In the “library analogy” we made in class, we said that:

The person is CPU, the desk is the RAM and the bookshelves are the Storage.

What is the primary function of the CPU in a computer system?

To perform calculations and execute instructions.

What is ‘dynamic’ mean in Power BI?

A feature that updates all other graphic components when one is selected

Which of the following is a key feature of Industry 4.0?

IoT, AI, big data, and cyber-physical systems create smart factories.

What distinguishes strong AI from weak AI?

Strong AI shows human-like reasoning, while weak AI is task-specific.

Why is RAM referred to as "random access" memory?

Data can be accessed in any order, regardless of the location.

Which of the following is an example of strong AI?

A robot with human-like cognition, capable of learning and reasoning.

What is the role of the Control Unit (CU) in relation to the ALU?

CU directs the ALU when perform operations based on decoded instructions.

Which of the following best describes Industry 3.0?

Industry 3.0 is defined by digital tech and automation in manufacturing.

AI that is designed to perform specific tasks within a limited scope.

What is a key characteristic that distinguishes a Trojan horse from other types of malware?

It requires the user to download and run it, disguised as legit software.

How does the CPU interact with memory during processing?

The CPU receives data from memory, and stores results back into memory.

Which of the following is true about viruses and Trojan horses?

Viruses replicate and spread without consent, while Trojan horses do not.

Which of the following best describes the behavior of data in RAM?

Data in RAM is erased when the computer is powered off.

What is the primary function of RAM in a computer system?

To store data temporarily while computer is running, allowing quick access

How does digitization impact industries during the shift from Industry 3.0 to Industry 4.0?

Industry 3.0 enhances processes with digital tools; Industry 4.0 transform.

In public-key cryptography, what is the main difference between the public key and the private key?

The private key is secret, while the public key is shared., The public key encrypts messages, and the private key decrypts them.

Which of the following best describes a virus in cybersecurity?

Malicious software that self-replicates and spreads without user knowledge.

Which of the following best describes digital transformation in the context of Industry 4.0?

Using technology to create models, improve production, and experiences.

A Denial of Service (DoS) attack primarily aims to:

Overwhelm a network or server, making it unavailable to users.

What is the typical advantage of using an SSD over an HDD in a computer?

SSDs access data faster, enabling quicker boot times and file loading.

What is the primary function of a storage device in a computer system?

To permanently store data for long-term use.

What is true about RAM?

RAM uses addressed which refers to the physical location on it.

A program that holds data or system hostage until a ransom is paid.

What type of memory is RAM?

Volatile memory, meaning it loses its data when the power is turned off.

Which of the following is a disadvantage of HDDs compared to SSDs?

HDDs are slower, especially when handling or accessing large files.

Which statement is incorrect?

Analog signal can be used in computer

What is the primary difference between RAM and a hard drive in terms of speed?

RAM is much faster than a hard drive.

In the decoding step of the machine cycle, who is the main responsible of the decoding part?

CU is responsible of the decoding step, which is number 2 in the m.c

Which of the following is a key difference between an HDD and an SSD?

SSDs are more durable and have no moving parts compared to HDDs.

Which of the following is a common method used by a Trojan horse to gain unauthorized access to a system?

By impersonating legitimate software to trick users into running it.

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Com-sci quiz 1

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Questions 58

Answers

1
Which of the following is this chart icon?
treemap
column chart
card
slicers
2
In the “library analogy” we made in class, we said that:
The person is CPU, the desk is the Storage and the bookshelves are the RAM.
The person is the RAM, the desk is CPU and the bookshelves are the Storage.
The person is CPU, the desk is the RAM and the bookshelves are the Storage.
The person is the Storage, the desk is the RAM and the bookshelves are CPU.
3
What is the primary function of the CPU in a computer system?
To control the flow of data between devices.
To perform calculations and execute instructions.
To store data temporarily for fast access.
To manage input and output devices.
4
What is ‘dynamic’ mean in Power BI?
A robust and rapid visualization
A feature that makes users easy to navigate and use the system
A feature that summarizes the information in the Power BI report.
A feature that updates all other graphic components when one is selected
5
Which one is an input and display device
Touch Screen
CU
RAM
ALU
6
Which one is take care of calculation
CU
ALU
Touch Screen
RAM
7
If you have a file size of 2 MB, how many bytes does the file have?
2,048,000 bytes
2,000,000 bytes
2048 bytes
2,097,152 bytes
8
Which of the following is a key feature of Industry 4.0?
Focus on traditional manufacturing with minimal technological changes.
The implementation of simple digital systems in manufacturing.
The use of basic automation and computerization of manual tasks.
IoT, AI, big data, and cyber-physical systems create smart factories.
9
Which one is temporary Storage
RAM
ALU
CU
Touch Screen
10
What distinguishes strong AI from weak AI?
Strong AI performs specific tasks, while weak AI can handle any task.
Strong AI shows human-like reasoning, while weak AI is task-specific.
Strong AI is theoretical, while weak AI is already in practical use
Weak AI is limited by programming, while strong AI learns independently.
11
what file type (extension) could not be imported to Power BI
docx
csv
accdb (Microsoft access table-base file)
xlsx
12
Why is RAM referred to as "random access" memory?
Data can only be accessed in random intervals.
It stores data in a fixed order for sequential reading.
Data can be accessed in any order, regardless of the location.
It only allows data to be accessed in sequence.
13
Which of the following is an example of strong AI?
A chatbot that answers customer service queries.
A robot with human-like cognition, capable of learning and reasoning.
An AI system that analyzes medical data to suggest disease treatments.
A voice detector
14
What is the role of the Control Unit (CU) in relation to the ALU?
The CU manages the speed of the ALU.
CU directs the ALU when perform operations based on decoded instructions.
The CU prevents the ALU from performing certain operations.
The CU operates the ALU independently of the CPU.
15
Which of the following best describes Industry 3.0?
Industry 3.0 is solely based on blockchain technology.
Industry 3.0 is defined by digital tech and automation in manufacturing.
Industry 3.0 focuses on AI and IoT to create smarter systems and processes.
Industry 3.0 combines intelligent systems, focus on automation and tech.
16
Which Statement is true
KB < GB < MB < PB
KB < MB < GB < PB
KB < MB < PB < GB
GB < KB < MB < PB
17
What is weak AI?
AI that exhibits human-like consciousness and emotions.
AI that is designed to perform specific tasks within a limited scope.
AI that can understand and create original thoughts.
AI that can perform any intellectual task that a human can.
18
Which of the following is this chart icon?
treemap
Column chart
slicers
card
19
What is a key characteristic that distinguishes a Trojan horse from other types of malware?
It can replicate itself to spread across networks.
It requires the user to download and run it, disguised as legit software.
It encrypts files and demands a ransom payment.
It spreads by attaching itself to email attachments and documents.
20
How does the CPU interact with memory during processing?
The CPU communicates with the secondary storage for fetching instructions
The CPU acts as a backup storage for memory.
The CPU sends instructions to the memory to execute.
The CPU receives data from memory, and stores results back into memory.
21
Which of the following is true about viruses and Trojan horses?
Trojan horses replicate like viruses and can spread to other systems.
Viruses replicate and spread without consent, while Trojan horses do not.
Trojan horses spread through network flaws, viruses via social engineering.
Viruses disguise as legitimate software, while Trojan horses do not.
22
Which of the following best describes the behavior of data in RAM?
Data in RAM is not accessible by the CPU.
Data in RAM is slower to access compared to hard drives.
Data in RAM is erased when the computer is powered off.
Data in RAM is stored permanently and remains after computer is turned off.
23
Where can you find smart Q&A in Power BI service?
Data sheet
Report
Dashboard
All of the above
24
What is the primary function of RAM in a computer system?
To store data temporarily while computer is running, allowing quick access
To process data and perform calculations.
To control the flow of data between the CPU and external devices.
To permanently store data and applications
25
if '0101 1100' is the code of 'A' what will be the code of 'C'.
0101 1111
0110 1010
0101 1110
0110 1011
26
Which one is control all processes in the computer
RAM
Touch Screen
ALU
CU
27
How does digitization impact industries during the shift from Industry 3.0 to Industry 4.0?
Digitalization reduces costs while integrating technological solutions.
Digitalization is key to the transition from Industry 3.0 to Industry 4.0.
Industry 3.0 enhances processes with digital tools; Industry 4.0 transform.
Digitalization automates basic tasks but doesn't change business models.
28
Which of the following is this chart icon?
treemap
column
card
slicers
29
In public-key cryptography, what is the main difference between the public key and the private key?
The private key is secret, while the public key is shared.
The public key decrypts messages, and the private key encrypts them.
The public key encrypts messages, and the private key decrypts them.
Both keys are used interchangeably for encryption and decryption.
30
Which of the following best describes a virus in cybersecurity?
Malicious software that self-replicates and spreads without user knowledge.
A cyberattack where attackers impersonate trusted entities to steal data.
A security software tool used to prevent unauthorized access.
Malware targeting web browsers to steal user credentials.
31
Which of the following best describes digital transformation in the context of Industry 4.0?
Manual processes combined with computers for record-keeping.
Using technology to create models, improve production, and experiences.
The process of merely upgrading existing digital tools and systems.
The replacement of traditional machines with digital equipment.
32
A Denial of Service (DoS) attack primarily aims to:
Overwhelm a network or server, making it unavailable to users.
Monitor and control user activity on a network.
Encrypt files and demand a ransom for their release.
Steal sensitive data from users.
33
Which of the following is a role of the Arithmetic Logic Unit (ALU)?
Controlling the timing of processes in the computer.
Performing calculations
Decoding instructions for execution.
Managing the computer’s data storage.
34
What is the typical advantage of using an SSD over an HDD in a computer?
SSDs offer slower data access speeds but higher storage capacity.
SSDs require more power to operate than HDDs.
SSDs access data faster, enabling quicker boot times and file loading.
SSDs are cheaper than HDDs and have larger storage capacity.
35
What is the primary function of a storage device in a computer system?
To temporarily store data that is actively being used.
To permanently store data for long-term use.
To process and execute data.
To manage the power supply of the computer.
36
How many kilobytes (KB) are in 1 gigabyte (GB)?
1,048,576 KB
1000 KB
1024 KB
1,000,000 KB
37
How many bytes are there in 1 gigabyte (GB)?
1024 KB
1024 MB
1024 bytes
1024 GB
38
The result from comparison operation could be:
a number
True only
True or False
False only
39
What is true about RAM?
HDD are faster than RAM, but only when computer is smartphone with mobile
RAM uses addressed which refers to the physical location on it.
RAM stores data randomly but allows fast access using known addresses.
RAM is slower than a hard drive.
40
What is ransomware?
A program that holds data or system hostage until a ransom is paid.
A program that steal information from your computer
A program that opens computer backdoors for hackers or other attacks.
None of the above
41
What type of memory is RAM?
A type of storage memory used for long-term file saving.
Volatile memory, meaning it loses its data when the power is turned off.
Non-volatile memory, meaning it retains its data without power.
A type of read-only memory that cannot be changed.
42
Which of the following is a disadvantage of HDDs compared to SSDs?
HDDs are more durable due to their lack of moving parts.
HDDs are much more expensive than SSDs.
HDDs consume more power than SSDs, which affects battery life.
HDDs are slower, especially when handling or accessing large files.
43
Which statement is incorrect?
More bits in quantization give a better representation of the analog signal
Analog signal can be used in computer
ADC means "Analog to Digital Converter"
Computer will use DAC to convert digital signal to analog signal.
44
What is the primary difference between RAM and a hard drive in terms of speed?
RAM is much faster than a hard drive.
Hard drives are faster than RAM, but only when the computer is idle.
Both RAM and a hard drive have the same access speed.
RAM is much slower than a hard drive.
45
The signal in the computer machine is called
All the above.
The analog signal
The decimal base signal
The digital signal
46
In a typical CPU, which component is directly responsible for arithmetic and logical operations?
Input/Output Unit
Memory Unit
Control Unit
Arithmetic Logic Unit
47
Which one is not in the group?
Printer
Screen
Keyboard
Speaker
48
In the decoding step of the machine cycle, who is the main responsible of the decoding part?
CU is responsible of the decoding step, which is number 3 in the m.c
CU is responsible of the decoding step, which is number 2 in the m.c
ALU is responsible of the decoding step, which is number 2 in the m.c
ALU is responsible of the decoding step, which is number 3 in the m.c
49
How many bytes are there in 1 kilobyte (KB)?
512 bytes
2048 bytes
1024 bytes
1000 bytes
50
Which of the following is a key difference between an HDD and an SSD?
SSDs have moving parts, while HDDs do not.
SSDs are more durable and have no moving parts compared to HDDs.
HDDs consume less power than SSDs.
HDDs are faster than SSDs.
51
Which of the following is a common method used by a Trojan horse to gain unauthorized access to a system?
By spreading through email attachments and downloading additional malware.
By impersonating legitimate software to trick users into running it.
By using a brute-force attack to crack login credentials.
By exploiting a security vulnerability in the operating system.
52
What is a Trojan horse in the context of cybersecurity?
Malware disguised as a legit program, giving attackers unauthorized access.
A type of malware that spreads by attaching itself to legitimate files.
A security measure used to detect and block unauthorized access.
A cyberattack that floods a system with traffic to make it unavailable.
53
Which of the following is this chart icon?
card
Treemap
slicers
column chart
54
What is the main difference between digitalization and digital transformation?
Digitalization involves hardware; transformation emphasizes software use.
Both mean shifting from analog to digital systems with no major difference.
Digitalization is one-time; digital transformation is a continuous process.
Digitalization converts analog to digital; transformation changes models.
55
How many kilobytes (KB) are in 1 megabyte (MB)?
1024 bits
8192 bits
8,388,608 bits
8 bits
56
When comparing an HDD and an SSD, which of the following is true regarding storage capacity and cost?
HDDs and SSDs have similar storage capacities and pricing.
SSDs offer higher storage capacities but at a much lower price than HDDs.
SSDs provide unlimited storage capacity, while HDDs are limited.
HDDs give more storage for a lower price than SSDs.
57
The Control Unit (CU) is responsible for:
Managing the computer’s memory.
Storing temporary data for quick access.
Fetching, decoding, and storing a result.
Executing arithmetic and logical operations.
58
What is a key driver of digital transformation in Industry 4.0?
The introduction of simple digital tools to replace paper-based processes.
Increased manual labor in manufacturing processes.
AI, machine learning, and real-time data improve efficiency and decisions.
The shift away from automation to a more human-centered approach.

Com-sci quiz 1 Flashcards | StudBud