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WorksheetsUNIT 1.3 STORAGE
Total questions: 20
Worksheet time: 7mins
Name
Class
Date
1.
Q1: Which of the following is not a type of storage. (1/2)
a)
Optical
b)
Magnetic
c)
Solid State
d)
Hard Drive
2.
Q2: What type of storage is a DVD ROM? (1/2)
a)
Optical
b)
Magnetic
c)
Solid State
d)
It is not a storage device
3.
Q3: What type of storage is a USB memory stick? (4/5)
a)
Optical
b)
Magnetic
c)
Solid State
d)
It is not a storage device
4.
Q4: What type of storage is a SSD card? (4/5)
a)
Optical
b)
Magnetic
c)
Solid State
d)
It is not a storage device
5.
Q5: What type of storage is a HDD? (4/5)
a)
Optical
b)
Magnetic
c)
Solid State
d)
It is not a storage device
6.
Q6: Which of the following types of storage would likely access its data the fastest? (4-6)
a)
Optical
b)
Magnetic
c)
Solid State
d)
It is not a storage device
7.
Q7: Which of the following types of storage is the most durable? (9)
a)
Optical
b)
Magnetic
c)
Solid State
d)
They are all the same
8.
Q8: Which of the following types of storage is the most expensive per MB/GB? (9)
a)
Optical
b)
Magnetic
c)
Solid State
d)
They are all the same
9.
Q9: Why is a Hard Disk Drive (HDD) not very portable? (9)
a)
It has moving parts
b)
It is too large
c)
It will break if you touch it
d)
It is too small
10.
Q10: Why does a laptop need secondary storage? (1/2)
a)
To backup files to move to another computer
b)
To store data, files and software for future use
c)
To storage programs that are currently running
d)
To store data that the processor needs
11.
Q11: Which type of storage uses lasers to write the data? (4/5)
a)
Optical
b)
Magnetic
c)
Solid state
d)
All types
12.
Q12: The types of storage are listed below from fastest to slowest. Which order is correct? (9)
a)
Solid State, Optical, Magnetic
b)
Optical, Magnetic, Solid State
c)
Magnetic, Optical, Solid State
d)
Solid State, Magnetic, Optical
13.
Q13: storage listed least expensive per GB to most expensive per GB. Which order is correct?
a)
Solid State, Optical, Magnetic
b)
Optical, Magnetic, Solid State
c)
Magnetic, Optical, Solid State
d)
Solid State, Magnetic, Optical
14.
Q14: storage listed most reliable to the least reliable per GB. Which order is correct?
a)
Solid State, Optical, Magnetic
b)
Optical, Magnetic, Solid State
c)
Magnetic, Optical, Solid State
d)
Solid State, Magnetic, Optical
15.
Q15: How many bytes are there per character in a text file? (1/2)
a)
0.5
b)
1
c)
1.5
d)
2
16.
Q16: Which is the smallest of these data capacities? (4/5)
a)
2 KB
b)
2049 bytes
c)
0.5 MB
d)
3gb
17.
Q17: Which is the largest of these data capacities? (9)
a)
2048 MB
b)
2 GB
c)
2050 MB
d)
100000 KB
18.
Q18: Which formulae can be used to estimate the file size of an image? (7-9)
a)
number of pixels * number of bytes per pixel
b)
number of pixels * 1.1
c)
pixels wide * pixels high * bytes per pixel * 1.1
d)
pixels wide * bytes per pixel * pixels * 1.1
19.
Q19: Which formulae can be used to estimate the file size of a sound file? (7-9)
a)
bytes per sample * channels * height + number of minutes
b)
samples per second * number of seconds * 1.1
c)
samples per second * bytes per sample * duration
d)
samples per sec * samples per sec * channels * duration
20.
Q20: How many bytes are needed to store 32769 different colours? (9)
a)
1
b)
2
c)
3
d)
4
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