IGCSE Computer Science Paper 2 Crossword: 7b Decomposition and Sub-systems (Modules 107–118)
Name:
Date:
Class:
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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
6
7
8
9
Across
- 4. Keeping only the detail that matters for the problem and hiding the rest, like a tube map showing stations and lines but not exact distances. (11)
- 7. A fixed shape showing one step in a ______: oval start/end, arrow flow, rectangle process, parallelogram input/output, diamond decision, double-sided rectangle subroutine. Word 1 of: _________ ______ (9)
- 8. Name the whole problem in the ______ box, then split it into sub-problems level by level until each box is one simple task. Use clear box names. Word 1 of: ___-down design (3)
- 9. Read the ______, list the details the solution needs and cross out the rest, saying 'because' for each choice (e.g. a bus app keeps times, not bus colour). Word 3 of: abstract a ________ (8)
Down
- 1. A ______ with the whole problem in a top box, joined by lines to lower boxes for each sub-problem, in levels. It shows the parts of the problem, not the order of the steps. Word 2 of: _________ _______ (7)
- 2. Word 1 of the term in 1 Down: _________ _______ (9)
- 3. Read the given boxes top down, then fill each gap with the sub-problem its parent box needs, so the sub-boxes together make up the parent. Ignore boxes that do not belong. Word 1 of: ________ a _________ _______ (8)
- 5. The four ordered stages of building a program: analysis (what is needed), design (plan it), ______ (write it) and ______ (check it works). Word 4 of: analysis, design, ______, _______ (7)
- 6. Word 3 of the term in 5 Down: analysis, design, ______, _______ (6)
- 9. Word 2 of the term in 7 Across: _________ ______ (6)
Answer Key
IGCSE Computer Science Paper 2 · Modules 107–118
1D
2S
I
3C
4A
B
S
T
R
A
C
5T
I
O
N
R
G
E
M
6C
U
R
S
P
7F
L
O
W
C
H
A
R
T
L
D
T
M
I
E
I
U
N
8T
O
P
9S
C
E
N
A
R
I
O
G
E
Y
G
E
M
B
O
L
Across
4ABSTRACTION — Keeping only the detail that matters for the problem and hiding the rest, like a tube map showing stations and lines but not exact distances.
7FLOWCHART — A fixed shape showing one step in a ______: oval start/end, arrow flow, rectangle process, parallelogram input/output, diamond decision, double-sided rectangle subroutine. Word 1 of: _________ ______
8TOP — Name the whole problem in the ______ box, then split it into sub-problems level by level until each box is one simple task. Use clear box names. Word 1 of: ___-down design
9SCENARIO — Read the ______, list the details the solution needs and cross out the rest, saying 'because' for each choice (e.g. a bus app keeps times, not bus colour). Word 3 of: abstract a ________
Down
1DIAGRAM — A ______ with the whole problem in a top box, joined by lines to lower boxes for each sub-problem, in levels. It shows the parts of the problem, not the order of the steps. Word 2 of: _________ _______
2STRUCTURE — Word 1 of the term in 1 Down: _________ _______
3COMPLETE — Read the given boxes top down, then fill each gap with the sub-problem its parent box needs, so the sub-boxes together make up the parent. Ignore boxes that do not belong. Word 1 of: ________ a _________ _______
5TESTING — The four ordered stages of building a program: analysis (what is needed), design (plan it), ______ (write it) and ______ (check it works). Word 4 of: analysis, design, ______, _______
6CODING — Word 3 of the term in 5 Down: analysis, design, ______, _______
9SYMBOL — Word 2 of the term in 7 Across: _________ ______