What is a motherboard?

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

According to the lecture, why does IT affect our psyche?

IT mediates many stimuli we take in

How does Bluetooth differ from Wi-Fi?

Bluetooth links between devices doesnt involve intermediates

How do JPG and PNG formats differ?

PNG allows for transparency while JPG does not.

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

Fibre optic cables are mostly immune to network interference

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

The input and data processing are totally different.

What is social engineering?

Using social skills to convince ppl to reveal information.

What is the purpose of a Denial of Service attack?

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

A filter between a private network and the internet

Usability and user experience are related in the following way:

Good usability is important for a good user experience

Which of the following is NOT a trend in software?

The number of popular Operating Systems has been increasing.

What are the main ways consumers pay for IT services?

With money, attention, or information

Data that has been one-way encoded.

Machine learning is about

using algorithms to learn from data & build adaptive models

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.

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

getting data on and off the network.

What is true about domain names?

Each registered domain name has a unique IP address.

What happens when you boot up a PC?

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

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Revision COMP111 - 2019SS

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Revise material from COMP111 in preparation for the exam

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Questions 34

Answers

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

Revision COMP111 - 2019SS Flashcards | StudBud