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Unit 2
Unit 2
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Year 12 Computing Unit 2
Flashcards
68 cards
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Practice quiz
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Host live
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Questions
68
Answers
1
Binary is an example of?
Assembly Language
Machine code
High level code
Medium level code
2
WiFi networks use what to communicate?
Sea waves
Radio waves
Freak waves
Wavey waves
3
Which is the correct order of phases?
Analysis, Implementation, Design, Testing, Evaluation
Analysis, Implementation, Design, Evaluation Testing
Analysis, Design, Implementation, Testing, Evaluation
Analysis, Design, Testing, Implementation, Evaluation
4
If 4 bits are used to represent an operation code, how many different operations are possible?
8
4
16
5
What form of validation is present in every ISBN number - it determines the final digit?
Lookup check
Check digit
Range check
ISBN last digit check
6
An example of secondary storage...
The hard disk
The processor registers
Main memory
A ROM chip holding the bootstrap program
7
What is an IP address?
A unique code pre-built into the machine
A unique code provided by the website
A unique code assigned by the router
A unique code provided by an IT specialist
8
What is the purpose of the current Instruction Register?
It holds the data currently being processed by the CPU.
The contents of the address are copied to the MDR
It holds the current instruction being decoded / executed.
9
What is meant by 'driver software'?
Tells the OS how to communicate with a peripheral
Launches the OS utility program
Car simulator
The OS kernel
10
If the backbone has too many computers it can impact on performance, applies to which topology?
Wireless
Bus
Ring
Star
11
The system bus consists of three buses.
data, address, I/O
data, control, I/O
data, address, control
data, location, I/O
12
What does GIGO stand for?
Garbage in Garbage out
Gigabytes in Gigabytes out
Get in Get out
Good input Good output
13
What does systems software fundamentally do?
Control hardware/make a system useable
Boot the computer into the BIOS
Launch the operating system
Provide applications for the user to use
14
The CPU executes instructions in order to process data
False
True
15
The CPU encodes the instructions from a program
False
True
16
One function of an operating system is to handle interrupts. Interrupts are?
hardware/software requesting attention
a delay in processing due to operating system overload
messages received from other computers
17
The Instruction register will process the instruction that was decoded?
False
True
18
Which of these topologies requires a terminator?
Wireless
Ring
Bus
Star
19
The addresses of data required by the running program is stored in the program counter?
False
True
20
How do peripherals connect to the system bus?
They connect through the I/O controller
They connect through the main memory
They connect through the RAM chip
They connect through the ROM chip
21
"If the central hub goes down, it impacts the entire network" refers to which topology?
Star
Mesh
Ring
Bus
22
Which description below, best describes direct addressing?
The address in the instruction is the address of the data
The value in the instruction is not an address at all
23
What is the purpose of the Memory Data Register?
The contents of the MAR are copied to the MDR
It holds the current instruction being decoded / executed.
It holds the data currently being processed by the CPU
24
Data to be sent across a network is split in to?
Packets
Parcels
Pics
parts
25
Which protocol is used to help secure wireless networks?
IMAP
WEP
HTTP
FTP
26
One Fetch-Decode - Execute cycle must finish before the next can begin?
True
False
27
Which is NOT a function of the operating system?
Managing the systems resources
communicating with the system's hardware
performing calculations
Monitoring the performance of the system
28
The accumulator stores the results of calculations performed by the ALU?
True
False
29
The Memory Data Register is used during the Fetch-Decode-Execute cycle?
False
True
30
Using windows OS you can print while working on a word document. This is called?
Transaction processing
Spellchecking
Batch processing
Multitasking
31
The CPU is where the main storage occurs
False
True
32
An operating system always has a GUI
False
True
33
The CPU fetches instructions from memory
True
False
34
What best describes what happens in the 'testing' phase?
The whole system is tested after it is given to the customer
The software is tested by the programmers in detail
The whole system is put together/ tested before it goes live
All parts of the software are installed on the system
35
Which description below, best describes immediate addressing?
The value in the instruction is not an address at all
The address in the instruction is the address of the data
36
Python is an example of?
Assembly language
Medium level code
High level code
Machine code
37
Which two parts does machine code instruction consist of?
Address and Location Code
Operation Code and Address
Address and Operation Code
38
What does bios stand for?
Basic Input Output Software
couldn't care less
Basic Insert Outcome System
Basic Input Output System
39
What is the purpose of the Accumulator?
The contents of the address copied to the MDR.
It holds the data currently being processed by the CPU.
It holds the current instruction being decoded / executed.
40
The Program Counter Register is used during the Fetch-Decode-Execute cycle?
True
False
41
What is the main question that needs answering during the evaluation phase?
Can I think of any improvements to the system
has the customer written a nice letter back
How well does the new system solve the original problem
Is the system really up-to-date
42
What is an opcode?
operand
oppython
operation
43
With the Fetch- Decode - Execute cycle, it doesn’t matter which order things take place?
False
True
44
"All messages are sent in the same direction" applies to which topology?
Wireless
Star
Ring
Bus
45
What is the purpose of the processor?
To control other hardware devices
To process data
To store programs
To execute program instructions
46
What kind of image file uses lossy compression?
JPEG
Bitmap
Vector graphics
PNG
47
What does the program control unit in the processor do?
Controls input and output of the processor
Controls the units being used in the program
controls the fetch - decode - execute cycle of the processor
Controls the programs on hard disk
48
In which phase is the software written and tested by the programmers?
Testing
Implementation
Development
Design
49
Where is the location of instructions stored?
Memory Data Register
Memory Address Register
Program Counter
50
What type of OS would be suitable for an aircraft control system?
Network
Interactive
Real-time
51
What is the purpose of main memory?
To store running programs
To remember where you stored your homework
To execute programs
To store programs long term
52
Which topology has a central connection point?
Star
Ring
Bus
Wireless
53
Registers are used to hold temporary data while a program runs.
False
True
54
What is each operation represented by in a low level language?
Binary code
Machine code
Intermediate code
55
A validation check is?
Made by a computer to check that the data is correct
Made by a computer to check that the data is reasonable
Made by a human to check that the data entered is correct
Made by a human to check that the data entered is reasonable
56
If the backbone cable breaks, then it can cause catastropic failure, applies to which topology?
Ring
Bus
Star
Wireless
57
What is the first document produced in analysis, it checks if the project is possible?
The objectives
The IsIt possible study
The feasability study
The requirements analysis
58
Which protocol is used to transfer files to file servers?
POP3
UDP
FTP
IMAP
59
Which of these systems requires inputs to be processed sufficiently fast enough?
Multi-tasking
Multi-user
Batch
Real-time
60
What type of chip is main memory mostly made up from?
EEPROM
RAM
MEMROM
ROM
61
Once the system is working, what is the process of correcting faults or updates called
Redesign
Maintenance
Improvement
Testing
62
Which two of the following are for security
system clean up, file transfer
firewall, antivirus
firewall, file transfer
antivirus, file transfer
63
The computer itself uses what language?
High Level
Assembly
Natural
Machine
64
Which is not a peripheral?
Hard disk
Main memory
Mouse
Keyboard
65
What is the function of the program counter in the processor?
To send control signals
To store the address of the next question
To carry data
To hold data being processed
66
Data is physically stored on optical media through use of...
Bits
Magnets
Holes
Pits
67
In which phase is the test plan drawn up?
Testing
Design
Analysis
Implementation
68
The Instruction Register is not used during the Fetch-Decode-Execute cycle?
False
True
