CBSE Class 10 Employability Skills Unit 3 Information and Communication Technology (ICT) Skills MCQs with Answers (2026–27)

Correct Answer: A. Technology

Explanation: ICT stands for Information and Communication Technology. It includes the use of computers, the Internet, communication devices, and digital technologies to collect, store, process, and share information.

Why other options are incorrect:

• B. Terminology refers to technical vocabulary.
• C. Technical is an adjective, not the correct expansion.
• D. Training relates to learning and education.

Correct Answer: B. Keyboard

Explanation: Hardware refers to the physical components of a computer that can be seen and touched, such as the keyboard, monitor, mouse, CPU, and printer.

Why other options are incorrect:

• A. An Operating System is system software.
• C. A web browser is application software.
• D. Games are software applications.

Correct Answer: C. Operating System

Explanation: The Operating System (OS) manages the computer's hardware and software resources and starts automatically after the boot process.

Why other options are incorrect:

• A. Application software works only after the OS loads.
• B. BIOS performs the initial hardware check before loading the OS.
• D. Device drivers help hardware communicate with the OS.

Correct Answer: D. Android

Explanation: Android is one of the world's most widely used mobile operating systems for smartphones and tablets.

Why other options are incorrect:

• A. Ubuntu is mainly used on computers and servers.
• B. Windows is primarily a desktop operating system.
• C. macOS is designed for Apple computers.

Correct Answer: A. BIOS

Explanation: BIOS (Basic Input/Output System) performs the Power-On Self-Test (POST) to check whether hardware components are working properly before loading the Operating System.

Why other options are incorrect:

• B. CPU executes instructions but does not perform POST independently.
• C. RAM stores temporary data.
• D. Notepad is a text editor.

Correct Answer: C. Enter

Explanation: The Enter key is used to start a new line in documents and to execute commands in many applications.

Why other options are incorrect:

• A. Shift is used to type uppercase letters or special symbols.
• B. Caps Lock enables continuous uppercase typing.
• D. Tab moves the cursor to the next tab position.

Correct Answer: B. Arrow keys, Home and End keys

Explanation: Navigation keys help users move through documents and webpages quickly. These include Arrow keys, Home, End, Page Up, and Page Down.

Why other options are incorrect:

• A. These are function keys.
• C. Delete and Backspace edit text rather than navigate.
• D. Ctrl, Alt, and Shift are modifier keys.

Correct Answer: D. Hovering

Explanation: Hovering means placing the mouse pointer over an item without clicking. It often displays additional information such as file size, date, or description.

Why other options are incorrect:

• A. Selecting requires clicking.
• B. Double-clicking opens files or programs.
• C. Drag and Drop moves items from one location to another.

Correct Answer: B. The file opens.

Explanation: Double-clicking the left mouse button quickly is the standard method for opening files, folders, and applications.

Why other options are incorrect:

• A. A single click selects a file.
• C. Moving requires drag-and-drop or Cut-Paste.
• D. Double-clicking never deletes a file.

Correct Answer: B. Image File

Explanation: The .jpg (or .jpeg) extension represents image files commonly used for photographs and digital pictures.

Why other options are incorrect:

• A. Text files usually have the extension .txt.
• C. Audio files commonly use .mp3 or .wav.
• D. Spreadsheet files usually have extensions such as .xls or .xlsx.

Correct Answer: A. Folder

Explanation: A folder is used to organize and store related files in one place, making them easier to locate and manage.

Why other options are incorrect:

• B. A drive is a storage device or partition that contains folders and files.
• C. A file extension identifies the type of a file.
• D. A shortcut is a link to a file or program, not a storage location.

Correct Answer: B. Ctrl + X, then Ctrl + V

Explanation: Ctrl + X cuts (moves) the selected file, and Ctrl + V pastes it into the new location.

Why other options are incorrect:

• A. Ctrl + C copies the file instead of moving it.
• C. Ctrl + S saves a file.
• D. Ctrl + Z undoes the previous action.

Correct Answer: C. Ctrl + Z

Explanation: Ctrl + Z is the standard keyboard shortcut for undoing the most recent action in most applications.

Why other options are incorrect:

• A. Ctrl + Y usually performs Redo.
• B. Ctrl + S saves a document.
• D. Ctrl + A selects all content.

Correct Answer: B. Use a soft brush to remove dust and crumbs.

Explanation: A soft brush safely removes dust and small particles without damaging the keyboard.

Why other options are incorrect:

• A. Excess water can damage electronic components.
• C. Never spray liquids directly on electronic devices.
• D. Shaking the keyboard forcefully may damage it.

Correct Answer: C. Overheat the battery

Explanation: Keeping a battery connected to the charger for long periods after it is fully charged may generate excess heat and reduce battery life.

Why other options are incorrect:

• A. Overcharging does not increase battery life.
• B. Charging longer does not improve computer performance.
• D. Charging has no relation to deleting files.

Correct Answer: B. It can slow down the computer or even cause it to crash.

Explanation: Running many applications at once consumes RAM and processor resources, making the computer slow and sometimes unstable.

Why other options are incorrect:

• A. Running programs does not permanently fill the hard disk.
• C. Browser history is unrelated.
• D. It does not physically damage the monitor.

Correct Answer: C. A different storage device like a CD, DVD, or external hard disk

Explanation: A backup is a duplicate copy of important data stored separately so it can be restored if the original data is lost.

Why other options are incorrect:

• A. Saving in the same location does not protect against system failure.
• B. A notebook cannot store digital files.
• D. Files in the Recycle Bin may be deleted permanently.

Correct Answer: D. Backing up important data

Explanation: Creating regular backups protects valuable data from accidental deletion, hardware failure, or malware attacks.

Why other options are incorrect:

• A. Inbox cleaning is usually a daily task.
• B. Operating system updates are performed whenever updates are available.
• C. This is unrelated to computer maintenance.

Correct Answer: B. Removing unnecessary files using Disk Cleanup software

Explanation: Deleting temporary files and unnecessary data frees storage space and improves overall computer performance.

Why other options are incorrect:

• A. Installing more software usually consumes additional storage.
• C. Computers should be restarted regularly.
• D. Wallpaper has almost no effect on system performance.

Correct Answer: B. Stealing someone's personal information to pretend to be that person

Explanation: Identity theft occurs when criminals obtain another person's personal information and misuse it for fraud or other illegal activities.

Why other options are incorrect:

• A. This is physical theft, not identity theft.
• C. This refers to software piracy.
• D. Forgetting a password is unrelated to identity theft.

Correct Answer: D. Software Piracy

Explanation: Software piracy means copying, installing, sharing, or using software without obtaining a valid license from its owner.

Why other options are incorrect:

• A. Data encryption protects information by converting it into coded form.
• B. Identity theft involves stealing someone's personal information.
• C. Spamming refers to sending unwanted emails.

Correct Answer: A. Worm

Explanation: A worm is a self-replicating malware that spreads automatically across computers and networks without user intervention.

Why other options are incorrect:

• B. A Trojan Horse disguises itself as legitimate software but does not self-replicate.
• C. Spam consists of unwanted emails, not malware.
• D. An online predator is a person, not a computer virus.

Correct Answer: C. Trojan Horse

Explanation: A Trojan Horse appears to be a genuine application but performs harmful activities after being installed.

Why other options are incorrect:

• A. Worms spread automatically rather than hiding as useful software.
• B. A firewall protects the computer from unauthorized access.
• C. ✔ Correct Answer.
• D. Antivirus software detects and removes malware.

Correct Answer: B. Online Predators

Explanation: Online predators misuse social media, games, and chat platforms to manipulate or exploit vulnerable users.

Why other options are incorrect:

• A. Software pirates illegally copy software.
• C. Scammers mainly deceive people for money or personal information.
• D. Hackers attempt unauthorized access to systems but are different from online predators.

Correct Answer: D. R@hul#2026

Explanation: A strong password contains uppercase/lowercase letters, numbers, and special characters, making it difficult to guess or crack.

Why other options are incorrect:

• A. It is too simple and commonly used.
• B. "password" is one of the weakest passwords.
• C. It lacks special characters and is easier to guess.

Correct Answer: D. Address starts with https:// and displays a lock icon

Explanation: Websites using HTTPS encrypt data transmitted between the user and the website, making online transactions safer.

Why other options are incorrect:

• A. Attractive design does not indicate security.
• B. Advertisements have no relation to website security.
• C. Recommendations alone cannot guarantee security.

Correct Answer: A. SPAM

Explanation: Spam emails are unsolicited messages sent in bulk, usually for advertising or fraudulent purposes.

Why other options are incorrect:

• B. Scams are fraudulent attempts to steal money or information.
• C. Trojans are a type of malware.
• D. Piracy refers to unauthorized copying of software.

Correct Answer: B. Firewall

Explanation: A firewall filters network traffic and blocks unauthorized or potentially harmful connections.

Why other options are incorrect:

• A. A Login ID identifies a user but does not monitor network traffic.
• C. Disk Cleanup removes unnecessary files.
• D. Backup software creates copies of data.

Correct Answer: C. Encryption

Explanation: Encryption converts data into unreadable code so that only authorized users with the correct key can access it.

Why other options are incorrect:

• A. Decryption converts encrypted data back into readable form.
• B. Spamming refers to sending unwanted emails.
• D. Backup means creating duplicate copies of data.

Correct Answer: A. Both A and R are true, and R is the correct explanation of A.

Explanation: Logging out secures your account by preventing unauthorized users from accessing personal files, emails, and confidential information.

Why other options are incorrect:

• B. The reason directly explains why logging out is important.
• C. The reason is true.
• D. Both statements are correct.