ACARA Digital Technologies Years 7–8 Crossword: Wired and Wireless Networks and Representing Text, Images and Sound (Modules 69–124)
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
8
9
10
Across
- 2. Word 5 of the term in 1 Down: _____, ____, _____, resend, __________ (10)
- 4. Name the needs (speed, reliability, security, cost, mobility), match them to wired, wireless or mobile, then justify the choice using the word because. Word 3 of: choose a _______ type (7)
- 7. Word 1 of the term in 6 Down: ____ _________ (4)
- 8. A gap in the packet numbers received, like 1, 2, 4, 5, shows a packet is ______. The receiver knows the message is incomplete and can ask for a resend. Word 1 of: _______ packet (7)
- 10. Wireless devices like phones and tablets can move around and join a network easily, while wired devices like desktop computers are tied to a fixed cable connection point. (8)
Down
- 1. Data is ______ into numbered packets, sent over wired or wireless links, checked for errors, resent if needed, then reassembled in order so it arrives complete and correct. Word 3 of: _____, ____, _____, resend, __________ (5)
- 3. Word 2 of the term in 1 Down: _____, ____, _____, resend, __________ (4)
- 5. A tiny electronic switch that is either off (0) or on (1), so it holds exactly one bit. Digital hardware joins millions of them to work with data. (10)
- 6. ______ has ______ when it arrives complete (nothing missing or extra) and correct (nothing changed) compared with what was sent. Word 2 of: ____ _________ (9)
- 9. Word 1 of the term in 1 Down: _____, ____, _____, resend, __________ (5)
Answer Key
ACARA Digital Technologies Years 7–8 · Modules 69–124
1C
H
2R
E
A
3S
S
E
M
B
L
E
E
C
4N
E
5T
W
O
R
K
D
R
6I
7D
A
T
A
N
N
T
S
E
8M
I
S
9S
I
N
G
S
P
R
T
L
I
10M
O
B
I
L
I
T
Y
R
T
Y
Across
2REASSEMBLE — Word 5 of the term in 1 Down: _____, ____, _____, resend, __________
4NETWORK — Name the needs (speed, reliability, security, cost, mobility), match them to wired, wireless or mobile, then justify the choice using the word because. Word 3 of: choose a _______ type
7DATA — Word 1 of the term in 6 Down: ____ _________
8MISSING — A gap in the packet numbers received, like 1, 2, 4, 5, shows a packet is ______. The receiver knows the message is incomplete and can ask for a resend. Word 1 of: _______ packet
10MOBILITY — Wireless devices like phones and tablets can move around and join a network easily, while wired devices like desktop computers are tied to a fixed cable connection point.
Down
1CHECK — Data is ______ into numbered packets, sent over wired or wireless links, checked for errors, resent if needed, then reassembled in order so it arrives complete and correct. Word 3 of: _____, ____, _____, resend, __________
3SEND — Word 2 of the term in 1 Down: _____, ____, _____, resend, __________
5TRANSISTOR — A tiny electronic switch that is either off (0) or on (1), so it holds exactly one bit. Digital hardware joins millions of them to work with data.
6INTEGRITY — ______ has ______ when it arrives complete (nothing missing or extra) and correct (nothing changed) compared with what was sent. Word 2 of: ____ _________
9SPLIT — Word 1 of the term in 1 Down: _____, ____, _____, resend, __________