ACARA Digital Technologies Years 7–8 Crossword: Wired and Wireless Networks (Modules 54–68)
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
- 3. The delay between sending data and it arriving, measured in milliseconds (ms). It is not the same as bandwidth, which is how much data can be sent at once. Low ______ feels fast. (7)
- 6. Word 1 of the term in 1 Down: ________ _____ (8)
- 7. A cable that carries data as pulses of light along thin glass or plastic strands, giving very fast transfer over long distances with no electrical interference. Word 2 of: _____ _____ _____ (5)
- 8. Wired data stays in the cable, but ______ signals travel through the air where anyone in range can try to pick them up, so they need a password and encryption. Word 1 of: ________ ________ (8)
- 10. Word 1 of the term in 7 Across: _____ _____ _____ (5)
Down
- 1. A ______ with an RJ45 plug that carries data as electrical signals along twisted pairs of copper wire between a device and a switch or router. Word 2 of: ________ _____ (5)
- 2. ______ connections are usually faster and steadier than wireless, because the signal travels in its own cable and is not shared through the air. Word 1 of: _____ speed (5)
- 4. Wired networks need cables, ports and ______ work, while wireless needs less cabling but may need more access points to cover a large area. Word 1 of: ____ and ____________ (4)
- 5. Word 3 of the term in 4 Down: ____ and ____________ (12)
- 9. Word 2 of the term in 8 Across: ________ ________ (8)
Answer Key
ACARA Digital Technologies Years 7–8 · Modules 54–68
1C
2W
3L
A
T
E
N
4C
Y
I
B
O
R
L
5I
S
6E
T
H
E
R
N
E
T
D
S
7O
P
T
I
C
A
8W
I
R
E
L
E
9S
S
L
E
A
C
T
U
10F
I
B
R
E
O
I
N
T
Y
Across
3LATENCY — The delay between sending data and it arriving, measured in milliseconds (ms). It is not the same as bandwidth, which is how much data can be sent at once. Low ______ feels fast.
6ETHERNET — Word 1 of the term in 1 Down: ________ _____
7OPTIC — A cable that carries data as pulses of light along thin glass or plastic strands, giving very fast transfer over long distances with no electrical interference. Word 2 of: _____ _____ _____
8WIRELESS — Wired data stays in the cable, but ______ signals travel through the air where anyone in range can try to pick them up, so they need a password and encryption. Word 1 of: ________ ________
10FIBRE — Word 1 of the term in 7 Across: _____ _____ _____
Down
1CABLE — A ______ with an RJ45 plug that carries data as electrical signals along twisted pairs of copper wire between a device and a switch or router. Word 2 of: ________ _____
2WIRED — ______ connections are usually faster and steadier than wireless, because the signal travels in its own cable and is not shared through the air. Word 1 of: _____ speed
4COST — Wired networks need cables, ports and ______ work, while wireless needs less cabling but may need more access points to cover a large area. Word 1 of: ____ and ____________
5INSTALLATION — Word 3 of the term in 4 Down: ____ and ____________
9SECURITY — Word 2 of the term in 8 Across: ________ ________