Explanation

The output will be 5 (2 + 3 = 5).

Explanation

• Encryption is the security technique that converts plaintext into ciphertext to protect data from unauthorized access.
• Only users with the correct decryption key can read the original data.
• Encryption helps maintain data confidentiality during storage and transmission.
• It is widely used in online banking, emails, messaging apps, and e-commerce.
• Common encryption types are symmetric and asymmetric encryption.

Last verified on 01-08-2026

Explanation

• Wide Area Network (WAN) covers a large geographic area, such as a country or multiple countries.
• WAN connects multiple LANs and MANs through public or private communication links.
• The Internet is the world's largest example of a WAN.
• WAN is commonly used by governments, businesses, banks, and multinational organizations.
• It enables long-distance communication and data sharing.

Last verified on 01-08-2026

Explanation

• Monitor and Speaker are output devices.
• Because they display visual information and produce sound instead of sending data to the computer

• Input devices are used to enter data and instructions into a computer.
• Output devices present the processed information to the user.
• Common input devices: Keyboard, Mouse, Scanner, Microphone, Joystick
• Common output devices: Monitor, Speaker, Printer, Projector, Plotter

Last verified on 01-08-2026

Explanation

• The primary function of an Operating System kernel is to manage hardware and system resources.
• It acts as a bridge between hardware and software applications.
• Kernel controls CPU, memory, and input/output devices.
• It ensures smooth execution of all programs.
• It is the core part of the operating system.

Last verified on 09-06-2026

Explanation

• IMAP (Internet Message Access Protocol)
• Used to access and manage emails stored on a mail server
• SMTP: Sends emails.
• FTP: Transfers files.
• HTTP: Loads web pages

Explanation

• Hidden files and folders can be displayed from the View menu by selecting Show and enabling Hidden items.
• This option is available in File Explorer.

Additional information:

• Windows 11: View → Show → Hidden items
• Windows 10: View → Hidden items
• Windows 8/8.1: View → Hidden items
• Windows 7: Organize → Folder and Search Options → View → Show hidden files, folders, and drives
• File Explorer shortcut: Windows + E

Last verified on 28-07-2026

Explanation

• Slide Sorter View is used to sort, rearrange, copy, and delete slides in Microsoft PowerPoint.
• It displays all slides as thumbnails on one screen.
• You can easily drag and drop slides to change their order.
• It is useful for organizing large presentations.

Last verified on 28-07-2026

Explanation

• Drag and drop the slides into your preferred order — You can reorder slides by dragging them to the desired position.
• This can be done in the Slides pane or Slide Sorter view.

Additional information:

• Shortcut for printing: Ctrl + P
• Shortcut for new slide: Ctrl + M
• Start Slide Show (from beginning): F5
• Start Slide Show (current slide): Shift + F5
• Slide Sorter: View used to rearrange multiple slides easily.

Last verified on 28-07-2026

Explanation

• Metadata is information that describes or provides details about data.
• It helps users understand, organize, search, and manage data.
• Examples include a file's name, size, author, creation date, and format.
• Metadata improves data retrieval and management.
• It is widely used in databases, websites, and digital files.

Last verified on 28-07-2026