IT Year 8 Assessment

Question 1

What is Boolean logic?

Answer 1

Boolean logic is a form of algebra that uses true or false values to create logical statements.

Question 2

True or False: In Boolean logic, the values can only be true or false.

Answer 2

True

Question 3

What are the basic operations in Boolean logic?

Answer 3

The basic operations are AND, OR, and NOT.

Question 4

Fill in the blank: The result of an AND operation is true only if both inputs are ______.

Answer 4

true

Question 5

What does the OR operation do in Boolean logic?

Answer 5

The OR operation returns true if at least one of the inputs is true.

Question 6

What is a pixel?

Answer 6

A pixel is the smallest unit of a digital image or display that can be displayed or manipulated.

Question 7

True or False: A pixel can represent multiple colors.

Answer 7

True

Question 8

What is the purpose of data compression?

Answer 8

Data compression reduces the size of a file to save storage space or transmission time.

Question 9

What does JPEG stand for?

Answer 9

JPEG stands for Joint Photographic Experts Group.

Question 10

Fill in the blank: JPEG is a commonly used method of ______ compression.

Answer 10

lossy

Question 11

What is the main advantage of JPEG compression?

Answer 11

The main advantage is that it significantly reduces file size while maintaining acceptable image quality.

Question 12

True or False: Inkscape is a vector graphics editor.

Answer 12

True

Question 13

What does vector graphics use to represent images?

Answer 13

Vector graphics use mathematical equations to represent shapes and lines.

Question 14

What is the primary file format used by Inkscape?

Answer 14

The primary file format used by Inkscape is SVG (Scalable Vector Graphics).

Question 15

Fill in the blank: In Inkscape, you can create graphics by combining ______ and shapes.

Answer 15

paths

Question 16

What does the term ‘resolution’ refer to in digital images?

Answer 16

Resolution refers to the amount of detail an image holds, typically measured in pixels per inch (PPI).

Question 17

True or False: Higher resolution images have more detail than lower resolution images.

Answer 17

True

Question 18

What is the difference between lossy and lossless compression?

Answer 18

Lossy compression reduces file size by removing some data, while lossless compression reduces size without losing any data.

Question 19

What is a bitmap?

Answer 19

A bitmap is a type of image file that represents a picture as a grid of colored pixels.

Question 20

Fill in the blank: The process of converting an image into a digital format involves ______.

Answer 20

sampling

Question 21

What is a raster graphic?

Answer 21

A raster graphic is an image composed of pixels, which can lose quality if resized.

Question 22

True or False: Vector graphics can be scaled infinitely without losing quality.

Answer 22

True

Question 23

What is the primary use of the AND operation in Boolean logic?

Answer 23

The AND operation is used to determine if multiple conditions are true simultaneously.

Question 24

What is the role of the NOT operation in Boolean logic?

Answer 24

The NOT operation inverts the truth value of a Boolean variable.

Question 25

Fill in the blank: In Inkscape, you can create text by using the ______ tool.

Answer 25

text

Question 26

What is compression artifacting?

Answer 26

Compression artifacting refers to the visible distortions that occur in an image due to lossy compression.

Question 27

True or False: Inkscape supports the import and export of multiple file formats.

Answer 27

True

Question 28

What is the difference between a vector and a raster image?

Answer 28

Vector images are made of paths, while raster images are made of pixels.

Question 29

What is an SVG file?

Answer 29

An SVG file is a Scalable Vector Graphics file that uses XML to describe two-dimensional graphics.

Question 30

Fill in the blank: In Boolean logic, the expression A OR B is true if ______.

Answer 30

either A or B or both are true.

Question 31

What does the term 'color depth' refer to?

Answer 31

Color depth refers to the number of bits used to represent the color of a single pixel.

Question 32

True or False: Higher color depth allows for more colors in an image.

Answer 32

True

Question 33

What is dithering in the context of images?

Answer 33

Dithering is a technique used to create the illusion of color depth in images with a limited color palette.

Question 34

Fill in the blank: The basic colors in the RGB color model are ______, ______, and ______.

Answer 34

Red, Green, Blue

Question 35

What does the term 'aliasing' refer to in digital graphics?

Answer 35

Aliasing refers to the visual stair-stepping of edges that occurs in digital images.

Question 36

True or False: Anti-aliasing is a technique used to reduce the effects of aliasing.

Answer 36

True

Question 37

What is the primary advantage of using vector graphics for illustrations?

Answer 37

Vector graphics can be scaled to any size without loss of quality.

Question 38

What is a pixelated image?

Answer 38

A pixelated image is one that appears blocky or blurry due to low resolution.

Question 39

Fill in the blank: The process of creating and editing vector graphics is often referred to as ______ design.

Answer 39

vector

Question 40

What is the purpose of layers in Inkscape?

Answer 40

Layers in Inkscape allow for organizing different elements of a graphic for easier editing.

Question 41

True or False: In Inkscape, you can group objects together.

Answer 41

True

Question 42

What is a path in vector graphics?

Answer 42

A path is a series of points connected by lines or curves in vector graphics.

Question 43

Fill in the blank: The primary benefit of using compression is to reduce ______.

Answer 43

file size

Question 44

What is the significance of the term 'bit' in digital data?

Answer 44

A bit is the smallest unit of data in computing, representing a binary value of 0 or 1.

Question 45

True or False: The color model used in digital images can affect the file size.

Answer 45

True

Question 46

What is a histogram in image processing?

Answer 46

A histogram is a graphical representation of the distribution of pixel values in an image.

Question 47

Fill in the blank: The ______ tool in Inkscape allows you to create curves and lines.

Answer 47

pen

Question 48

What does the term 'resolution independence' refer to?

Answer 48

Resolution independence refers to the ability of a graphic to maintain quality at any size.

Question 49

True or False: The AND operation can be represented by multiplication in Boolean algebra.

Answer 49

True

Question 50

What is the role of the OR operation in decision-making?

Answer 50

The OR operation allows for multiple conditions to be satisfied for a true outcome.

Question 51

Fill in the blank: The ______ operation is used to negate a Boolean value.

Answer 51

NOT

Question 52

What is the primary function of the 'Select' tool in Inkscape?

Answer 52

The Select tool is used to choose and manipulate objects on the canvas.

Question 53

True or False: JPEG files can only store black and white images.

Answer 53

False

Question 54

What is the influence of compression on image quality?

Answer 54

Compression can reduce image quality, especially with lossy methods.

Question 55

Fill in the blank: In Boolean logic, the output of A AND B is true when both A and B are ______.

Answer 55

true

Question 56

What is the effect of increasing the pixel density in an image?

Answer 56

Increasing pixel density results in a sharper and more detailed image.

Question 57

True or False: Inkscape can be used to create animations.

Answer 57

False

Question 58

What does the term 'bitmap' refer to in digital graphics?

Answer 58

A bitmap is a type of image format that represents images as a grid of pixels.

Question 59

Fill in the blank: The ______ tool in Inkscape allows for the manipulation of the fill and stroke of objects.

Answer 59

Fill and Stroke

Question 60

What is an image's aspect ratio?

Answer 60

An image's aspect ratio is the ratio of its width to its height.

Question 61

True or False: The aspect ratio must always remain constant when resizing an image.

Answer 61

False

Question 62

What is the purpose of using layers in graphic design software?

Answer 62

Layers allow designers to separate and organize different elements for easier manipulation.

Question 63

Fill in the blank: A ______ is a collection of pixels that form a complete image.

Answer 63

bitmap

Question 64

What is the primary function of the 'Shape' tool in Inkscape?

Answer 64

The Shape tool is used to create basic geometric shapes like rectangles and circles.

Question 65

True or False: Vector graphics can be more complex than raster graphics.

Answer 65

False

Question 66

What is the significance of using layers in Inkscape?

Answer 66

Layers help in organizing different components of a graphic for better editing and management.

Question 67

Fill in the blank: The process of ______ involves reducing the number of colors in an image to decrease file size.

Answer 67

quantization

Question 68

What is the role of anti-aliasing in digital graphics?

Answer 68

Anti-aliasing smooths out jagged edges in images to improve visual quality.

Question 69

True or False: The quality of an image can degrade with repeated saving in a lossy format.

Answer 69

True

Question 70

What is the significance of the 'Export' function in Inkscape?

Answer 70

The Export function allows users to save their work in various file formats for use outside of Inkscape.

Question 71

Fill in the blank: The ______ color model is based on the primary colors of light.

Answer 71

RGB

Question 72

What is the advantage of using lossy compression over lossless compression?

Answer 72

Lossy compression typically results in smaller file sizes at the cost of some image quality.

Question 73

True or False: Compression always results in a loss of image quality.

Answer 73

False

Question 74

How many bits are in a byte?

Answer 74

8

Question 75

How many bits are in a nibble?

Answer 75

4

Question 76

How many bytes are in a kilobyte?

Answer 76

1024

Question 77

How many kilobytes are in a megabyte?

Answer 77

1024

Question 78

How many megabytes are in a gigabyte?

Answer 78

1024