What happens when you boot up a PC?

Part of the OS are copied from a hard drive into memory.

What is a motherboard?

It is a circuit board that contains a computer's CPU.

Super-intelligence …

None of the other statements is true.

How does Bluetooth differ from Wi-Fi?

Bluetooth links between devices doesnt involve intermediates

Machine learning is about

using algorithms to learn from data & build adaptive models

A filter between a private network and the internet

Data that has been one-way encoded.

The transport layer of the Open Systems Interconnection Model is primarily concerned with...

getting data on and off the network.

What is the purpose of a Denial of Service attack?

Flooding a server with requests in order to shut it down.

Which of the following statements is the most accurate?

Some tasks that r easy 4 ppl r surprisingly hard 4 machines

Which of the following is NOT a trend in software?

The number of popular Operating Systems has been increasing.

Which of the following statements relating to network interference is true?

Fibre optic cables are mostly immune to network interference

What is true about domain names?

Each registered domain name has a unique IP address.

How do JPG and PNG formats differ?

PNG allows for transparency while JPG does not.

What is social engineering?

Using social skills to convince ppl to reveal information.

What is different in how we process and store data on audio and facts?

The input and data processing are totally different.

If we increase the input size of an algorithm, what will happen to the process time?

Depends on the algorithm; all of the above can be correct.

Usability and user experience are related in the following way:

Good usability is important for a good user experience

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Revision COMP111 - 2018S2

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Revise material from COMP111 in preparation for the exam

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Questions 34

Answers

1
How many people are Facebook users as a portion of the world population?
About 50%
About 33%
About 10%
About 25%
2
What happens when you boot up a PC?
Part of the OS are copied from memory into the hard drive.
Part of the OS are copied from a hard drive into memory.
Portions of the operating system are compiled.
Portions of the operating system are emulated.
3
What is a motherboard?
It is the main component of a microprocessor.
A computer's physical frame that holds everything together.
It is a circuit board that contains a computer's CPU.
A circuit board used mostly in 50s.
4
Super-intelligence …
Is inevitable, and may exist soon.
Is inevitable, but is unlikely to exist soon.
Is known to be possible.
None of the other statements is true.
5
How does Bluetooth differ from Wi-Fi?
Bluetooth uses encryption when talking to the web server.
Bluetooth is much faster than Wi-Fi.
Bluetooth allows for communicating over larger distances.
Bluetooth links between devices doesnt involve intermediates
6
Which tends to be more tacit?
Knowledge
Data
All tend to be equally tacit
Information
7
Algorithms: Which of the following statements is true?
All of the above
One algorithm can trigger another algorithm.
One algorithm can serve another algorithm.
One algorithm can be part of another algorithm.
8
How many different modes or values do 8 bits allow for?
16
32
256
128
9
Machine learning is about
making machines that learn from human-computer interactions.
building deep neural network models for data analysis.
face recognition and friend recommendation on Facebook.
using algorithms to learn from data & build adaptive models
10
What is a firewall?
safety measure to protect internet from unauthorized access
A tool to block sites that are unwanted by the government
A tool to contain viruses
A filter between a private network and the internet
11
In terms of accessibility and space, human's short-term memory compares to what in computers?
SD cards
USB flash drives
Hard Disk Drive
RAM
12
What is a hash?
A function like MD4.
Data that has been one-way encoded.
Data that has been encoded using ASCII.
A function that is used to encrypt data.
13
The transport layer of the Open Systems Interconnection Model is primarily concerned with...
ensuring a stable connection between a sender and receiver.
All of the above.
getting data on and off the network.
assigning IP-addresses.
14
What is the purpose of a Denial of Service attack?
To act as a website visitor and upload a Trojan horse.
To organize a large number of computers for a common cause.
Flooding a server with requests in order to shut it down.
To hack into financial transactions and modifying them.
15
Which of the following statements is the most accurate?
Some tasks that r easy 4 ppl r surprisingly hard 4 machines
Tasks that are easy for humans are also easy for machines.
Its easy to find these tasks: easy for ppl, hard for machine
Tasks that are hard for humans are also hard for machines.
16
Which of the following is NOT a trend in software?
Software has become more easy to share.
Software is increasingly sold as a service.
The number of popular Operating Systems has been increasing.
Increasingly, software is provided on the web.
17
What are the primary components of a network?
Devices and operating systems.
Computers, software, and cables.
Cables and devices
Hardware and protocols
18
What are examples of switching hardware?
Ethernet adaptors and routers
Optical network terminal and Ethernet adapters
Routers and hubs
Modems and hubs
19
Which of the following statements relating to network interference is true?
Wireless networks are largely immune to network interference
Wired networks are largely immune to network interference.
The 2.4GHz radio frequency is the safest wireless frequency
Fibre optic cables are mostly immune to network interference
20
Algorithms excel at solving...
problems for which output is not defined.
problems with insufficient input information.
None of the above.
fuzzy problems.
21
Who invented the World Wide Web (WWW)?
Bill Gates
Tim Berners-Lee
Steve Jobs
Steve Wozniak
22
What kind of network is the internet?
WAN
LAN
Can be either LAN or WAN
Neither LAN nor WAN
23
Which of these words means 'tricking' or 'fooling'?
Fishing
Cracking
Hacking
Spoofing
24
How are online social networks different from actual (offline) social networks?
The information about connections is formalized.
All of the above are true.
The information about connections is centralized.
The information about connections is structured.
25
What is true about domain names?
Each registered domain name has a unique IP address.
A domain name is necessary to connect to a web site.
All of the above are true.
Each IP address has a unique domain name.
26
How do JPG and PNG formats differ?
PNG allows for 'lossless' scaling.
PNG allows for transparency while JPG does not.
PNG stores images in vector format.
All of the above
27
Transistors: Which of statements a to c (if any) is false?
Transistors are getting smaller and smaller.
The smaller transistors get, the higher their design costs.
Quantum computing can offer higher speed for applications.
None of them is false.
28
There is no 100% security. What needs to be balanced?
Privacy and Ethics.
Security and Access.
Encryption and Decryption.
Windows and MacOS.
29
What is social engineering?
Manipulating Social Media to influence decision making.
Building systems with security flaws to be exploited later.
Using Social Media as a platform to enhance info security.
Using social skills to convince ppl to reveal information.
30
What is different in how we process and store data on audio and facts?
The input, processing, and storage tools are different.
None of the above
Only the input is totally different.
The input and data processing are totally different.
31
If we increase the input size of an algorithm, what will happen to the process time?
Depends on the algorithm; all of the above can be correct.
Process time would be increased linearly.
Process time would stay the same.
Process time would be increased exponentially.
32
Choosing a data type that can more accurately hold some content normally comes at the cost of:
Storage size
Neither speed nor size.
Speed of processing
Both speed and size
33
Usability and user experience are related in the following way:
Good usability is important for a good user experience
They refer to the same thing.
None of the above statements are true.
All of the above statements are true.
34
Your email is private except for:
The copy stored at the destination ISP’s server.
All of the above
The copy stored on the servers between you and the receiver.
The copy stored on the servers of your Internet Provider.

Revision COMP111 - 2018S2 Flashcards | StudBud