ICT Skills Class 10 Important Questions with Answers | CBSE Exam Revision

⭐ Take your board exam preparation to the next level with important, exam-focused, syllabus-aligned CBSE ICT Skills Class 10 Important Questions with Answers. 🚀

🟩 Short Answer Questions (1–2 Marks)

Q1. What does ICT stand for and what does it refer to?

ICT stands for Information and Communication Technology. It refers to all the methods, tools and concepts related to storing, recording and sending digital information.

Q2. What is an Operating System? Name two operating systems used in laptops and desktops.

The Operating System (OS) is the most important software in a computer. It starts working as soon as we switch on the computer and displays the desktop on the monitor. Examples: Ubuntu, Microsoft Windows, Mac OS.

Q3. What is BIOS? What does it do when a computer starts?

BIOS stands for Basic Input/Output System. When the computer is switched on, BIOS automatically performs a self-test and, if the system is fine, loads the Operating System.

Q4. What are navigation keys? Give two examples.

Navigation keys are used to move around in a document. Examples include arrow keys, HOME, END, PAGE UP and PAGE DOWN.

Q5. What is a file extension? Give two examples.

A file extension identifies the type of a file and is separated from the file name by a dot. Examples are .txt for text files and .jpg for image files.

Q6. What is a folder?

A folder is a location where a group of files can be stored.

Q7. Write the shortcut keys for copy, paste, undo and save.

• Copy: CTRL+C.
• Paste: CTRL+V.
• Undo: CTRL+Z.
• Save: CTRL+S.

Q8. Why should we avoid eating or keeping drinks near a computer?

Crumbs can damage the internal parts of a keyboard, and any liquid spilt over an electronic device can spoil it beyond repair.

Q9. Explain what is meant by ‘Backup Data’.

Backing up data means saving the information present on a computer on another device, such as a CD/DVD drive or hard disk. Data can be recovered from the backup if the computer stops working completely.

Q10. What do you mean by ‘Encrypt Data’?

Encrypting data is a method of protecting important information from unauthorised access. The chapter explains that banks and companies can encrypt their entire hard disk. This requires a decryption password or key before the computer can be accessed.

Q11. What is Firewall?

A Firewall is a security measure that monitors the data coming into and going out of a computer and helps prevent viruses from entering the computer.

Q12. What is SPAM?

SPAM refers to unwanted emails from companies that advertise products or try to attract users to their websites.

Q13. What is identity theft?

Identity theft occurs when a hacker steals a person’s personal information and assumes their identity to access account information or perform illegal activities.

Q14. What is a Trojan Horse?

A Trojan Horse disguises itself as a useful software program. Once it reaches a computer, it behaves like a virus and can destroy data.

🟦 Long Answer Questions (3–5 Marks)

Q1. Write the difference between hardware and software with examples.

Q2. Write basic functions performed when a computer starts.

When the power button is pressed to switch on computer:

1. BIOS automatically starts.
2. BIOS performs a self-test.
3. If the system is functioning properly, BIOS loads the Operating System.
4. The Operating System becomes ready to accept user inputs.

Q3. Explain any four types of keys on a keyboard.

1. Function keys: F1 to F12
2. Control keys: CTRL, SHIFT, ALT, CAPS LOCK and TAB
3. Punctuation keys: Used to enter punctuation marks.
4. Navigation keys: Arrow keys, HOME, END, PAGE UP and PAGE DOWN
5. Command keys: INSERT, DELETE and BACKSPACE

Q4. Explain any four functions that can be performed using a mouse.

1. Hover: Move the pointer over an item to display its details.
2. Point and click: Select an item on the screen.
3. Drag and drop: Move an item from one location to another.
4. Double-click: Quickly click the left mouse button twice to open a file.

Q5. Differentiate between files and folders.

Q6. Explain the steps for saving a text file in Ubuntu.

1. Open the Text Editor and Type the required information.
2. Click Save.
3. In the Save As dialog box, select the required location such as Desktop.
4. Type the file name and click Save.

Q7. Explain any five ways of taking care of a computer or mobile device.

1. Keep the keyboard, screen and mouse clean.
2. Keep food and drinks away from the device.
3. Handle laptops and other devices carefully.
4. Keep the device cool and avoid overheating.
5. Do not leave the device plugged in after it is fully charged.

Q8. How can computer performance be increased?

Computer performance can be improved by:

• Removing unnecessary files and data.
• Cleaning temporary files and unwanted images.
• Freeing hard-disk space.
• Closing programs that are not being used.

Q9. Explain the three types of theft.
The three types of thefts are:

1. Physical theft: Stealing a desktop computer or laptop.
2. Identity theft: Stealing personal information and using the person’s identity to access accounts or perform illegal activities.
3. Software piracy: Using or distributing unlicensed and unauthorised copies of computer programs or software.

Q10. Differentiate between Worm and Trojan Horse viruses.

Worms: These viruses replicate themselves and spread to all files once they attack a computer. This makes them difficult to remove.

Trojan Horse: It disguises itself as useful software. Once it reaches a computer, it behaves like a virus and can destroy data.

Q11. Explain any three ways to protect your data.

Data can be protected by:

1. Using complex passwords.
2. Installing anti-virus and firewall software.
3. Encrypting important data.

Q12. What precautions should be taken while making online transactions?

The following precautions should be taken:

• Check the browser address bar.
• Look for https:// in the website address.
• Check for the lock symbol.
• Do not provide financial information on unsecured websites.

Q13. Write down the steps to create a folder in C drive with your name.

1. Open File Explorer and select C drive from left pane.
2. Right Click on blank space.
3. Select ‘New Folder’ option from shortcut menu.
4. Enter name of folder.
5. Press Enter key.

⚙️ Competency-Based Questions

Q1. Meena wants to move a file from one location to another using a mouse. Which mouse function should she use?

She should use drag and drop.

Q2. A student wants to remove the character immediately to the left of the cursor. Which key should be used?

The BACKSPACE key should be used.

Q3. A student wants to remove a character to the right of the cursor. Which key should be used?

The DELETE key should be used.

Q4. A student accidentally deletes or changes something and wants to reverse the action. Which shortcut should be used?

Ctrl + Z should be used for Undo.

Q5. A computer becomes very slow because many programs are running simultaneously. What should the user do?

The user should close programs that are not being used so that other programs can work smoothly.

Q6. A computer contains many unnecessary temporary files and its performance has decreased. What can be done?

Use disk-cleaner software to remove unnecessary files and free hard-disk space.

Q7. A student receives an email saying that he has won a huge lottery prize but must deposit money first. What type of threat is this?

It is an Internet scam.

Q8. A person receives unwanted advertising emails. What should the person do?

The person should not respond to the SPAM and should delete it regularly. Filters can also be used to prevent SPAM from entering the mailbox.

📘 Case-Based Questions (5 Marks each)

Case Study-1
Adwait switches on a computer in the school laboratory. The computer performs a self-test and then loads the Operating System. Adwait enters his login ID and password and starts working. While working, he uses the keyboard and mouse to enter information and select files. Before leaving the laboratory, he logs out.

(a) Which program performs the self-test when the computer starts?

Answer: BIOS.

(b) What is the purpose of Adwait’s login ID and password?

Answer: They allow authorised access and prevent unauthorised people from using the computer.

(c) Which mouse action can Adwait use to open a file?

Answer: Double-click.

(d) Which key can Adwait use to move the cursor to a new line?

Answer: ENTER key.

(e) Why should Adwait log out before leaving?

Answer: To prevent another person from seeing or changing his work.