IGCSE Computer Science Paper 2 Crossword: 7b Decomposition and Sub-systems and 7c Pseudocode and Flowcharts (Modules 136–145)
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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.
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2
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4
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8
9
10
Across
- 4. Word 3 of the term in 2 Down: full-____ ______ (6)
- 6. Each box in a structure diagram becomes a ______ or FUNCTION named after the box. A box with sub-boxes uses CALL statements to run them. Check that every box has code. (9)
- 8. ______ the scenario, split it into inputs, processes, outputs and storage, draw a structure diagram, then write a flowchart or pseudocode for each part and check it against the requirements. Word 1 of: ________, _________, draw, write (8)
- 9. Runs a procedure. A main program is a short list of ______ lines, one per sub-problem from the structure diagram, in the right order, with no detail inside it. (4)
- 10. Word 2 of the term in 8 Across: ________, _________, draw, write (9)
Down
- 1. The five basic pseudocode data types: whole numbers, decimals, a single character, text of any length, and TRUE or FALSE. A phone number should be a STRING. Word 3 of: INTEGER, ____, ____, STRING, BOOLEAN (4)
- 2. Uses key terms (sub-system, decomposition, abstraction, input, process, output, storage) correctly and gives a reason for each point, for example by using the word 'because'. Word 2 of: full-____ ______ (4)
- 3. Cambridge's fixed format for planning an algorithm before it is written as program code. Paper 2 answers must use it, except the 15-mark question, which allows Python, VB or Java. (10)
- 5. Indent every statement inside a FOR, WHILE or REPEAT loop by ______. Nested loops add 4 more; wrapped continuation lines use 2. An unindented loop body is a presentation error. Word 2 of: 4 ______ (6)
- 7. Word 2 of the term in 1 Down: INTEGER, ____, ____, STRING, BOOLEAN (4)
Answer Key
IGCSE Computer Science Paper 2 · Modules 136–145
1C
2M
H
A
3P
4A
N
5S
W
E
R
S
R
P
K
E
A
U
6P
7R
O
C
E
D
U
R
E
D
E
E
O
8A
B
S
T
R
A
C
T
9C
A
L
L
O
10D
E
C
O
M
P
O
S
E
E
Across
4ANSWER — Word 3 of the term in 2 Down: full-____ ______
6PROCEDURE — Each box in a structure diagram becomes a ______ or FUNCTION named after the box. A box with sub-boxes uses CALL statements to run them. Check that every box has code.
8ABSTRACT — ______ the scenario, split it into inputs, processes, outputs and storage, draw a structure diagram, then write a flowchart or pseudocode for each part and check it against the requirements. Word 1 of: ________, _________, draw, write
9CALL — Runs a procedure. A main program is a short list of ______ lines, one per sub-problem from the structure diagram, in the right order, with no detail inside it.
10DECOMPOSE — Word 2 of the term in 8 Across: ________, _________, draw, write
Down
1CHAR — The five basic pseudocode data types: whole numbers, decimals, a single character, text of any length, and TRUE or FALSE. A phone number should be a STRING. Word 3 of: INTEGER, ____, ____, STRING, BOOLEAN
2MARK — Uses key terms (sub-system, decomposition, abstraction, input, process, output, storage) correctly and gives a reason for each point, for example by using the word 'because'. Word 2 of: full-____ ______
3PSEUDOCODE — Cambridge's fixed format for planning an algorithm before it is written as program code. Paper 2 answers must use it, except the 15-mark question, which allows Python, VB or Java.
5SPACES — Indent every statement inside a FOR, WHILE or REPEAT loop by ______. Nested loops add 4 more; wrapped continuation lines use 2. An unindented loop body is a presentation error. Word 2 of: 4 ______
7REAL — Word 2 of the term in 1 Down: INTEGER, ____, ____, STRING, BOOLEAN