ACARA Digital Technologies Years 7–8 Crossword: Representing Text, Images and Sound (Modules 128–152)
Name:
Date:
Class:
✎
Crossword
Read each clue and write the matching term in the grid. Numbers in brackets show the letters in each word.
1
2
3
4
5
6
7
Across
- 1. Look up each character in the ______ table and write its ______ number in order. Capitals and lowercase differ, so Hi is 72 105 (H is 72, i is 105). Word 2 of: _____ _______ ____ (7)
- 4. Word 1 of the term in 1 Across: _____ _______ ____ (5)
- 6. Word 1 of the term in 2 Down: ______ _____ (6)
- 7. Word 1 of the term in 3 Down: _______ _____ (7)
Down
- 2. A picture made of a grid of tiny pixels, each storing its colour as numbers. Also called a bitmap. Photos are ______ images and look blocky (pixelated) when zoomed in. Word 2 of: ______ _____ (5)
- 3. Extra 0s added at the left of a binary number to fill a fixed number of bits. They do not change its value: 101 and 00000101 both mean 5. Word 2 of: _______ _____ (5)
- 5. Word 3 of the term in 1 Across: _____ _______ ____ (4)
- 6. A colour model where any screen colour is made by mixing red, green and blue light, written as three numbers (R, G, B). Each pixel on a screen uses its own three numbers. (3)
Answer Key
ACARA Digital Technologies Years 7–8 · Modules 128–152
1D
E
C
2I
M
A
L
M
3Z
4A
S
5C
I
I
E
G
O
6R
A
S
T
E
R
7L
E
A
D
I
N
G
O
E
B
S
Across
1DECIMAL — Look up each character in the ______ table and write its ______ number in order. Capitals and lowercase differ, so Hi is 72 105 (H is 72, i is 105). Word 2 of: _____ _______ ____
4ASCII — Word 1 of the term in 1 Across: _____ _______ ____
6RASTER — Word 1 of the term in 2 Down: ______ _____
7LEADING — Word 1 of the term in 3 Down: _______ _____
Down
2IMAGE — A picture made of a grid of tiny pixels, each storing its colour as numbers. Also called a bitmap. Photos are ______ images and look blocky (pixelated) when zoomed in. Word 2 of: ______ _____
3ZEROS — Extra 0s added at the left of a binary number to fill a fixed number of bits. They do not change its value: 101 and 00000101 both mean 5. Word 2 of: _______ _____
5CODE — Word 3 of the term in 1 Across: _____ _______ ____
6RGB — A colour model where any screen colour is made by mixing red, green and blue light, written as three numbers (R, G, B). Each pixel on a screen uses its own three numbers.