WorksheetsKiến thức CNTT cơ bản
Total questions: 133
Worksheet time: 1hrs 22mins
What is computer hardware?
Specific physical components of a computer such as monitor, mouse, keyboard,...
The structure of software in terms of logic
The structure of software in terms of physicality
All three options are incorrect
Which option shows that a laptop has advantages over a desktop computer?
Laptops can be taken anywhere
A laptop can reuse its components for other laptops
Repairing a laptop is less expensive
Laptops are usually larger than desktops
In computers, what does PC stand for?
Personal Computer
Performance Computer
Personnal Connector
Printing Computer
A type of computer with a touchscreen, where users can use a stylus or selection tool to tap on, select an object, or input information through an integrated virtual keyboard is?
Tablet
Server
Desktop computer
FX500 computer
What is a smartphone?
A phone that integrates a mobile operating system platform with many advanced support features
Supports all types of operating systems
More durable than other mobile phones
A phone that only has calling and listening functions
Which device is a peripheral of a computer?
Printer
Mp3 player
Tablet
E-book
What devices are used to input data into a computer?
Keyboard, webcam, mouse, scanner
Computer speakers
Fax machine
Printer
Which devices are classified as peripheral devices?
Keyboard, mouse, monitor, printer
Mainboard, CPU, CD-ROM Drive, Mouse
HDD, CD-ROM Drive, FDD, keyboard
Monitor, CPU, RAM, Main
The components: RAM, CPU, input-output devices are?
Computer hardware
Computer software
Storage devices
Network and transmission devices
What are the components: RAM, CPU, input-output devices?
Computer hardware
Computer software
Storage devices
Network and communication devices
What does the term 'RAM' stand for?
Random Access Memory
Read Access Memory
Recent Access Memory
Read And Modify
What is ROM?
Read-only memory
Temporary memory
Read-write memory
External memory
What is CPU?
The central processing unit of a computer
The storage device of a computer
The input device of a computer
The display device of a computer
What does MB (Megabyte) measure?
The capacity of storage devices like hard drives
Network speed
The speed of the computer's power supply
Screen resolution
What does ROM stand for?
Read Only Memory
Random Only Memory
Read One Memory
Random One Memory
Which statement is true regarding CPU?
CPU stands for Processing Unit, the central processing unit integrated in a chip called a microprocessor, to process data and execute program instructions
CPU is made up of RAM and ROM
CPU stores user software
CPU is often integrated with a chip called a microprocessor
What is the smallest unit of a computer?
Bit
Byte
Megabyte
Terabyte
What is a Bit?
All answers are correct
The smallest unit of information used in computers
A small element that carries one of two values 0 and 1
A unit of information measurement
How many bits are in 1 byte?
8 bits
2 bits
10 bits
16 bits
How many bytes are in 1 KB?
1024 bytes
1000 bits
1024 bits
1000 bytes
What are the main tasks of the CPU?
Data processing
Data storage
Data input
Data output
Name the types of internal memory?
Random Access Memory (RAM) and Read Only Memory (ROM)
Random Access Memory (RAM)
Read Only Memory (ROM)
Disk
What are the types of internal memory?
Random Access Memory (RAM) and Read-Only Memory (ROM)
Random Access Memory (RAM)
Read-Only Memory (ROM)
Hard disk
Which devices can be missing in a computer system?
Floppy disk drive
Power supply
RAM
Monitor
What are the main functional blocks of a computer?
Central processing unit, memory, input/output devices
Central processing unit, memory
Memory, input/output devices, monitor
Central processing unit, memory, input devices
What are the basic components of a computer?
CPU, storage devices, memory, input and output devices
CPU, storage devices, memory
CPU, memory, input devices
Memory, input devices, output devices, and humans
Which statement is correct regarding RAM and ROM?
RAM is read and write memory, while ROM is read-only memory
ROM is often used by applications to temporarily store data. RAM is used to store data files
RAM is not erased when the computer is turned off. ROM is erased when the computer is turned off
RAM and ROM are both random access memory
When reading the configuration parameters of a typical computer: 2GHZ-320GB-4.00GB, what does the number 4.00GB indicate?
Indicates the capacity of Random Access Memory (RAM)
Indicates the speed of the processor
Indicates the capacity of the hard disk
Indicates the capacity of Read-Only Memory (ROM)
Which device is used for data storage?
USB
Printer
Webcam
Controller
Which component of a computer can prevent it from starting if it is damaged or improperly connected?
Hard disk
Mouse
Keyboard
Printer
Which group includes devices classified into the same type?
Internal hard disk, external hard disk, optical discs (CD, DVD), memory cards, portable storage
External hard disk
Which group includes devices classified in the same category?
Internal hard drive, external hard drive, optical discs (CD, DVD), memory card, portable storage
Internal hard drive, printer, optical discs (CD, DVD), memory card, portable storage
Internal hard drive, external hard drive, USB, memory card, scanner, portable storage
Printer, scanner, monitor, speaker
Which port does a Scanner connect to a computer?
USB
RJ 45
Jack 3.5
RJ 11
What type of device is a computer keyboard among the following devices?
Input device
Output device
Storage device
Exit device
Identify the input device?
Scanner
Printer
Speaker
Monitor
Which device performs data input among the following devices: Monitor, printer, plotter, keyboard, hard disk, floppy disk, mouse, speaker, scanner?
Keyboard, mouse, scanner
Printer, monitor, scanner, mouse
Plotter, hard disk, floppy disk, keyboard
Scanner, speaker, mouse, monitor
The electronic device used to capture and store images automatically instead of using film is what type of machine?
Digital camera
Regular camera
Webcam
Photo scanner
Between printer and scanner, which device is used to input information into a computer?
Scanner
Printer
Both
None
Which device is essential in a computer?
CPU
Floppy disk
CD drive
Printer
Which devices: mouse, keyboard, scanner, belong to which functional block?
Input device
Output device
Processing block
Storage devices
Choose the group that contains a device not in the same group as the others?
Keyboard, mouse, scanner, plotter
Keyboard, mouse, scanner, printer, projector
Scanner, tablet, floppy disk (FDD)
Monitor, printer, server, smartphone
Which device performs the output operation among the following devices: Monitor, printer, keyboard, projector, floppy disk, mouse, speaker, scanner?
Monitor, Printer, Projector, Speaker
Keyboard, Mouse, Scanner, Printer
Printer, Monitor, Scanner, Mouse
Monitor, Hard disk, Floppy disk, Keyboard
What are the common output devices today?
Monitor, Touch screen, Printer, Speaker, Headphones
Monitor, Hard disk
Printer, Floppy disk
Monitor, Floppy disk
Which devices: monitor, speaker, printer, belong to which functional block?
Output devices
Input devices
Processing block
Storage devices
Choose the group that has a device not in the same group as the others?
Monitor, Printer, Speaker
Monitor, Printer, Keyboard
Printer, Keyboard, Mouse
Printer, Scanner, USB
What is public software?
Software that is not copyrighted, anyone can use it for free without restrictions
Software that has a fee and you can share it with others for free
Trial software limited in time and features
Software that is copyrighted and can be modified by anyone
What is an example of system software?
Operating system
Floppy disk
CD
Keyboard
Which statement is correct?
Software is a collection of commands written in one or more programming languages, and related data or documents to automate certain tasks or functions
Software is a collection of input devices like scanners, keyboards, mice,...
Software is a collection of output devices like monitors
What is the program that controls devices in the CD accompanying when adding peripheral devices to the computer called?
Driver
IOS
RAM
ROM
What is the main function of the Operating System?
All answers are correct
Execute commands as requested by the user
Manage, distribute, and reclaim memory
Control peripheral devices such as disks, printers, keyboards, screens
Name some operating systems?
Linux, Windows, Mac OS
Linux, Turbo
Windows, Max
Linux, Window
What system is a collection of software programs running on a computer, used to operate, manage hardware devices and software resources on the computer?
Operating System
Application Software
Hardware
Various types of intermediate compilers
Which software is installed first on the computer?
MS Windows
Ms Office
FireFox
Norton Antivirus
Name some operating systems?
Linux, Windows, Mac OS
Linux, Turbo
Windows, Max
Mac OS, Window
Which statement is correct?
Application software needs an operating system to run
Application software does not need an operating system to run
The operating system needs application software to run
Computers do not need an operating system to run
What is an Operating System?
Software that manages and distributes computer resources for applications
Web browser
Information search software
Office software
Which operating system is not used for computers?
Android
LINUX
Windows 7
WindowsXP
What characteristics do Windows and Linux software have?
Which operating system is not used for computers?
Android
LINUX
Windows 7
WindowsXP
What common characteristic do Windows and Linux software have?
They are all operating system software
They are all application software
They are all wideband services
They are all hardware devices
Which of the following software is application software?
Microsoft Word
Windows 7
Linux
Unix
Fill in the blank: '... is a structure that includes a set of operations and related results used in development to produce a software product.'
Which statement is incorrect?
Open Source Software: has copyright registration, does not allow copying in any form
Commercial Software: has copyright registration, does not allow copying in any form
Shareware: has copyright, trial before purchase. If you want to continue using the program, you are encouraged to pay the author
Freeware: allows others to use freely or under certain mandatory conditions. For example, include the author's name
Which of the following statements is false?
Open source software must be purchased to use
Open source software allows users to modify the source code
Open source software is free software
Open source software allows users to share with others
Which software is not open source software?
Microsoft Office
Ubuntu
Open Office
Mozilla Firefox
Which statement is correct?
Open source software has no warranty
Open source software harms users
Which statement is correct?
Open source software has no warranty
Open source software harms users
Open source software does not allow redistribution
Open source software has no copyright
Which device determines the performance of a computer?
CPU
Mouse
Keyboard
Printer
What factors does the speed of a computer depend on?
All answers are correct
The speed of the processor, the speed, capacity, and free space of the hard drive
The capacity of random access memory (RAM)
The operating system and the process of defragmenting files periodically
Which option allows improving the performance of a computer?
Upgrading RAM and CPU of the computer
Adding a wireless network card
Adding wireless devices
Increasing the number of connection ports
What action should be taken to increase the performance of a computer?
Remove programs that are never used and close some applications running at the same time
Regularly restore files from the recycle bin
Always keep the manufacturer's programs on the computer
Run multiple antivirus programs to increase protection
Which option is correct?
When switching to Sleep mode in Windows 7, the computer still consumes power
When switching to Sleep mode in Windows 7, the computer does not consume power
When switching to Shutdown mode in Windows 7, the computer still consumes power
When switching to Logout mode in Windows 7, the computer does not consume power
From a geographical perspective, computer networks are divided into?
Local network, wide area network, global network
Local network, global network, wide area network, global network
Global network, wide area network, global network
Local network, global network, wide area network
LAN stands for?
What does LAN stand for?
Local Area Network
Location At Network
Local At NetWork
Local Area Net
What does WAN stand for?
Wide Area Network
Winde Area Network
Wide are network
Wide area networks
What benefits do we get from using LAN?
All answers are correct
Centralized management
Resource sharing (hard drives, databases, printers, utility software, ...)
Easy maintenance
Is LAN a network connecting computers?
Close to each other
Far apart
Using the same operating system
Not using the same protocol
Is WAN a network connecting computers?
Far apart
Using the same operating system
Close to each other
Not using the same protocol
Which factors are used for local area networks (LAN)?
Resource sharing (printers, scanners, ...)
Connecting computers for distant geographical areas
Connecting via telecommunications and satellites
Low speed
Based on usage scale, what types of networks are there?
All answers are correct
LAN
WAN
Internet
What technique is used to connect multiple computers in an office?
LAN
WAN
MAN
Internet
What is the basic unit used to measure data transmission speed?
bps (bit per second)
Bit
Byte
Hz
What does MBps measure?
Data transmission speed
CD write speed
Data read speed from hard drive
Write speed
Identify the information transmission medium?
All answers are correct
Telephone cable
Fiber optic cable
Radio waves
What is Intranet?
What is Intranet?
It is the connection of computers within an organization, depending on the administrator's configuration, whether each information is allowed to be sent outside or not.
It is the connection between two computers.
It is the connection of computers on a global scale.
It is the connection of computers within a small range (home, office, ...).
What does Internet mean?
A global information system that can be publicly accessed consisting of interconnected computer networks.
A computer system.
A server system.
A network infrastructure system.
What does 'Download' mean?
To download a file or folder.
Being downloaded.
Downloaded.
Not online.
Name the Internet connection services?
All answers are correct.
Dial-up.
ADSL.
FTTH.
What are the Internet services for users?
All answers are correct.
E-commerce.
Online banking.
E-government.
Which is the method of working online?
All answers are correct.
E-learning.
Teleworking.
Teleconference.
Which statement about email is correct?
Email is short for Electronic mail, which means electronic mail.
Email address matches the name on the ID card.
Email is delivered by postal workers.
It is expensive.
The structure of an email address is
Which information is about email?
It is a service that performs information transmission over the Internet through email boxes.
The mail carrier just needs to leave the mail in the mailbox before the recipient can know the content.
It is a service only for those working in the telecommunications field.
This service does not exist.
What are the benefits of email compared to regular mail?
All answers are correct.
Speed.
What are the benefits of email compared to regular mail?
All answers are correct
Speed of sending and receiving mail is fast
Less transportation and storage cost
The volume of mail sent and received is larger than regular mail
Which statement is true about instant messaging?
Allows sending files such as documents, images, video clips, and audio
Any user can access the group without needing an invitation
Status notifications are displayed only when the user is online
Cannot change the status and name of each user's status
What are the main characteristics of voice transmission systems over IP protocol (VoIP)?
Provides a link to traditional telephone networks without additional costs
Depends on the hardware used
Can only be implemented by software
Depends on the type of virtual network supporting it
Which of the following is true regarding voice transmission systems over IP (VoIP)?
Does not require a traditional telephone line
Only available on personal computer systems
Depends on the type of hardware used
Specialized in business environments
What is a forum?
A place for Internet users to exchange discussions and chat
An organization for artistic creativity
An organization for information technology
An online chat program
Fill in the blank: '... is a centralized and unique access point, integrating service information channels, applications, and is a software system product developed based on a core software product.'
What is a software product developed based on a core software product?
Electronic portal
Electronic news site
Newspaper
Internal news
Fill in the blank: '... is an information system used to create one or more pages with information presented in writing, numbers, images, sounds, or more specifically symbols to serve the purpose of ...'
Electronic news site
Electronic portal
Newspaper
Internal news
What is a place for Internet users to exchange discussions and chat?
Forum
Chatroom
Blog
Website
Fill in the blank: '... is a form of direct discussion on the Internet, you can discuss, exchange and receive answers almost immediately, similar to when you talk on the phone.'
Chatroom
Blog
Forum
Website
Which option is correct regarding posture correction when using a computer?
Arms, forearms, and wrists should be straight with the desk. Feet should be on the floor and at a right angle to the knees.
Knees should be at a right angle but in a lower position than the pelvic frame.
Always use a footrest.
Head and chin should lean towards the floor to prevent weight imbalance on the back and spine issues.
What are the harms of sitting too long in front of a computer?
All answers are correct
Eye strain
Back pain
Nervous tension
How should you place your computer screen for your eyes?
Not facing the entrance, window, or light
No light shining in
Facing the entrance, window, or light
In a dark room
What is the benefit of recycling computer parts?
Reduce environmental pollution
Reduce diseases for computer users
Save costs for businesses
What is the purpose of recycling computer parts?
Reduce environmental pollution
Reduce diseases for computer users
Save costs for businesses
Cause environmental pollution
Which of the following passwords is hardest to crack by hackers?
p@ssWord123
password
123456
h3llo
What is an example of a good password?
A password longer than 7 characters including uppercase letters, numbers, and special characters
Choose a password with less than 6 characters
The password must be similar to the user's profile (date of birth)
The password consists only of letters or numbers
What is the best way to prevent issues when transacting online?
All answers are correct
Do not disclose personal information
Be cautious of phishing emails
Set a password longer than 7 characters, including uppercase letters, numbers, and special characters
What device operates in a networked computer environment to block certain communications as per personal or organizational security policies?
Firewall
Wireless access point
Router
Switch
What is a computer virus?
A computer program that can self-replicate to damage or steal information
Biological viruses spread through shared keyboards
A computer program that describes the behavior of viruses
A computer program that operates even when the machine is turned off
What capabilities does a computer virus have?
Self-replicate to infect
Spread through scanners
Spread through screens
Spread through printers
What type of malicious code does not have self-replicating functions but can still cause damage similar to a virus?
Trojan
Worm
Logic bomb
Stealth virus
What software can harm a user's computer?
Virus, Spyware
Virus
Spyware
Microsoft Office
If you receive an email with an attachment that you do not recognize, how should you handle this situation to ensure safety?
You receive an email with an attachment that you do not recognize, how will you handle this situation to ensure safety?
Scan the file with antivirus software
Open the file to check the file type
Forward this email to someone without an IT background
Save a copy of this file to the hard drive and open this copy
To prevent viruses, what is the best way?
Use well-known antivirus programs and update them regularly, frequently check drives, especially be cautious when copying data from elsewhere
Use USB without scanning for viruses
Do not connect the computer to the Internet
Only scan for viruses on the drives where the operating system is installed
When did the Information Technology Law come into effect?
June 29, 2006 and effective from January 1, 2007
June 29, 2005 and effective from January 1, 2006
June 29, 2007 and effective from January 1, 2008
June 29, 2008 and effective from January 1, 2009
What is a legally binding agreement that specifies the terms of use of an application and defines the rights of the producer and the end user?
Software License
Producer Copyright
Non-Disclosure Agreement
Web User Agreement
Which of the following statements is false?
Installing cracked software or games does not violate copyright law
Installing software or games from a licensed CD does not violate copyright law
Installing software or games from a copied CD violates copyright law
Installing software or games from a borrowed CD violates copyright law
Fill in the blank: '... is the exclusive right of an author for their work.'
(a)
Choose the correct option to fill in the blanks: "... is the copyright of an author for this author's work"
Copyright
Copying rights
Transfer rights
All of the above
What options can a software usage license establish?
Transfer price of rights
Freedom to do business on the licensed copy
Freedom to transfer the program to third parties
Users are free to promote themselves as the authors of the software
Which office software uses open source licenses?
Open Office
Microsoft Office
Windows 7
Kaspersky
When an agency purchases a computer program, under what circumstances can this program be installed for free in that agency?
When there is copyright permission allowing this
When that agency has fewer than 10 employees
When this program costs less than 100,000 VND
When it is used on a maximum of 3 computers at a time
Which option best describes open source software?
Software with available source code that can be modified by anyone
A software option that users can buy the source code of applications
Software developed by two or more individuals
Software used to open a specific set of files
What is the best way to combat security vulnerabilities in operating system software?
Always update system software
Do not update system software
Reinstall the operating system
Shutdown the system when not in use
What should we do to protect data?
Back up data regularly
Do not back up data for storage
Share data with many users
Do not set a password to protect documents
