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WorksheetsKiểm tra Hệ điều hành
Total questions: 99
Worksheet time: 1hrs 15mins
Hệ điều hành là gì?
Phần mềm để chạy ứng dụng.
Middleware để chạy ứng dụng.
Môi trường để chạy ứng dụng.
Phần mềm tiện ích.
What is an important development step of personal computer operating systems?
Plug & play mechanism.
User-friendly interface.
Having an operating system.
Using graphical interface with visual elements.
What is the default interface of personal computer operating systems?
Command line interface.
Text-based interface.
Graphical interface.
Simple command line interface.
What does the graphical interface represent objects by?
Numbers.
Text.
Images.
Sounds.
What is a window?
Allows observation of objects in graphical form.
A tool to indicate points of action on the screen.
A rectangular area on the screen dedicated to an application.
A symbol for easy memory.
What does the easy memory symbol allow?
Observation of objects in graphical form.
Zooming in and out.
Displaying with a pointer on the screen.
Launching an application.
Which operating system does a PC use?
Graphical operating system macOS.
Operating system LINUX.
Graphical operating system Windows.
Operating system UNIX.
From which operating system does LINUX derive?
Windows.
macOS.
DOS.
UNIX.
How does the personal computer operating system develop mechanisms to automatically recognize external devices when starting the computer?
plug & play
plug & done
plug & win
win & done
Which of the following is NOT a function of the operating system?
Drafting documents
Providing an environment for users to run applications
Copying, deleting, and converting data files
Managing computer devices
What can I use the utility of File Explorer in Windows for?
Quick access to applications.
Managing files and folders.
Observing the display status.
Performing tasks.
What can you use the File Explorer feature of Windows for?
Quick access to applications.
Manage drives and folders.
Observe the display status.
Perform tasks with the interface.
To display the selection of commands that can be executed with the drive, what must you do?
Click the right mouse button.
Double-click the mouse.
Click the left mouse button.
Press the CTRL+ENTER key combination.
What is a utility?
A versatile software.
A file containing many sub-files.
Tools that support various other tasks.
An application software.
What is a hard disk?
A disk that contains software.
A type of disk made of magnetic material.
A disk that contains various utilities.
An optical disk.
Data is read and written by?
The heads along straight lines.
The heads along concentric circles.
The heads along curved lines.
The heads along arcs.
How much data does each sector store?
512 bytes.
512 megabytes.
512 gigabytes.
256 bytes.
In Windows, the CTRL+SHIFT+N key combination is used to:
Delete files and folders.
Create a new subfolder (alternative: mouse + menu + folder).
Select additional files or folders.
Select files and folders.
In which version of the OS was the plug & play mechanism first used?
Windows XP
Windows 7
Windows 95
Windows 10
What is an operating system?
A device that processes information.
An environment that helps application software access hardware.
A provider of control services for computers.
A provider of utility software.
A linked list will lose its connection if?
There are some nodes linked to the same node.
Reading is not possible, it needs to be a loose list.
It creates orphan data segments that are on disk but cannot be accessed.
It leads to data loss on the file.
What is the reason for converting to machine code to help prevent software modification and protect intellectual property?
Readable code.
High security code.
Very hard to read code.
Code is loaded into ROM.
What is the reason for the emergence of open-source software?
Not sharing source code.
Same author creates source code.
Sharing source code for joint development.
To protect ideas and prevent modification.
Which of the following is commercial software? (A, B, D are open-source software)
Inkscape.
GIMP.
Microsoft Word.
Programming environment for Python.
What are the characteristics of self-taught software?
It is free software, used freely without permission.
It is utility software.
It is system software.
It is application software.
What is the public license GNUGPL?
License for open-source software.
License for closed-source software.
License for both open-source and closed-source software.
Ensures the right to credit authors involved in development.
Which of the following belongs to commercial software?
Commercial and packaged software.
LINUX operating system.
Writer.
PostGreSQL.
Which open-source database management system can replace Oracle, SQL Server?
Android
Writer, Calc, and Impress
LINUX
MySQL, PostGreSQL
Which database management system can replace Oracle or SQL Server?
Android
Writer, Calc and Impress
LINUX
MySQL, postGreSQL
What does the software industry depend on?
Software creators
Technical solution providers
Software inspectors
Service providers on the Internet
What is RAM?
Hardware that processes information and stores it
Software that processes images
Memory that can be written to, used to temporarily store data while running programs, and retains data for a long time
Memory that can be written to, used to temporarily store data while running programs, but does not retain data for a long time
What is ROM?
Memory that can only be read, can be written or erased. ROM is used to store system data and boot programs.
Memory that can only be read, cannot be written or erased. ROM is used to store system data and boot programs.
Part to store information from and garbage
Part to process garbage and incomplete information
What type of logic circuit is used in the diagram below?
NOT logic circuit
XOR logic circuit
OR logic circuit
AND logic circuit
What is a 1-bit adder circuit?
A circuit with two inputs (x, t) and two outputs (z, y-1)
A circuit with two inputs (x, y) and two outputs (z, t)
A circuit with two inputs (1, y) and two outputs (1, t)
A circuit with two inputs (0, y) and two outputs (z, 0)
What logic gates can be combined to form any logic gate?
AND, OR, and NOT
VGA
HDMI
Gate F
What is the method of data processing of the CPU based on?
Logic circuits
Data in external memory
Data in internal memory
Hard disk
What is the most important device inside the computer case?
CPU
External memory
Internal memory
Cache memory
What is a buffer?
A special memory area used to temporarily store commands and data being processed.
Memory area
What is the most important device inside the computer case?
CPU
External memory
Internal memory
Cache memory
What is a register?
A special memory area used to temporarily store commands and data being processed.
A special memory area used to store commands and data being processed.
Data processing area.
Intermediate memory area.
What is the clock frequency used for?
To generate electrical pulses.
To evaluate the CPU's speed.
To coordinate the operation of all computer devices, ensuring the computer executes the correct program.
To execute all arithmetic and logic operations in the computer.
Which component coordinates the operation of all computer devices, ensuring the computer executes the correct program?
Cache memory
Arithmetic and logic unit
Control unit
ROM memory
Which type of monitor uses LED technology?
LCD
LED
CRT
Plasma
How is the speed of a mouse represented?
The ratio of the distance the cursor moves on the screen to the distance the mouse moves on the table.
The distance the mouse moves on the screen.
The speed of the mouse movement on the table.
Connection method.
What is the most important parameter of a mouse?
Connection method and resolution.
Mouse speed.
Mouse shape.
Whether it is left-handed or right-handed.
What is a mouse?
The most common device for data input.
A popular output device.
A device that indicates the object to be worked on the screen.
A device that connects to the monitor.
What is a keyboard?
A popular output device.
The most common device for data input.
A device that indicates the object to be worked on the screen.
A device that connects to the monitor.
What is the input device and what is the output device?
Computer
Scanner
USB
Projector
What is an output device?
Solid-state drive (SSD)
Keyboard
Projector
Mouse
What is the input device and what is the output device?
Computer
Scanner
USB
Projector
What is the output device?
Solid State Drive (SSD)
Keyboard
Projector
Mouse
Which of the following is an input device?
Keyboard and barcode reader
Thermal printer
USB
Optical disc
What are input and output devices?
Temporary data storage devices
Long-term data storage devices
The most diverse external devices for computers
Devices that control computers according to programs
What is the most popular output device?
Printer
Speaker
Monitor
Projector
When can a person use a direct online disk?
Install a new operating system
Buy open-source software
Use online storage services for files and folders
Install paid software
What can users view, comment on, and perform actions with files and folders?
View only
Edit
Comment
Transfer files and folders
What can users view and comment on?
View only
Edit
Comment
Create new and rename
What is the advantage of online information storage?
Allows sharing folders and files with other users
Does not allow sharing folders and files with other users
Can sell information to earn money
Anyone can like and access folders
What is a user who registers to use the online storage service called?
Connection requirement
Storage house
Online disk
Service provider
How does the Internet help overcome storage limitations?
Online file sharing services
Retail memory distribution
Users renting memory
Forcing users to buy third-party software
When registering to use online information storage, what will users receive?
Providing data processing services
Providing
When registering to use online storage services, what will the user receive?
Provides data processing services
Provides online data editing software
Provides an online memory space
Provides a central memory area
What is the online storage and sharing service of Google?
OneDrive
iCloud
Dropbox
Google Drive
What is the online storage and sharing service of Microsoft?
OneDrive
iCloud
Dropbox
Google Drive
What is the online storage and sharing service of Apple?
OneDrive
iCloud
Dropbox
Google Drive
To find all emails marked important in Gmail, which keyword should be used?
is:unread/read/chat
is:starred
is:muted
is:important
What is the condition to create a Fanpage on Facebook?
No conditions required.
Must have a personal account or transfer from a personal account.
Need a Group on Facebook.
Must have a personal account and a Group on Facebook.
How many types of groups are there on Facebook?
Two types (public and secret groups)
One type (public group)
Two types (public and closed groups)
Two types (closed group, public group and secret group)
How many times can the name of a Fanpage be changed?
No limit.
2 times.
Depends on the Fanpage.
Cannot be changed.
Which of the following statements is incorrect?
Must log out of the email account after use.
The time to send emails is very urgent but immediate.
Must open all attachments sent to friends.
Only open attachments from trusted friends.
What does Gmail support?
Classifying important emails.
Automatically marking emails.
Automatically identifying and marking emails belonging to a category.
What does Gmail support?
Classifying important emails.
Automatically marking emails.
Automatically identifying and marking important emails.
Sorting emails logically.
How does Gmail automatically identify and mark important emails?
Marking software
Email filtering function
Important yellow label
Email classification
To know why that email is marked as important, you should go to?
Inbox, hover over the important yellow label
Sent, hover over the important yellow label
Spam, hover over the important yellow label
Gmail to display all important emails
What happens when you delete an email?
The email will be deleted from all attachments.
The email will be deleted from all attachments as well as the inbox.
The email will be deleted from the inbox.
The email will be marked as starred.
According to Google's regulations, minors who want to register for an email account must:
Not be allowed to use Gmail.
Only use accounts of relatives.
Need parental consent and supervision.
Need to provide complete family and school information.
When you have the right to change the access rights of a user to a file, what are the conditions?
When you are the owner.
When you have editing rights.
When you have viewing rights.
When you do not have access rights.
Who is the owner of the Google Drive document?
Only (1) is correct.
(1), (2), (3), (4) are all correct.
Only (1) and (2) are correct.
Only (2) is correct.
What do you need to search in Vietnamese?
Keyboard
Mouse
Microphone
Speaker
What do you need to search for information in different formats?
Use images to search
Choose the result classification type
Use videos to search
Use voice to search
When searching for admission information of a university, what format do you need?
File.pdf
Image
Article
News
When searching for images of roses, what search format should you choose?
Written article
News
Image
Audio
To search for information in pdf format, what do you need?
Enter the search keyword and add the term filetype.docx.
Enter the search keyword and add the term filetype.jpg.
Enter the search keyword and add the term filetype:pdf.
Enter the search keyword and add the term filetype.pfd.
To limit the search area, what should you do?
Set the required keyword in double quotes
Set the keyword in parentheses
Set the keyword in square brackets
Shorten the keyword
Choose the incorrect answer?
A person who does not know how to search for information will not find accurate information.
A person who knows how to search will find information very quickly and accurately.
A person who does not know how to build search keywords will search faster.
Nowadays, all information can be found on the Internet.
When searching for information about the epidemic situation, what format should you search for?
News
Image
File pdf
Document
What type of information is being searched for regarding the epidemic situation?
News
Images
PDF files
Documents
What are the advantages of commercial software?
What are the differences between mobile device operating systems and personal computer operating systems?
Add two binary numbers and convert the binary result to decimal.
Calculate the length and width of a computer screen when given the dimensions (diagonal) and aspect ratio.
How to calculate the length and width of a computer screen when knowing the dimensions of the screen (diagonal) and the ratio of length to width? (Hint: 1 inch = 2.54 cm, apply Pythagorean theorem)
How to resolve access issues when sharing a document on Google Drive?
Ensure that the document format is supported and not corrupted. If needed, try downloading and opening it with the appropriate software.
Ask the recipient to check their 'Spam' folder in their email or try resending the sharing invitation.
If the shared link is not working, ensure that you have enabled the sharing option. In the sharing window, select 'Anyone with the link' and set the necessary access permissions.
Check and adjust sharing permissions by right-clicking on the document, selecting 'Share', and adding the recipient's email address. Ensure the permission level (View, Comment, or Edit) is appropriate.
If you want to revoke someone's access, go to the sharing window and remove their email address or change their access level to 'No access'.
How to delete your activity log on Facebook?
Click on the top right corner of Facebook, then click on your name.
Click on the bottom right of your profile picture, then click on Activity Log.
Scroll down to the Logged Actions section, then click on Search.
Click on your search history.
At the top, click on Clear Searches.
How to use an online storage service like Google Drive, Dropbox, etc., to store a study material (video lectures, documents) and share that material with classmates?
How to use an online storage service like Google Drive, Dropbox, etc. to store a study material (Video lectures, documents) and share that material with classmates?
Present the steps to create folders on Google, each folder stores the documents and materials for a subject, then share those folders with your classmates in the group.
I have a beautiful landscape photo but cannot remember the exact location of that landscape. Please use the image search function on a search engine to find information about the location of this landscape.
Create a label 'English Study Group' in your Gmail inbox. This label will group emails sent from the English teacher and your friends in the study group.
