Đề cương nhập môn công nghệ thông tin | Đại học Văn Lang

1. After a long time, the first computer is called before BC, it wasn't until
the ___ century that the next calculation tool was introduced, called ____: o Answer: 19, Slide rule
2. The Difference Engine was designed at the end of 1840 by: o Answer: Charles Babbage
3. Herman Hollerith (1890) designed: o
Answer: A punched card system for population census calculations
4. First-generation computers are characterized by: o
Answer: Using vacuum tubes
5. ENIAC, EDVAC, and EDSAC computers belong to which generation? o Answer: 1st generation
6. Second-generation computers are characterized by: o
Answer: Using transistors
7. Second-generation computers were built based on: o Answer: Transistors
8. Third-generation computers were based on: o
Answer: Integrated Circuits (IC)
9. The first personal computer was produced by which company? o Answer: IBM
10.The personal computers today are based on the structure of the first
personal computer produced by which company? o Answer: IBM
11.The first industrial revolution started in which country? o Answer: England
12.The first industrial revolution is: o
Answer: Mechanical process
13.The first industrial revolution's invention was: o Answer: Steam engine
14.The second industrial revolution is: o
Answer: Electrical process
15.Which industrial revolution occurred between the late 19th and early 20th century? o
Answer: Second industrial revolution
16.The mass production line using F.W. Taylor's management principles
was applied in which industrial revolution? o
Answer: Second industrial revolution
17.The basic characteristic of the third industrial revolution is: o
Answer: Use of information technology, automation of production
18.In which industrial revolution did computers first get applied in industry? o
Answer: Third industrial revolution
19.Automated production with computers, electronics, and digitization is part of: o
Answer: Fourth industrial revolution
20.The fourth industrial revolution has the characteristic of: o
Answer: Intelligent production thanks to breakthroughs in digital technology, robots
21.The current industrial revolution is which one? o Answer: Fourth
22.The fourth industrial revolution is: o
Answer: Automation, digitalization, and intelligent production
23.The core characteristic of the fourth industrial revolution is: o Answer: Connectivity
24.Information Technology (IT) is a branch of ____ and _____ to convert,
store, protect, process, transmit, and collect information: o
Answer: Computer Science, Computer Engineering
25.The term Blockchain refers to a place where data is: o
Answer: Decentralized and nearly unchangeable
26._____ is a network of connected devices where electronic components are embedded: o
Answer: IoT (Internet of Things) 27.The role of IT in: o
Answer: All fields (economics, healthcare, education, etc.)
28.The importance of IT is reflected in which environments? o
Answer: All of the above (business, education, daily life)
29.Why is IT currently attracting many learners? o
Answer: Because it offers diverse job opportunities and market demand
30.In businesses, IT plays the role of: o
Answer: All of the above (connectivity, competitiveness, supporting tasks)
31.The importance of IT is shown how? o
Answer: All of the above (bridging business growth, sharing
information globally, enabling online learning)
32.According to you, a computer network is: o
Answer: Machines connected together, exchanging information, sharing resources
33.What are the benefits of a computer network? o
Answer: Fast access, sharing data, exchanging information
34.Which statement about computer networks is incorrect? o
Answer: All computers in the network must have the same operating system
35.In what cases are computer networks applied? o
Answer: All of the above (shared resources, reliability, better information quality)
36.The basic meaning of a computer network is: o
Answer: Exchanging and sharing information
37.To connect computers into a network, you need: o
Answer: All of the above (at least two computers, network interface, networking OS)
38.If all devices connect to one HUB or Switch, what type of network topology is it? o Answer: Star topology
39.Local Area Network (LAN) is commonly used in: o
Answer: Small area (office, school, building) 40.LAN stands for: o
Answer: Local Area Network
41.The main purpose of LAN construction is: o
Answer: Connecting computers within a building or school
42.Which of the following is correct for a LAN? o
Answer: High data transfer speed
43.Which type of network is described as having a small physical area (a
building or school) and high speed (>=100Mbps)? o Answer: LAN
44.A network that connects only computers within an office is: o Answer: LAN 45.WAN stands for: o
Answer: Wide Area Network
46.Wide Area Network (WAN) is used in: o
Answer: Large area (country, region)
47.LAN, MAN, and WAN are distinguished by which criteria? o
Answer: Geographical distance
48.The maximum distance for UTP cable is: o Answer: 100 meters
49.The most commonly used type of cable today is: o Answer: UTP (Cat 5)
50.Which type of network cable is the fastest today? o
Answer: Fiber optic (Cáp quang)
51.Which type of cable is commonly used for connecting between
networks or from service providers to modems? o
Answer: Fiber optic cable
52.How many pairs does a twisted pair cable have? o Answer: 4 pairs
53.Which cable is used in computer labs at Văn Lang University? o Answer: UTP (Cat 5)
54.Which statement is correct about a Wireless Repeater? o
Answer: It has the task of receiving and amplifying signals to extend the coverage.
55.Which statement is correct about Hub and Switch? o
Answer: Switch can store the MAC address of connected devices, whereas Hub cannot.
56.Which devices are used in a network? o
Answer: Hub, Switch, Router
Here are the answers to the questions you provided:
1. Which device is considered a bridge between wired and wireless networks? o Access Point
2. Which statement is true about the Internet? o
The Internet is a system of networks that connects computer networks globally.
3. Which of the following is an internet utility? o
All of the above (Email system, Online chatting, Online shopping services)
4. Which is the address of the most popular search engine website today? o http://google.com
(or http://google.com.vn)
5. What is the Internet? o
A global network connecting computers.
6. Choose the incorrect statement about the Internet: o
The Internet transmits data freely without following any protocol. 7. A web browser is: o
An application software that allows users to view and interact with web content.
8. Which of the following is true? o
A webpage can appear differently on different browsers.
9. To view web content, you can use which tools? (Multiple answers) o Mozilla FireFox o Google Chrome
10.To access a website, a user needs to know: o
The domain name of the website.
11.What is a sign that a website is secure? o
URL begins with https://
12.To control internet usage, which method can you use? o
All of the above (Monitoring software, login accounts, child monitoring tools on router)
13.What does FTP stand for? o File Transfer Protocol
14.What is DNS (Domain Name System)? o
A system that converts domain names to corresponding IP addresses.
15.What does the HyperText Transfer Protocol (HTTP) stand for? o
HyperText Transfer Protocol
16.What does ISP stand for? o
Internet Service Provider
17.How can you connect to the Internet? o
All of the above (ADSL, Wi-Fi, Leased line, Modem via phone line)
18.What does WWW stand for? o World Wide Web
19.Who invented the World Wide Web in 1989? o Tim Berners-Lee 20.What is WWW? o
A space that contains information, documents, and resources from websites.
21.Choose the correct statement about World Wide Web: o
It is a global network connecting documents and resources.
22.What is the difference between the Internet and the WWW? o
The Internet connects all computers globally, while the WWW is
a collection of websites on the Internet. Browsers need the
Internet to access the WWW.
23.What does URL stand for? o
Uniform Resource Locator
24.What is a sign of a secure website? o
URL starts with https://
25.What are the components of a URL? o
Protocol, domain name, path to resource
26.What is a web browser? o
A program that allows users to interact with the WWW and access websites.
27.What is a Web Server? o
A computer that hosts web content and serves websites on the Internet.
28.What does HTML stand for? o
Hypertext Markup Language
29.A typical HTML tag consists of three parts: o
Opening tag, content, and closing tag.
30.Which tag appears first and last in a webpage? o and
31.Which tag is used to break a line in HTML? o
32.Which tag is used to set text in bold in HTML? o
33.In HTML, how do you insert four spaces? o IIII
34.In the image tag, which attribute defines the image path? o src
35.To set a background color for a webpage in HTML, which attribute is used? o bgcolor
36.Which HTML attribute is used to display alternative text for an image if it can't be shown? o alt
37.Comments in HTML start with: o
38.Which tag is used to insert an image into a webpage? o

39.Which tag does not need to be closed? o
40.To explain or clarify a portion of the code in HTML without affecting
the webpage’s function, which tag is used? o Comment tag ()
41.Which HTML element creates a new line? o Br
42.Which HTML tag is used to create a horizontal line in a webpage? o Hr
43.When was HTML upgraded to HTML5 with significant improvements? o 2014
44.Which HTML attribute is used to describe an image? o alt
Here are the answers to your questions:
1. To insert a link in a webpage, which tag is used? o Answer: .
2. Which attribute helps to load a webpage in the current window? o Answer: _self.
3. If we have "ax2", which tag would create the superscript 2 as shown in the example? o Answer: <sup>.
4. The basic requirements for a storage system are: o
Answer: Storage capacity and data access speed, data sharing
capability, and data safety and availability. o
Correct Answer: All of the above. 5. RAID stands for? o
Answer: Redundant Array of Independent Disks.
6. DAS stands for which term? o
Answer: Direct Attached Storage. 7. DAS is: o
Answer: Data storage through directly connected devices.
8. DAS (Direct Attached Storage) is: o
Answer: A storage mechanism where devices are directly connected to the server.
9. Which storage type uses directly connected devices for data storage? o
Answer: DAS (Direct Attached Storage).
10.Storing data through IP network belongs to which storage type? o
Answer: NAS (Network Attached Storage).
11.NAS (Network Attached Storage) is: o
Answer: Data storage via a network connected storage device.
12.What is the major disadvantage of NAS storage? o
Answer: Data storage can affect overall system performance (slowing down the LAN).
13.Which storage type can be affected by the performance of the entire
system (slowing down LAN speed)? o Answer: NAS.
14.Which of the following is not true about the advantages of SAN (Storage Area Network)? o
Answer: Easy installation, low cost, and high performance (this is incorrect).
15.Which storage type has the highest initial investment cost? o
Answer: SAN (Storage Area Network).
16.Which storage type is expensive, has high operational costs, and
requires skilled personnel? o
Answer: SAN (Storage Area Network).
17.Which storage type is suitable for applications requiring high speed
and low latency, such as transaction processing in banking and finance? o Answer: DAS.
18.OneDrive and Google Drive are: o
Answer: Public Cloud models.
19.What is the English term for cloud computing? o
Answer: Cloud Computing.
20.Cloud computing is also called: o
Answer: Virtualized computing.
21.Which of the following is a benefit of cloud computing? o
Answer: All of the above (cost saving, scalability, and flexibility).
22.What is the main disadvantage of cloud computing? o
Answer: Privacy, availability, data mobility, data loss, security, and ownership concerns.
23.What is a key advantage of Cloud Computing? o
Answer: All are correct (easy access, flexibility, shared resources, automation).
24.Which statement is most accurate about the cloud model? o
Answer: Information is stored on Internet servers and temporarily on client machines.
25."You can use the service whenever you need it and pay for each use."
This describes which cloud computing characteristic? o
Answer: On-demand self-service.
26.What does IaaS stand for? o
Answer: Infrastructure as a Service.
27.Which layer does IaaS provide? o
Answer: Basic computing resources like CPU, storage, and network.
28.What does PaaS provide? o
Answer: A framework for developers to build applications.
29.What is PaaS's key feature? o
Answer: It provides platforms for developing and deploying applications. 30.What is SaaS? o
Answer: Software as a Service, where users access software
applications hosted in the cloud.
31.What should users build themselves in SaaS? o
Answer: Data (Software is provided ready-to-use).
32.Which cloud service model is Gmail, Dropbox, and Salesforce? o Answer: SaaS.
33.Which cloud service model provides all services including applications, data, OS, and storage? o Answer: SaaS.
34.Which service provides basic computing resources like CPU, storage, and network? o Answer: IaaS.
35.Which cloud model provides complete software applications? o Answer: SaaS.
36.What is the Hybrid Cloud model? o
Answer: A combination of Public and Private Cloud.
37.Which statement about Hybrid Cloud is true? o
Answer: Hybrid Cloud combines the strengths of both private and public clouds.
38.Which cloud model is best for outsourcing non-critical tasks while
keeping sensitive data within the company's control? o Answer: Hybrid Cloud.
39.What are the basic components of a computer? o
Answer: Motherboard, CPU, RAM, hard drive, power supply.
40.What is the mainboard of a computer? o
Answer: The motherboard.
41.What is the primary function of the CPU? o
Answer: To fetch, decode, and execute instructions.
42.What does the Control Unit of the CPU do? o
Answer: It controls the execution of instructions and operation of other components.
43.What is the condition needed for the CPU to transfer data and
communicate with other parts of the computer? o Answer: The system bus.
44.Which component performs calculations and logic operations inside the CPU? o
Answer: The ALU (Arithmetic Logic Unit).
45.Which CPU line is from Intel? o
Answer: Celeron and Core i3.
46.When the power is lost, which memory type loses its data? o Answer: RAM.
47.Which device is used for temporary data storage? o Answer: RAM.
48.Which storage device allows for multiple reads, writes, and deletes? o Answer: SSD.
49.What does RAM stand for? o
Answer: Random Access Memory.
50.What does ROM stand for? o
Answer: Read Only Memory.
51.Which memory types are included in the internal memory of a computer? o Answer: RAM and ROM.
Here are the answers to your multiple-choice questions:
1. The exchange between peripheral devices and a computer is done through: o Answer: A port
2. The keyboard belongs to which part of the computer structure? o
Answer: Peripheral device
3. Which of the following devices is an input device? o Answer: Scanner
4. Which of the following is not a peripheral device of the computer? o Answer: RAM
5. What is a numeral system? o
Answer: A system of symbols and rules used to represent
numbers accurately and determine their values
6. What does the ASCII code do? (Choose two) o
Answer: It is the standard code for communication in computers,
and it represents characters (letters, numbers, symbols, etc.) as numbers
7. What does Bit stand for? o Answer: Binary Digit
8. What is the smallest unit of information? o Answer: Bit
9. Choose the correct sequence of information measurement units in ascending order: o Answer: B, KB, MB, GB
10.The number '8' can belong to which numeral system? o Answer: Decimal system
11.The character 'F' can belong to which numeral system? o
Answer: Hexadecimal system
12.What is computer software? o
Answer: A set of instructions that allows users to interact with
the computer, hardware, or perform tasks. Without software, a
computer’s operations would be meaningless.
13.Licensed software is: o
Answer: Software with closed-source code, and users must pay
to obtain the rights to use the application/source code
14.Which of the following types of software requires payment to use? o
Answer: License Software
15.Microsoft Office is a type of software: o
Answer: License Software
16.Which of the following allows for modifying the software directly? o
Answer: Open-source software 17.What is Shareware? o
Answer: It is a type of software that is available for free for a
limited time, after which you need to pay to continue using it.
18.Which software includes an incomplete or modifiable source code? o
Answer: Open Source Software
19.Which statement about Open Source software is incorrect? o
Answer: You can completely trust the security of the software
20.Which software is system software? o Answer: Device Driver
21.What connects hardware to software and allows communication between the two? o
Answer: Operating System
22.Which of the following is not an operating system? o
Answer: Windows Explorer
23.What is the role of a Device Driver? o
Answer: It allows a computer to interact with external devices
like printers, scanners, graphics cards, etc.
24.What is an example of application software? o
Answer: Changing the font of a document from Times New Roman to Arial
25.What is the most important stage in software development? o Answer: Testing
26.What would happen if testing is skipped in software development? o
Answer: It would seriously affect quality and costs
27.What is the most important stage in software development? o
Answer: Requirement analysis
28.What does OS stand for? o
Answer: Operating System
29.What is the function of an operating system? o
Answer: It is the most important software running on a
computer, managing computer resources and facilitating user interaction
30.Which statement about Operating Systems is incorrect? o
Answer: The operating system does not manage the computer's resources
31.What is the relationship between operating systems and application software? o
Answer: Application software depends on the operating system
32.Which technology led to the explosion of operating systems development? o Answer: Transistors
33.What is a function of an operating system? o
Answer: All of the above (manage user interaction, provide
resources, store information)
34.Which factor is not part of the information security triangle? o Answer: Authentication
35.Which of the following is related to information security? o
Answer: All of the above (Confidentiality, Integrity, Availability)
36.What are the three main principles of information security? o
Answer: Confidentiality, Integrity, Availability
37.How many elements are there in information security? o Answer: Three
38.What is Confidentiality in information security? o
Answer: Ensuring that information is not accessed by unauthorized users
39.What is Integrity in information security? o
Answer: Ensuring that information is not altered by unauthorized persons
It seems you've listed the answers to the remaining questions. I can see that you've
provided answers for questions 19 to 47. Here are the rest of the translations and answers you provided:
19. Which statement is incorrect about the threat of attack? 
Answer: Only the active attacks that damage data need to be guarded against.
20. What type of virus software changes browser settings, modifies the
homepage, adds unwanted toolbars, and leads to malicious websites?  Answer: Hijacker.
21. Which strategy is for information security? 
Answer: All of the above strategies.
22. "Assets accessed by unauthorized individuals. Communications on the
system are blocked or modified" refers to which form of information security threat?  Answer: Sabotage.
23. Which strategy is NOT for information security? 
Answer: Not connecting to the network. 24. What is a firewall? 
Answer: It prevents unauthorized access and filters out packets that are
unwanted, either to protect a single computer or a whole intranet.
25. What is the function of a firewall? 
Answer: It prevents unauthorized access and filters out packets that are
unwanted, either to protect a single computer or a whole intranet.
26. How can you ensure the confidentiality of trusted information when sending it to colleagues? 
Answer: You can encrypt or password-protect the compressed file.
27. What are the measures to ensure information security? 
Answer: Confidentiality, availability, integrity.
28. What do you understand about Ransomware? 
Answer: It is a new type of virus that controls the computer, encrypts the data,
and demands payment to unlock the computer.
29. Which task is related to network administration? 
Answer: Regular maintenance of the network.
30. What is a programming language? 
Answer: A means of expressing algorithms for the computer to perform tasks.
31. Which statement is WRONG? 
Answer: Everyone who uses a computer must know how to program.
32. Which language can a computer directly understand from the following options? 
Answer: Machine language.
33. What is a programming language used for? 
Answer: To write software. 34. Programming is ____ 
Answer: Using data structures and commands from a specific programming
language to describe data and express algorithm operations.
35. What is a programming language? 
Answer: It is a form of language used to write software, scripts, or instructions for developers to follow.
36. Programming languages: (select multiple correct answers) 
Answer: Are sets of instructions guiding the computer to perform tasks; Are
the languages used by programmers to write programs for computers.
37. Which of the following is NOT true about high-level programming languages? 
Answer: The computer can directly understand it without a compiler. 38. What is a compiler? 
Answer: A tool that converts source code into object code (machine language).
39. What are the advantages of compiled programming languages? (select multiple correct answers) 
Answer: The program runs faster.
40. Which statement is correct about compilers? 
Answer: It does not generate any intermediate object code.
41. Which programming language is compiled?  Answer: C.
42. What is an advantage of interpreted programming languages? 
Answer: All of the above options.
43. Which of the following is NOT true when talking about interpreted programming languages? 
Answer: It does not generate intermediate object code.
44. Select an incorrect statement about an Interpreter. 
Answer: It requires more memory due to generating object code.
45. Which programming language uses an interpreter?  Answer: Python.
46. For the problem of checking whether a number N is prime, what is the expected output? 
Answer: N is a prime number or N is not a prime number.
Here are the answers to the questions based on the provided text:
1. The most popular programming languages nowadays (based on the chart): o Python o Java
2. The correct statement about variables: o
A variable is a quantity that is assigned a name and can change value during program execution.
3. The correct statement about variables: o
A variable is used to store values, and its value can change during the program execution. 4. :
The correct statement about constants o
A constant is a quantity that has a fixed value and does not change
during the execution of the program.
5. The languages listed as programming languages: o
Python, Java, MS Excel (Incorrect, Excel is not a programming language) o Pascal, C/C++, C o JavaScript, R o
MS Access (Incorrect, MS Access is a database management system) 6. Java syntax error: o int NamSinh; (No error) o int diem (No error) o String noiDung (No error) o
"Hello World"; (Error: it's not a statement but just a string) o
System.out.println("Hello World"); (Correct)
7. Correct Java command: o
System.out.println("Hello World");
8. Correct Java command to print "I love Van Lang University": o
System.out.println("Tôi yêu Đại học Văn Lang");
9. Correct syntax for declaring a variable in Java: o = ;
10.Correct statement about JavaScript: o
JavaScript is used to create interactive web pages.
11.Correct statement about JavaScript: o
JavaScript is a programming language used to create dynamic content on websites. 12.JS stands for: o JavaScript 13. :
Correct description of JavaScript o
It is a popular programming language used to create interactive web
pages, integrated into HTML to make websites dynamic.
14.Incorrect statement about JavaScript: o
JavaScript is a version of Java for the Web. 15.JavaScript helps: o
Create dynamic content on websites.
16.Incorrect statement about database benefits: o
"Clear and intuitive for non-technical users" (This is not directly a benefit of databases).
17.Definition of raw, unprocessed data: o Data
18.Benefits of databases: o
All of the above (reduces redundancy, ensures data integrity, allows sharing, etc.)
19.Database resource that is shared for many users: o
A database is a shared resource accessible through a network.
20.Database types storing data in tables: o Relational Databases (Correct)
21.DBMS (Database Management System) stands for: o Database Management System 22. : DBMS functionality o
Manages, stores, and retrieves all databases.
23.Features of a database management system (DBMS): o
Storage, retrieval, and update of data.
24.Correct SQL query for extracting data from a table: o SELECT * FROM Customers;
25.SQL statement for updating data in a table: o UPDATE
26.Incorrect statement about the FROM clause in SQL: o
If there is no table name after FROM, it will retrieve data from all tables.
27.SQL query for selecting data from a table: o SELECT * FROM table_1
28.SQL query for selecting student names from certain cities: o
SELECT StudentName FROM Students WHERE BirthPlace = 'Hà Nội' or BirthPlace = 'TPHCM'
29.SQL query for selecting records within a specific age range: o
SELECT * FROM table WHERE age BETWEEN 20 AND 30
30.SQL query to insert a new row into a table: o
INSERT INTO SINHVIEN VALUES ('Q130377', 'Chi', '2005/10/25')</sup>