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WorksheetsComputer Systems
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
When staff of a company use tablets and desktops to connect to the office network what communication channels are they using for synchronization?
a)
Simplex and Duplex
b)
Half-Duplex and Duplex
c)
Half Duplex and Simplex
d)
Simplex and Point-to-Point
2.
What are the business benefits of synchronizing data between tablets and the office network?
a)
If not it would be possible to make promises that cannot be delivered
b)
Working directly with the client away from the office would improve productivity
c)
Because files are stored centrally which means that clients can be supported even if a member of staff is absent
d)
All of the reasons given
3.
When using a touch screen what is the order of data exchange?
a)
Screen, Digitiser, Screen
b)
Digitiser, CPU, Screen
c)
Screen, CPU, Digitiser
d)
Digitiser, Screen, CPU
4.
Why do SSD's not need defragmenting?
a)
Because data does not have to be grouped together to be faster
b)
Because data does not have to be groupd together to save space
c)
Files are not fragmented on an SSD
d)
If defragmenting they will become slow
5.
What are the moving parts in a hard drive
a)
optical disk and read/write head
b)
the disk and cables
c)
Magnetic disk and read/write head
d)
The motor and the spindle
6.
What makes SSD more suitable for mobile device than HDD
a)
Capacity
b)
Weight and capacity
c)
Cost
d)
Weight and dimensions
7.
What does the convergence in size reduction imply for mobile devices?
a)
They are more portable
b)
They are cheaper
c)
Inclusion of other technologies
d)
They use less power
8.
What does cache in a hard drive facilitate?
a)
Deliver a message to the user
b)
Work as a buffer between fast and slow components
c)
Gives you money back if you're thrifty
d)
There is no cache on a HDD
9.
Name 1 reason when chossing a hard drive you would choose the biggest?
a)
Cost per byte is lower
b)
All reasons given
c)
Larger capacity will be less likely filled up and makes drive faster
d)
Larger drives spin round faster and this reduces seek time
10.
What is the main technology used in RAID 1?
a)
Mirroring
b)
Striping
c)
Error correction
d)
All 3
11.
If the starting letter of a word is G and the Caesar encryption key is 00010001, what is the answer?
a)
W
b)
X
c)
Y
d)
Z
12.
If 01000001 is ASCII for capital "A" give ASCII for "e"
a)
01000101
b)
01000011
c)
01100011
d)
01100101
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