.

Answer 20

True

Question 21

What is the output of an AND gate with inputs (1, 1)?

Answer 21

1

Question 22

Fill in the blank: The OR gate is also known as a ______ gate.

Answer 22

disjunction

Question 23

In Boolean algebra, what is the symbol for OR?

Answer 23

∨

Question 24

What would be the output of a NOT gate with an input of 0?

Answer 24

1

Question 25

What is the logical operation of an AND gate?

Answer 25

Conjunction

Question 26

What is the logical operation of an OR gate?

Answer 26

Disjunction

Question 27

How many possible input combinations are there for a 2-input AND gate?

Answer 27

4

Question 28

What are the two inputs of a NOT gate called?

Answer 28

Input and Output

Question 29

True or False: An AND gate can have an output of 1 with only one true input.

Answer 29

False

Question 30

What is the output of an OR gate with inputs (1, 0)?

Answer 30

1

Question 31

Fill in the blank: The output of an AND gate is true only if all inputs are ______.

Answer 31

true

Question 32

What is the output of an OR gate with inputs (0, 0)?

Answer 32

0

Question 33

What is the output of an AND gate with inputs (0, 1)?

Answer 33

0

Question 34

If input A is true and input B is false, what is the output of A AND B?

Answer 34

False

Question 35

What is the term for the output of a NOT gate?

Answer 35

Inverted output

Question 36

True or False: An OR gate can produce a true output with both inputs being false.

Answer 36

False

Question 37

What is the output of a NOT gate if the input is true?

Answer 37

False

Question 38

What is the primary use of AND, OR, and NOT gates in digital circuits?

Answer 38

To perform logical operations

Question 39

How do you express the logical operation 'A OR B' in Boolean notation?

Answer 39

A ∨ B

Question 40

What is the output of an AND gate if both inputs are false?

Answer 40

False

Question 41

Fill in the blank: The output of an OR gate is true if ______ of its inputs are true.

Answer 41

at least one