IGCSE Computer Science Paper 2 Crossword: 8.1a Data Types and Variables (Modules 327–336)
Name:
Date:
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✎
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
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7
8
9
10
Across
- 1. Use CHAR for a value that is always exactly one character, like a grade letter or Y/N. Use ______ for text of any length, including none, like a name or phone number. Word 3 of: CHAR or ______ (6)
- 4. Word 3 of the term in 3 Down: _______ or ____ (4)
- 6. Reads a value typed by the user and stores it in the variable named after ______ (here ______). Declare the variable first; its data type decides what can be entered. Word 1 of: _____ ______ (5)
- 8. Word 2 of the term in 6 Across: _____ ______ (6)
- 9. Word 6 of the term in 5 Down: OUTPUT "You ____ ", _____, " _____ ____" (4)
- 10. How a literal is written shows its type: digits = INTEGER, decimal point = REAL, single quotes = CHAR, double quotes = STRING, ______ or FALSE = BOOLEAN. Word 6 of: 7 7.0 '7' "7" ____ (4)
Down
- 2. Pick INTEGER, REAL, CHAR, STRING or BOOLEAN by what the value is and what you do with it, then justify with 'because'. Eg price is REAL because it has pence. Word 2 of: data ____ (4)
- 3. Use ______ for values that are always whole numbers, like a count of students. Use ______ if the value could have a decimal part, like a price or an average mark. Word 1 of: _______ or ____ (7)
- 5. One OUTPUT command can display several values, separated by commas. Mix text in quotes with variables. Any spaces you want shown must be inside the quotes. Word 4 of: OUTPUT "You ____ ", _____, " _____ ____" (5)
- 7. Word 3 of the term in 5 Down: OUTPUT "You ____ ", _____, " _____ ____" (4)
Answer Key
IGCSE Computer Science Paper 2 · Modules 327–336
1S
2T
R
3I
N
G
4R
E
A
5L
Y
N
6I
N
P
U
T
7H
V
E
E
8A
N
S
W
E
R
G
V
S
E
9L
E
F
T
10T
R
U
E
Across
1STRING — Use CHAR for a value that is always exactly one character, like a grade letter or Y/N. Use ______ for text of any length, including none, like a name or phone number. Word 3 of: CHAR or ______
4REAL — Word 3 of the term in 3 Down: _______ or ____
6INPUT — Reads a value typed by the user and stores it in the variable named after ______ (here ______). Declare the variable first; its data type decides what can be entered. Word 1 of: _____ ______
8ANSWER — Word 2 of the term in 6 Across: _____ ______
9LEFT — Word 6 of the term in 5 Down: OUTPUT "You ____ ", _____, " _____ ____"
10TRUE — How a literal is written shows its type: digits = INTEGER, decimal point = REAL, single quotes = CHAR, double quotes = STRING, ______ or FALSE = BOOLEAN. Word 6 of: 7 7.0 '7' "7" ____
Down
2TYPE — Pick INTEGER, REAL, CHAR, STRING or BOOLEAN by what the value is and what you do with it, then justify with 'because'. Eg price is REAL because it has pence. Word 2 of: data ____
3INTEGER — Use ______ for values that are always whole numbers, like a count of students. Use ______ if the value could have a decimal part, like a price or an average mark. Word 1 of: _______ or ____
5LIVES — One OUTPUT command can display several values, separated by commas. Mix text in quotes with variables. Any spaces you want shown must be inside the quotes. Word 4 of: OUTPUT "You ____ ", _____, " _____ ____"
7HAVE — Word 3 of the term in 5 Down: OUTPUT "You ____ ", _____, " _____ ____"