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

The input and data processing are totally different.

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

getting data on and off the network.

Which of the following is NOT a trend in software?

The number of popular Operating Systems has been increasing.

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

IT mediates many stimuli we take in

What is true about domain names?

Each registered domain name has a unique IP address.

Machine learning is about

using algorithms to learn from data & build adaptive models

How do JPG and PNG formats differ?

PNG allows for transparency while JPG does not.

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.

Usability and user experience are related in the following way:

Good usability is important for a good user experience

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.

What are the main ways consumers pay for IT services?

With money, attention, or information

A filter between a private network and the internet

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

Fibre optic cables are mostly immune to network interference

Data that has been one-way encoded.

How does Bluetooth differ from Wi-Fi?

Bluetooth links between devices doesnt involve intermediates

What is the purpose of a Denial of Service attack?

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

What is social engineering?

Using social skills to convince ppl to reveal information.

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

Revision COMP111 - 2019SS Flashcards | StudBud