Updates to operating systems and web browsers fix bugs, improve performance, and strengthen security. These regular updates may also include useful new features or tools and help protect your device from malware, viruses, or hackers. If you ignore updates, your system might become slow, outdated, or unsafe. Most modern devices allow automatic updates to save time and effort." Question 8: Why are updates important?

They fix bugs and improve security.

Internet browsing is done through applications called web browsers. These include Chrome, Firefox, Safari, and Edge. Browsers allow users to visit websites, watch videos, and download files. They also save passwords and browsing history if allowed. To protect privacy, users can enable private browsing, which does not store history or cookies." Question 10: What does private browsing do?

It does not store history or cookies

Mobile computing allows people to use computing devices while moving. Smartphones, tablets, and laptops are examples of mobile devices. These devices connect to networks using Wi-Fi, mobile data (3G/4G/5G), or Bluetooth. Mobile computing helps users send emails, attend online meetings, or browse the internet from almost anywhere. This makes work and communication more flexible. Question 11: Why is mobile computing useful?

It allows communication from almost anywhere.

It limits users to work in one place.

It only works with desktop computers.

Wi-Fi is a wireless network technology that connects devices to the internet without cables. Most homes and offices have a Wi-Fi router that sends signals to smartphones, laptops, and other devices. The signal strength depends on the distance from the router and walls or obstacles. A weak signal can cause slow connections or lost internet access. Question 12: What can affect Wi-Fi signal strength?

The distance from the router and obstacles.

A hotspot is a physical location where people can access the internet through Wi-Fi. Some smartphones can also create personal hotspots by sharing mobile data. Hotspots are useful when Wi-Fi is not available. However, using mobile data as a hotspot can use a lot of data quickly and drain battery power fast. Question 13: What is one disadvantage of using a mobile hotspot?

It uses a lot of data and battery.

It cannot connect other devices.

Bluetooth is a wireless technology that allows short-range communication between devices. You can use Bluetooth to connect headphones, speakers, or share files between phones. Unlike Wi Fi, Bluetooth works over shorter distances and uses less power. It is ideal for simple tasks like playing music or transferring small files without needing internet access. Question 14: What is Bluetooth mainly used for?

Connecting nearby devices wirelessly

High-speed internet connections

Relational databases are the most common type of database used today. They store data in tables that are linked by relationships. For example, a customer table can be connected to an orders table through a customer ID. This structure makes it easy to find related information and reduce duplication. Popular relational database systems include MySQL, PostgreSQL, and Oracle Database. Question 16: How are relational databases organized?

They use tables connected by relationships.

They store data in a single list.

Database administrators, or DBAs, are responsible for maintaining databases. They make sure the data is secure, backed up, and available to users when needed. DBAs also monitor performance and fix any problems. Without their work, companies could lose important data or experience slow systems. In addition, DBAs help plan for future growth and ensure the system meets business needs. Question 17: What is one role of a database administrator?

Keeping data secure and available

A database management system (DBMS) is software that helps users create, maintain, and control databases. It provides tools for adding new records, updating existing data, and generating reports. Security features in a DBMS protect sensitive information by controlling user access. Some DBMS programs are open-source, while others require a license. Choosing the right DBMS depends on the size of the data and the organization's needs. Question 18: What is one function of a DBMS?

Controlling access to sensitive data

Printing documents automatically

A database is an organized collection of information that can be easily accessed, managed, and updated. Businesses use databases to store customer records, inventory data, and sales transactions. Unlike spreadsheets, databases can handle large amounts of information and support multiple users at the same time. Most databases use a language called SQL, which allows users to create queries to retrieve specific data quickly and accurately. Question 19: What is one advantage of a database over a spreadsheet?

It can manage large data and support many users.

It requires no special language to operate.

Many companies use relational databases because they help connect information across tables. For example, an employee table can link to a department table using a shared ID number. This makes it faster to find related records and reduces data entry mistakes. Relational databases are more flexible than simple flat files. They also allow businesses to manage complex data relationships more efficiently and securely. Question 20: What is one advantage of a relational database?

It is used to connect information across tables.

It only stores names and numbers.

Many companies record video conferences so employees who cannot attend can watch later. These recordings are useful for training and reviewing important discussions. Privacy is important, so participants are usually informed when a session is being recorded. Some platforms automatically notify everyone with a message or sound alert at the start of recording. Question 21: Why do companies record video conferences?

To let people review meetings later

Before joining a video conference, it is recommended to test your camera and microphone. Poor audio or video quality can make communication difficult. Participants should also check the lighting in their room so their faces are clear on camera. If there is background noise, using headphones or muting the microphone when not speaking can help. These steps make online meetings more professional and productive. Question 22: What should you do before a video conference?

Make sure your lighting and audio work well

Leave your microphone on all the time

Ignore camera and microphone settings

One benefit of video conferencing is saving time and travel costs. Instead of flying to another city for a meeting, people can connect instantly online. This also helps reduce carbon emissions from transportation. However, video conferencing can have challenges like poor audio quality or unstable connections. To avoid problems, participants should test their equipment and internet before important calls. Question 24: What is one advantage of video conferencing?

It guarantees perfect audio every time.

It always works without preparation.

Video conferencing allows people to communicate in real time using audio and video over the internet. It is commonly used for remote meetings, interviews, and online classes. Participants can share their screens, send messages, and record sessions for future reference. To join a video conference, users usually need a webcam, microphone, and stable internet connection. Popular platforms include Zoom, Microsoft Teams, and Google Meet. Question 25: What do you need to join a video conference?

A webcam and internet connection

A special computer with extra memory

David works as a database administrator at a medical software company. Every morning, he logs into the system to check performance reports. He is responsible for designing databases that store important information, such as patient records and appointments. David also maintains databases by running regular updates and backups. From time to time, he works with software developers to test new features. If there is a problem with data access, David helps diagnose the problem quickly to avoid delays. Question 26: What does David do to prevent data issues from affecting company systems?

He maintains and backs up the databases

He writes scripts to analyze user traffic

He upgrades devices used by developers

Amira is a helpdesk supervisor at a university IT department. She supervises a team of technical support people who assist staff and students. When someone has a problem with their computer, they contact Amira's team. She assigns the cases and checks that solutions are delivered on time. Amira often joins team calls to review performance and discuss common issues. Sometimes she trains new team members or writes short guides for solving simple problems. Question 27: How often does Amira evaluate her team's support work?

Often, through meetings and performance checks

Daily, by joining service calls

Sometimes, during team performance reviews

Amira is a helpdesk supervisor at a university IT department. She supervises a team of technical support people who assist staff and students. When someone has a problem with their computer, they contact Amira's team. She assigns the cases and checks that solutions are delivered on time. Amira often joins team calls to review performance and discuss common issues. Sometimes she trains new team members or writes short guides for solving simple problems. Question 28: What does Amira do to make sure users receive good support?

She creates simple instructions, manages her team, and tracks their support quality.

She contacts users directly to solve every technical problem.

She upgrades all software and hardware herself during the weekends.

David works a database administrator at a medical software company. Every moming, he logs into the system to check performance reports. He is responsible for designing databases that store important information, such as patient records and appointments. David also maintains databases by running regular updates and backups. From time to time, he works with software developers to test new features. If there is a problem with data access, David helps diagnose the problem quickly to avoid delays. Question 29: Why is David's role important for the company's daily operations?

He ensures data systems run well and helps fix data issues quickly.

He manages the entire II department and writes backup codes.

He tests new medical equipment with doctors.

Last summer, I worked as an intern Software Developer at a local tech startup. I was responsible for small coding tasks and duties such as writing backend functions and fixing bugs. I used to struggle with teamwork, but during the internship I have improved my communication skills. I also participated in daily meetings and project planning. This experience helped me understand my strengths in problem-solving and the importance of being open to feedback. Question 31: What does the intern's experience suggest about learning in real projects?

Real work experiences help improve soft skills like teamwork

Technical skills are more important than communication

Writing code alone is enough to succeed in a company

Linh is applying for her first job as an IT Support Technician. She has written her curriculum vitae carefully, listing her skills in troubleshooting, customer service, and basic networking. She has taken part in several university IT projects and has always enjoyed helping friends fix computer problems. Although she used to be shy, she has become more confident by practicing interview questions with her classmates. She hopes her strengths will help her succeed in the job. Question 32: When did Linh become more confident in her communication?

When she practiced interview questions with classmates

After working for two years in IT customer service

After participating in interviews at several companies

InsightPro is hiring a Data Analyst to join our expanding team. The ideal candidate must have strong analytical skills, attention to detail, and be able to work under pressure. Responsibilities include analyzing large data sets, creating visuals, and preparing reports for management. Prior experience with Python or R is preferred. Applicants must submit a curriculum vitae with relevant qualifications and examples of previous projects. This is a full-time role with competitive salary and performance bonuses. Question 33: How does InsightPro expect the candidate to support the company's goals?

By preparing reports and creating tools to present data clearly

By working with customers to improve sales strategies

By designing websites and managing social media platforms

I have just completed my application for a junior Software Developer role at FutureTech. I wrote a detailed curriculum vitae, describing my qualifications, work experience, and skills. I mentioned that I have developed several mobile apps during university and taken part in open-source projects. The most difficult part was the salary negotiation, as I didn't have much experience with that. However, I explained my strengths and potential to grow. I hope to hear back soon and be invited to an interview. Question 34: What challenge did the applicant face during the job application process?

Negotiating a salary without much prior experience

Submitting a late curriculum vitae to the company

Writing a cover letter for an foreign company

Duy has recently been invited to an IT Support Technician job interview. He submitted his curriculum vitae last week and was selected as a strong candidate. During the interview, he was asked about his communication skills, how he handles technical issues, and whether he can work under pressure. Duy spoke confidently about his experience and strengths and even mentioned a past weakness-time management-which he has improved. He also shared that he used to work part-time as a help desk assistant while studying. Question 35: What does Duy's part-time job as a help desk assistant show about him?

He has real-world experience supporting users in technical environments.

He lacks teamwork experience and prefers personal projects.

He prefers working independently without supervision.

Canon Vietnam has factories producing printers. The R&D Department develops new technology. Human Resources hires staff and coordinates training. The IT Department manages the network and ensures safety. Employees must follow strict rules and should attend all meetings. They also have to connect to secure networks. Marketing promotes products, while Communication coordinates messages. The person in charge of IT helps maintain secure operations. Question 36: What must Canon employees do to follow company technology and teamwork policies?

Follow safety rules, attend meetings, and use secure networks

Wear badges, attend meetings, and avoid system updates

Use personal USB drives and skip communication meetings

Canon Vietnam has factories producing printers. The R&D Department develops new technology. Human Resources hires staff and coordinates training. The IT Department manages the network and ensures safety. Employees must follow strict rules and should attend all meetings. They also have to connect to secure networks. Marketing promotes products, while Communication coordinates messages. The person in charge of IT helps maintain secure operations. Question 37: What do Canon Vietnam employees have to do to follow company safety and teamwork rules?

Connect to secure networks and attend scheduled meetings

Install marketing software and promote new products

Skip meetings and use open wireless networks

Microsoft develops global software solutions. The R&D Department creates tools like AI and cloud platforms. IT Department supports systems and keeps data safe. Staff mustn't share passwords and should report problems. The Board of Directors manages strategy. Sales sells products to clients. Marketing promotes services worldwide. Customer Services assists millions of customers daily with technical support. Question 38: What responsibilities does the R&D Department at Microsoft have?

Creating tools like AI and cloud platforms

Selling services to international clients

Assisting customers with product support

Panasonic Vietnam sells electronics through its Sales Department and promotes them via Marketing. The IT Department supports employees and protects data. Workers must follow rules, including not installing software. The Accounting Department records financial data, and Customer Services assists customers. Human Resources hires staff and manages training. The company must keep its operations secure and efficient. Question 39: Why is the IT Department important at Panasonic Vietnam?

It supports staff and ensures systems are securely managed

It trains new staff and hires technical workers

It helps the Accounting Department record company finances

Foxconn has global factories producing electronics. The IT Department manages networks and keeps systems safe. The R&D Department researches production methods. Staff must wear ID badges and mustn't use personal devices. Human Resources hires and trains employees. The Board of Directors plans strategy. The Communication Department coordinates updates and supports internal communication across departments. Question 40: How does Foxconn ensure workplace safety and communication across departments?

By coordinating updates through Communication and enforcing IT rules

By selling products globally and training its sales team

By promoting employee sales and increasing factory output

Machine learning is a powerful method where systems learn from data instead of being manually programmed. It uses supervised or unsupervised learning, algorithms, and models to make predictions. Neural networks improve their performance, but overfitting remains a concern. How about using machine learning to personalize user experiences in apps and websites by analyzing behavior and adjusting content in real time? Question 41: What is one suggested use of machine learning in the passage?

To personalize app and website content based on user behavior.

To help users write code more efficiently.

To replace manual programming in all business software.

Natural Language Processing (NLP) helps machines understand and respond to human language. It's widely used in applications like chatbots, virtual assistants, and speech-to-text tools. NLP combines deep learning and massive training data to enhance accuracy. Besides, it often works with computer vision in Al systems. What about using NLP to scan long reports and generate short, clear summaries for busy professionals? Question 42: What benefit does NLP offer to professionals reading long reports?

It scans and generates short summaries for quicker understanding.

It helps by highlighting every grammar mistake in the text.

It translates the reports into different languages automatically.

Grok is a smart and witty chatbot created by xAl. It uses supervised learning and huge training data to understand language and provide clever answers. It also adapts quickly using natural language processing and neural networks. Its humorous responses make it engaging for users. What about using Grok for customer service to make support more friendly, interactive, and informative? Question 43: What makes Grok especially effective in customer service interactions?

It responds to questions with helpful, fast, and humorous language.

It ignores context and relies only on pre-written answers.

It gives long technical responses that only experts understand.

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Authored by Bằng Nguyễn

English

University

43 Questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

RAM stands for Random Access Memory. It is important for system performance. More RAM allows a computer to run multiple programs smoothly. For example, is you open a browser, a music player, and a game at the same time, your computer will perform better is it has enough RAM. Low RAM can make the system very slow or even freeze.

Question 1: What does a computer need to run multiple tasks at a time smoothly?

the system performance

RAM

enough RAM

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Screen resolution refers to the number of pixels on a screen. A higher resolution means shaper images and more detail. Common resolution are 1366x768 or 1920x1080. When choosing a monitor or adjust display settings, it is important to consider resolution. A low-resolution screen may make text look shadowy or images unclear. This affects both comfort and productivity, especially during long use.

Question 2: What is the effect of a higher screen resolution?

It makes the screen smaller.

It gives good quality images and more detail.

It uses fewer pixels.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Input devices like a mouse and keyboard are essential for using a Graphical User Interface (GUI). A mouse helps move the pointer and select icons. A keyboard is used to enter text and shortcuts. Touchscreens, found in tables and smartphones, are also input devices that support GUI operations. There tools make it easier for users to work with software.

Question 3: Which is not an input device

keyboards

tables

touchscreens

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A Graphical User Interface (GUI) uses icons, buttons, and windows that allow users to interact with the computer easily. Unlike a Command Line Interface, a GUI is more user-friendly because users can click and drag items with a mouse. Most operating systems like Windows, macOS, and Linux have GUIs. It helps beginners navigate and operate software without typing commands.

Question 4: What is one main purpose of a GUI?

To help users interact with the computer more easily

To increase processor speed

To install more storage space

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Before installing software, users must check the system requirements. These include the operating system, processor speed, RAM, and storage space. If the computer does not meet the minimum requirements, the software may not run properly. Some programs also need a specific type of graphics card or internet connection. Always read the specifications carefully before downloading.

Question 5: Why is it important to check the system requirements before installing software?

To make sure the software is free

To ensure the software works properly on the computer

To choose the best brand of computer

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cookies are small files that websites store on your computer to collect and remember information. They help websites remember user settings, login details, and shopping cart items. While cookies can be helpful for a smoother Browse experience, having too many may slow down your browser. You can delete cookies anytime from your browser's settings menu to improve speed and performance.

Question 6: What is one purpose of cookies?

To upgrade the browser

To store user settings

To increase download speed

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An operating system that supports multitasking lets you run several programs at the same time. For example, you can listen to music, write a document, and browse the internet without closing any of them. Without multitasking, only one application could run at a time, which slows down productivity.

Question 7: Why is multitasking useful?

It increases screen brightness.

It allows many programs to run at once.

It makes the computer smaller.

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