IGCSE Computer Science Paper 1 Crossword: 3.3 Data Storage (Modules 304–313)
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
10
Across
- 2. A flash memory cell: a ______ with a control ______ and a floating ______ that traps charge for one bit value and none for the other, so the bit stays stored when power is off. Word 2 of: floating ____ __________ (4)
- 6. Dents (pits) and flat areas (______) along a disc's spiral track. A laser reads them by how light reflects: ______ reflect it back, pits scatter it. The changes store binary data. Word 3 of: pits and _____ (5)
- 8. Word 3 of the term in 2 Across: floating ____ __________ (10)
- 9. Flash-based solid-state devices: an SSD is the main storage in a laptop, an SD ______ suits cameras and phones, and a USB drive is a portable stick for carrying files. Word 3 of: SSD, SD ____, USB drive (4)
- 10. Storage that keeps data in flash memory chips with no moving parts. It is non-volatile, so data stays when power is off. Examples are SSD, SD card and USB drive. Word 2 of: solid-_____ _______ (5)
Down
- 1. A read/write head uses an electromagnet to ______ tiny areas of the spinning platter to store 1s and 0s, and reads the data back by detecting the magnetic pattern. (9)
- 3. Permanent, non-volatile ______ with a much larger capacity than RAM. It keeps files, programs and the OS safe when the power is off, because RAM is volatile and too small. Word 1 of: _________ _______ (9)
- 4. The two ways of arranging ______ transistors, named after logic gates. NAND gives high capacity (SSDs, SD cards); NOR gives faster random reads (stored program code). Word 4 of: NAND and NOR _____ (5)
- 5. A spinning circular disk in magnetic storage. Its surface is split into tracks (concentric circles) and sectors (sections of a track), where data is stored as magnetised areas. (7)
- 7. Word 2 of the term in 3 Down: _________ _______ (7)
Answer Key
IGCSE Computer Science Paper 1 · Modules 304–313
1M
2G
A
T
E
3S
4F
G
5P
E
6L
A
N
D
7S
L
C
A
E
8T
R
A
N
S
I
S
T
O
R
S
T
O
T
N
H
I
R
T
9C
A
R
D
10S
T
A
T
E
A
E
G
R
R
E
Y
Across
2GATE — A flash memory cell: a ______ with a control ______ and a floating ______ that traps charge for one bit value and none for the other, so the bit stays stored when power is off. Word 2 of: floating ____ __________
6LANDS — Dents (pits) and flat areas (______) along a disc's spiral track. A laser reads them by how light reflects: ______ reflect it back, pits scatter it. The changes store binary data. Word 3 of: pits and _____
8TRANSISTOR — Word 3 of the term in 2 Across: floating ____ __________
9CARD — Flash-based solid-state devices: an SSD is the main storage in a laptop, an SD ______ suits cameras and phones, and a USB drive is a portable stick for carrying files. Word 3 of: SSD, SD ____, USB drive
10STATE — Storage that keeps data in flash memory chips with no moving parts. It is non-volatile, so data stays when power is off. Examples are SSD, SD card and USB drive. Word 2 of: solid-_____ _______
Down
1MAGNETISE — A read/write head uses an electromagnet to ______ tiny areas of the spinning platter to store 1s and 0s, and reads the data back by detecting the magnetic pattern.
3SECONDARY — Permanent, non-volatile ______ with a much larger capacity than RAM. It keeps files, programs and the OS safe when the power is off, because RAM is volatile and too small. Word 1 of: _________ _______
4FLASH — The two ways of arranging ______ transistors, named after logic gates. NAND gives high capacity (SSDs, SD cards); NOR gives faster random reads (stored program code). Word 4 of: NAND and NOR _____
5PLATTER — A spinning circular disk in magnetic storage. Its surface is split into tracks (concentric circles) and sectors (sections of a track), where data is stored as magnetised areas.
7STORAGE — Word 2 of the term in 3 Down: _________ _______