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WorksheetsComputer Systems - Assessment
Total questions: 112
Worksheet time: 1hrs 29mins
Name
Class
Date
1.
What is binary?
a)
It is a base 2 number system which uses only 0 or 1
b)
Binary is the language that humans speak
c)
It is the numbers 0-9
d)
It is a special type of computer
2.
Binary is a base 2 number system. What does this mean?
a)
It has 10 numbers 0-9
b)
It has two numbers 0 or 1
c)
It has the letters A-Z
d)
It has all the numbers and letters
3.
What is binary logic?
a)
This is thinking like a human.
b)
Binary logic is where something is either true or false.
4.
What is a logic gate?
a)
It is a tiny electrical switch inside the processor.
b)
It is a diagram showing all possible outputs
c)
It is a diagram showing a computer
d)
It is a table of all possible input combinations
5.
What are the names of the three main logic gates?
a)
OPEN, CLOSE, OPEN
b)
AND, OR, NOT
c)
IT, FOR, SO
d)
AND, BECAUSE, ON
6.
What is the name of this logic gate?
a)
OR
b)
NOT
c)
AND
d)
NAND
7.
What is the name of this logic gate?
a)
OR
b)
AND
c)
XOR
d)
NOT
8.
What is the name of this logic gate?
a)
AND
b)
OR
c)
XOR
d)
NOT
9.
What will be the output from this logic gate if the inputs are both 0?
a)
0
b)
1
10.
What will be the input for this logic gate if the output is 1?
a)
1
b)
0
11.
What will the output be from this logic diagram?
a)
1
b)
0
c)
2
d)
3
12.
What is a truth table?
a)
A table which shows all the possible combination of 0's and 1's
b)
A table which shows the logic gate diagrams
c)
A table which shows lots of random numbers
d)
A flowchart
13.
Which one of the following truth tables is the correct one for an AND gate?
a)
A
b)
B
c)
C
d)
D
14.
Which of the logic statements below represents the logic diagram shown.
a)
P = NOT (A OR B)
b)
P = A OR B
c)
P = A AND B
d)
P = NOT (A AND B)
15.
Which of the logic statements below represents the logic diagram shown.
a)
P = A AND B
b)
P = NOT (A OR B)
c)
P = A OR B
d)
P = NOT B
16.
How many logic gates are in this logic diagram?
a)
1
b)
2
c)
3
d)
4
17.
What gate is this table for?
a)
AND
b)
OR
c)
NOT
d)
NOR
18.
Select the operating system for iPhone?
a)
iOS
b)
Android
c)
Windows
d)
Linux
19.
Select the operating system for Samsung Galaxy Smart Phones?
a)
iOS
b)
Android
c)
Windows
d)
Linux
20.
Select the free operating system with a version called Ubuntu?
a)
iOS
b)
Android
c)
Windows
d)
Linux
21.
Management of memory resources describes which feature of an operating system?
a)
Hardware Management
b)
User interface
c)
Application interface
d)
Utilities
22.
"What you see" when using an operating system?
a)
Hardware Management
b)
User interface
c)
Application interface
d)
Utilities
23.
Interface between applications and hardware is the?
a)
Hardware Management
b)
User interface
c)
Application interface
d)
Utilities
24.
What helps maintain the operating system?
a)
Hardware Management
b)
User interface
c)
Application interface
d)
Utilities
25.
What feature of the OS helps protect your data?
a)
Hardware Management
b)
User interface
c)
Security
d)
Utilities
26.
What is A?
Software that performs tasks...
Software that performs tasks...
a)
Application software
b)
Utilities software
c)
Operating system
d)
Hardware
27.
What is C?
Allows a user interface, manages main memory, peripherals and processing.
Allows a user interface, manages main memory, peripherals and processing.
a)
Application software
b)
Utilities software
c)
Operating system
d)
Hardware
28.
What is D?
Physical
Physical
a)
Application software
b)
Utilities software
c)
Operating system
d)
Hardware
29.
Which utility removes files?
a)
Uninstaller
b)
Disk defragmenter
c)
Backup Utility
d)
File Manager
30.
Which utility organizes files efficiently on the hard drive?
a)
Uninstaller
b)
Disk defragmenter
c)
Backup Utility
d)
File Manager
31.
Which utility saves copies of your files somewhere else?
a)
Uninstaller
b)
Disk defragmenter
c)
Backup Utility
d)
File Manager
32.
Which utility lists, organizes and allows you to rename files.
a)
Uninstaller
b)
Disk defragmenter
c)
Backup Utility
d)
File Manager
33.
Which utility finds files?
a)
Firewall
b)
Restore Utility
c)
Search Utility
d)
File Compression
34.
Which utility prevents intrusions?
a)
Firewall
b)
Restore Utility
c)
Search Utility
d)
File Compression
35.
Which utility protects against viruses?
a)
Antivirus
b)
Restore Utility
c)
Search Utility
d)
File Compression
36.
Which utility can zip and unzip files?
a)
Antivirus
b)
Restore Utility
c)
Search Utility
d)
File Compression
37.
Which utility can return backup files to their original state?
a)
Antivirus
b)
Restore Utility
c)
Search Utility
d)
Backup utility
38.
Which of these is not a task of the Operating System?
a)
Writing information to files
b)
Opening, closing and moving windows on the screen
c)
Word processing
d)
Sending information about mouse clicks to an application
39.
GUI stands for:
a)
Graphical Users Interact
b)
Graphical User Interface
c)
Grommets Use Iron
d)
Group User Interface
40.
What is defragmentation?
a)
Rearranging files to occupy contiguous space.
b)
Speeding up processing.
c)
Rearranging the RAM.
d)
Rearranging processes queued for processing.
41.
Define the term 'peripheral'
a)
A driver is a piece of software designed to tell a peripheral what to do.
b)
Any input, output or storage device that connects to a motherboard. (keyboard, mouse, web cam, printer, hard disk drive)
42.
Define the term 'device driver'
a)
A driver is a piece of software designed to tell a peripheral what to do.
b)
Any input, output or storage device that connects to a motherboard. (keyboard, mouse, web cam, printer, hard disk drive)
43.
Which type of software allows the user to perform tasks?
a)
System Software
b)
Application Software
44.
Clock speed is measured in
a)
Hertz
b)
Words
c)
Bits Per Second
d)
Metres Per Second
45.
Von Neumann processors have separate areas of memory for data and the programs that use them
a)
True
b)
False
46.
Instructions are fetched and decoded under the management of the ALU
a)
True
b)
False
47.
Select the correct CPU cycle:
a)
Execute -> Decode -> Fetch
b)
Fetch -> Execute -> Decode
c)
Decode -> Fetch -> Execute
d)
Fetch -> Decode -> Execute
48.
What are the three main components of a CPU?
a)
Hardware, Software, Memory
b)
Memory, Control, ALU
c)
ALU, Memory Unit, Control Unit
d)
Fetch, Decode, Execute
49.
Which of the following affects the performance of a CPU?
a)
Number of cores
b)
Hard Drive capacity
c)
Number of applications stored
d)
Number of Hard Drives used
50.
A single core has a clock speed of 1.8 GHz. How many instructions per second can the quad core version process?
a)
6.2 billion
b)
7.2 billion
c)
8.2 billion
d)
7.6 billion
51.
What is the purpose of using the ALU?
a)
performing calculations on data
b)
controlling calculations on data
c)
controlling the speed of calculations
d)
save memory onto hard drive
52.
What is the purpose of a 'Bus' in a computer system?
a)
Carry data to and from internal components
b)
execute user's instructions
c)
control flow of data
d)
connects the CPU to motherboard
53.
Why can dual core processors be considered better than single core?
a)
Faster speed
b)
More instructions carried out per second
c)
Two instructions can be run in parallel
d)
double the processing power
54.
CPU Cache is located on
a)
The CPU
b)
The RAM
c)
The hard drive
d)
The motherboard
55.
Cache is used to make the computer faster
a)
TRUE
b)
FALSE
56.
Cache memory acts as a buffer between the processor and
a)
the RAM
b)
the harddrive
c)
the motherboard
d)
the user
57.
When the processor fetches data from the RAM, it is first copied onto the
a)
cache memory, and then from the cache memory into the main processor
b)
RAM, and then from the RAM into the main processor
c)
CPU, and then from the CPU into the RAM
d)
cache memory, and then from the cache memory into the RAM
58.
Which transfer is faster
a)
data between the cache and the CPU
b)
data between the RAM and cache
c)
data between the RAM and CPU
d)
data between the hard drive and CPU
59.
The larger the cache, the slower the CPU will fetch instructions
a)
FALSE
b)
TRUE
60.
Data and instructions are stored in the (1-4)
a)
Processor
b)
Embedded System
c)
Hard Disk Drive
d)
Main Memory
61.
Instructions are fetched from main memory
a)
True
b)
False
62.
After an instruction is fetched, the program counter is updated so that the CPU knows the address of the next instruction to be fetched.
a)
True
b)
False
63.
During the fetch execute cycle, the CPU fetches, decodes and executes a _________
a)
instruction
b)
bit
c)
token
d)
message
64.
The fetch execute cycle runs continuously when the computer is turned on.
a)
True
b)
False
65.
An op-code
a)
specifies an instruction to be carried out
b)
specifies the data on which an operation is to be peformed
66.
Which part of the fetch execute cycle links together the parts of the CPU that are needed to carry out the instruction.
a)
Execute
b)
Decode
c)
Fetch
67.
Which part of the fetch execute cycle involves the CPU identifying the operation code (op-code) part of the instruction which
a)
Decode
b)
Fetch
c)
Execute
68.
Which part of the fetch execute cycle involves retrieving an instruction from a memory address
a)
Fetch
b)
Execute
c)
Decode
69.
The correct order is
a)
Fetch, Decode, Execute
b)
Decode, Execute, Fetch
c)
Execute, Decode, Fetch
d)
Decode, Fetch, Execute
70.
What does RAM stand for?
a)
Random access memory
b)
Read access memory
c)
Read all memory
d)
Read also memory
71.
What does ROM stand for?
a)
Read only memory
b)
Read once memory
c)
Read only mass
d)
Right once memory
72.
Acts as a temporary storage facility for instructions and data until the program is closed describes what?
a)
RAM
b)
ROM
c)
Cache
d)
Virtual memory
73.
Volatile memory - Contents are lost when the computer is switched off describes what?
a)
RAM
b)
ROM
c)
Virtual
d)
Cache
74.
Which type of memory cannot write over the contents once it has been created.
a)
RAM
b)
ROM
c)
Cache
d)
Virtual
75.
Which type of memory contains the basic start up routine. The Bootstrap loader loads the operating system.
a)
RAM
b)
ROM
c)
Cache
d)
Virtual
76.
Which memory uses the hard disk as Main memory.
a)
ROM
b)
RAM
c)
Cache
d)
Virtual
77.
Which type of memory is used when main memory / RAM is running low. The processor turns to the hard disk to behave like the primary memory.
a)
ROM
b)
RAM
c)
Cache
d)
Virtual
78.
The size of the hard disk to be used for virtual memory is set by what?
a)
User
b)
RAM
c)
Operating systems
d)
Microsoft
79.
Very fast memory that is built into the CPU describes what type of memory?
a)
RAM
b)
ROM
c)
Cache
d)
Virtual
80.
Which of these types of memory is the fastest?
a)
RAM
b)
ROM
c)
Cache
d)
Virtual
81.
Which of these does the computer only have a small amount of because it is so expensive?
a)
RAM
b)
ROM
c)
Cache
d)
Virtual
82.
Which type of memory stores frequently used instructions and data.
a)
RAM
b)
ROM
c)
Cache
d)
Virtual
83.
My job is to load up the computer. What am I?
a)
RAM
b)
ROM
84.
A clock speed of 3MHz means how many clock cycles per second are being carried out?
a)
300
b)
3000
c)
3 million
d)
3 billion
85.
Why is Virtual Memory needed in a computer system?
a)
When several programs run at the same time, the RAM can be full. Instead of closing programs the Operating system uses virtual memory to store some data.
b)
It stores the data of the operating system and programs that are currently running, for access by the CPU.
86.
USB flash drives use solid state memory.
a)
True
b)
False
87.
Solid state hard drives are more suitable than magnetic hard drives for portable devices.
a)
True
b)
False
88.
Solid state hard drives have moving parts.
a)
False
b)
True
89.
The term durability refers to
a)
how easily you can damage the device
b)
the speed of the device
c)
the amount of data you can store on the device
d)
how shiny the device is
90.
The term capacity refers to
a)
the amount of data you can store on the device
b)
how shiny the device is
c)
how easily you can damage the device
d)
the speed of the device
91.
Which one of these is commonly used to measure storage capacity
a)
bytes
b)
the number of text documents you can store on it
c)
hertz
d)
Mb/s
92.
Which device is this?
a)
Optical Disk
b)
Hard Drive
c)
Flash Memory
d)
Magnetic Tape
93.
Which device is this?
a)
Optical Disk
b)
Hard Drive
c)
Flash Memory
d)
Magnetic Tape
94.
Which device is this?
a)
Optical Disk
b)
Hard Drive
c)
Flash Memory
d)
Magnetic Tape
95.
Which device would you use:
To backup very large amounts of data
To backup very large amounts of data
a)
Optical Disk
b)
Hard Drive
c)
Flash Memory
d)
Magnetic Tape
96.
Which of the following is NOT a secondary storage device?
a)
A. RAM
b)
B. CD
c)
C. Floppy magnetic discs
d)
D. ROM
97.
Is this an embedded system?
a)
YES
b)
NO
98.
Is this an embedded system?
a)
YES
b)
NO
99.
Is this an embedded system?
a)
YES
b)
NO
100.
Embedded system means ...
A computer system inside another system
A computer system inside another system
a)
YES
b)
NO
101.
Is this an embedded system?
a)
YES
b)
NO
102.
Is this an embedded system?
a)
YES
b)
NO
103.
In an embedded system, there is software that controls the hardware.
a)
YES
b)
NO
104.
stored on remote servers accessed from the internet
is the definition for....?
is the definition for....?
a)
Server Farm
b)
Secondary STorage
c)
VPN
d)
Cloud
105.
Sends out signals to co-ordinate how the processor works. It controls how the data moves around parts of the CPU and how it moves between the CPU and memory. Instructions are decoded in the control unit.
a)
Control Unit
b)
ALU
c)
Register
d)
CPU
106.
Keeps track of the memory location of the line of machine code being executed. It gets incremented to point to the next instruction, with each cycle of the fetch-decode-execute cycle allowing the program to be executed in sequence one by one.
a)
CPU
b)
Instruction register
c)
Memory Address register
d)
Program counter
107.
Carries out the calculations and logical decisions. The results of its calculations are stored in the accumulator.
a)
CPU
b)
Control Unit
c)
Arithmetic and Logic Unit
d)
Memory Address Register
108.
Stores the data that has been fetched from or stored in memory.
a)
Program Counter
b)
Memory Data register
c)
Memory Address register
d)
Current Instruction register
109.
Stores the results of calculations made by the ALU.
a)
Program Counter
b)
Memory data register
c)
Accumulator
d)
Current Instruction register
110.
Used to carry the address to which the data is being transmitted.
a)
Data Bus
b)
Address bus
c)
Control Bus
111.
Used to send control signals from control unit to other parts of the processor.
a)
Data bus
b)
Control bus
c)
Address bus
112.
Used to transmit data between areas of the processor.
a)
Data bus
b)
Address bus
c)
Control bus
Reset
