VCE Software Development U3O1 Crossword: Data structures and Data sources and files (Modules 98–113)
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.
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Across
- 2. A text file with one record per line, fields split by a delimiter such as a comma, and an optional header line of field names. Text containing commas goes in quotes. (3)
- 6. Word 3 of the term in 1 Down: ____, ____, _____ (5)
- 7. A plain text file holds unformatted characters, usually one line of text per line ended by a newline. It has no field headings or data types, so everything is read as a string. Word 1 of: ___ file (3)
- 8. Word 2 of the term in 1 Down: ____, ____, _____ (4)
- 9. Word 1 of the term in 3 Down: ____._____(',') (4)
- 10. Word 2 of the term in 4 Down: _______['____'] (4)
Down
- 1. Pick the structure by how you use the data: a ______ for an ordered collection, a ______ for lookup by key, and a ______ for a fixed group of values that should not change. Word 1 of: ____, ____, _____ (4)
- 3. A string method that breaks a ______ of text into a list of field strings at each comma. Use strip() first to remove the newline, and int() or float() to convert fields. Word 2 of: ____._____(',') (5)
- 4. Gets a field from a record by its field ______. A list or tuple record uses the field index (its position) instead, such as ______[0]. Indexes start at 0. Word 1 of: _______['____'] (7)
- 5. Splits one CSV line into fields and appends them as one record to a list, so each row of the file becomes a record and the whole file becomes a table in memory. Word 4 of: records.append(____._____()._____(',')) (5)
Answer Key
VCE Software Development U3O1 · Modules 98–113
1L
2C
3S
V
I
4S
P
S
5S
6T
U
P
L
E
7T
X
T
U
I
R
8D
I
C
T
9L
I
N
E
P
10N
A
M
E
T
Across
2CSV — A text file with one record per line, fields split by a delimiter such as a comma, and an optional header line of field names. Text containing commas goes in quotes.
6TUPLE — Word 3 of the term in 1 Down: ____, ____, _____
7TXT — A plain text file holds unformatted characters, usually one line of text per line ended by a newline. It has no field headings or data types, so everything is read as a string. Word 1 of: ___ file
8DICT — Word 2 of the term in 1 Down: ____, ____, _____
9LINE — Word 1 of the term in 3 Down: ____._____(',')
10NAME — Word 2 of the term in 4 Down: _______['____']
Down
1LIST — Pick the structure by how you use the data: a ______ for an ordered collection, a ______ for lookup by key, and a ______ for a fixed group of values that should not change. Word 1 of: ____, ____, _____
3SPLIT — A string method that breaks a ______ of text into a list of field strings at each comma. Use strip() first to remove the newline, and int() or float() to convert fields. Word 2 of: ____._____(',')
4STUDENT — Gets a field from a record by its field ______. A list or tuple record uses the field index (its position) instead, such as ______[0]. Indexes start at 0. Word 1 of: _______['____']
5STRIP — Splits one CSV line into fields and appends them as one record to a list, so each row of the file becomes a record and the whole file becomes a table in memory. Word 4 of: records.append(____._____()._____(','))