ACARA Digital Technologies Years 9–10 Crossword: Algorithms with Logical Operators (Modules 492–534)
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
Across
- 3. Work out each part as TRUE or FALSE for the current values, record both in the ______ table, then combine them with AND, OR or NOT. Do brackets first. Word 1 of: _____ a ________ _________ (5)
- 5. IF A AND B gives the same result as IF A THEN IF B when one action needs both tests. Use nesting when each test needs its own different ELSE outcome. Word 1 of: ______ IF vs AND (6)
- 6. Word 2 of the term in 1 Down: _____ ________ < 3 AND _______ = FALSE DO (8)
- 8. A loop test using AND or OR is drawn as a back arrow to the first question, with one combined diamond or two diamonds. Both exit reasons must lead out of the loop. Word 1 of: ________ loop exit (8)
- 9. In a flowchart, OR is two diamonds whose Yes arrows both reach the same action. The second diamond sits on the first's No path. The action is skipped only if both are No. Word 5 of: IF A OR B ____ (4)
Down
- 1. The loop repeats only ______ BOTH tests are TRUE. As soon as either test becomes FALSE, the whole condition is FALSE and the loop stops. Word 1 of: _____ ________ < 3 AND _______ = FALSE DO (5)
- 2. Word 5 of the term in 1 Down: _____ ________ < 3 AND _______ = FALSE DO (7)
- 4. Word 4 of the term in 3 Across: _____ a ________ _________ (9)
- 5. Key words in a worded rule signal the operator: both/and means AND, either/or means OR, ______/unless/except means ______. Use them to rewrite the rule as a compound condition. Word 5 of: both = AND, either = OR, ___ = ___ (3)
- 7. Inside a loop, an IF with AND or OR tests each item and adds 1 to ______ only when the whole combined condition is true, so ______ ends as the number of items that qualify. Word 8 of: IF mark >= 50 AND mark <= 100 ____ _____ ← _____ + 1 (5)
Answer Key
ACARA Digital Technologies Years 9–10 · Modules 492–534
1W
2C
H
O
I
R
L
3T
R
A
4C
E
E
O
C
N
5N
E
S
T
E
D
O
I
6A
T
T
E
M
P
T
S
I
7C
O
8C
O
M
P
O
U
N
D
U
N
9T
H
E
N
Across
3TRACE — Work out each part as TRUE or FALSE for the current values, record both in the ______ table, then combine them with AND, OR or NOT. Do brackets first. Word 1 of: _____ a ________ _________
5NESTED — IF A AND B gives the same result as IF A THEN IF B when one action needs both tests. Use nesting when each test needs its own different ELSE outcome. Word 1 of: ______ IF vs AND
6ATTEMPTS — Word 2 of the term in 1 Down: _____ ________ < 3 AND _______ = FALSE DO
8COMPOUND — A loop test using AND or OR is drawn as a back arrow to the first question, with one combined diamond or two diamonds. Both exit reasons must lead out of the loop. Word 1 of: ________ loop exit
9THEN — In a flowchart, OR is two diamonds whose Yes arrows both reach the same action. The second diamond sits on the first's No path. The action is skipped only if both are No. Word 5 of: IF A OR B ____
Down
1WHILE — The loop repeats only ______ BOTH tests are TRUE. As soon as either test becomes FALSE, the whole condition is FALSE and the loop stops. Word 1 of: _____ ________ < 3 AND _______ = FALSE DO
2CORRECT — Word 5 of the term in 1 Down: _____ ________ < 3 AND _______ = FALSE DO
4CONDITION — Word 4 of the term in 3 Across: _____ a ________ _________
5NOT — Key words in a worded rule signal the operator: both/and means AND, either/or means OR, ______/unless/except means ______. Use them to rewrite the rule as a compound condition. Word 5 of: both = AND, either = OR, ___ = ___
7COUNT — Inside a loop, an IF with AND or OR tests each item and adds 1 to ______ only when the whole combined condition is true, so ______ ends as the number of items that qualify. Word 8 of: IF mark >= 50 AND mark <= 100 ____ _____ ← _____ + 1