Explanation

• Maximum font size in dropdown: 72 pt
• You can manually enter a larger size, such as 1638 pt.
• The list contains font sizes in points 8, 9, 10, 11, 12, 14, 16, 18, 20, 22, 24, 26, 28, 36, 48 and 72.

Explanation

Shift + F3 → Changes text case in MS Word.

It cycles through:

• lowercase
• UPPERCASE
• Capitalize Each Word

Additional information:

MS Word — Useful Shortcuts

• Ctrl + B → Bold
• Ctrl + I → Italic
• Ctrl + U → Underline
• Ctrl + C → Copy
• Ctrl + X → Cut
• Ctrl + V → Paste
• Ctrl + Z → Undo
• Ctrl + Y → Redo
• Ctrl + S → Save
• Ctrl + P → Print
• Ctrl + A → Select All

Explanation

• Breaking or guessing a password is commonly called password cracking

Additional information:

• Hacking → Gaining unauthorized access to systems.
• Phishing → Tricking users to obtain sensitive information.
• Formatting → Preparing or erasing a storage device.

Explanation

• There are 128 characters in standard ASCII, numbered from 0 to 127.
• (Note: Extended ASCII uses 8 bits to provide 256 characters, but the original standard ASCII uses a 7-bit code). 

Additional information:

• • ASCII: American Standard Code for Information Interchange.
  • Purpose: Character encoding standard.
  • Includes letters, numbers & symbols.
  • Work began in May 1961.
  • Definitive version published in 1967.

Explanation

• Intelligent Device: Contains a microprocessor (or Sensor)
• Microprocessor: Acts as the brain of the device.
• Function: Processes data and instructions.
• Examples: Smartphone, smartwatch, calculator.

Last updated NS on 13-09-2026

Explanation

• Compiler: Translates high-level language → machine language.
• Machine Language: Binary code (0s and 1s).
• Compiler: Translates the whole program before execution.

• Interpreter: Translates code line by line at runtime.
• Modem: Modulates and demodulates signals for communication; it does not translate programming languages.

Last updated NS on 13-09-2026

Explanation

• SATA: Serial Advanced Technology Attachment
• Type: Computer hardware interface
• Used for: Connecting storage devices
• Devices: HDDs, SSDs & optical drives
• Connection: Storage device → Motherboard

Last updated NS on 13-09-2026

Explanation

• Compiler checks: syntax errors and some semantic/type errors.
• The compiler does not check whether the sentence is grammatically correct in natural English.

Last updated: 13-09-2026

Explanation

• A firewall’s main function is to prevent or block unauthorized access to a computer network.
• It acts as a security barrier between trusted and untrusted networks (like the internet).
• It filters incoming and outgoing network traffic based on security rules.
• It helps protect systems from hackers and unwanted access attempts.

Last verified on 10-06-2026

Explanation

• The dollar sign ($) is used to create an absolute cell reference in MS Excel.

Additional information:

• Absolute Reference: $D$2 (Row and column fixed)
• Relative Reference: D2 (Row and column change)
• Mixed Reference: $D2 (Column fixed)
• Mixed Reference: D$2 (Row fixed)
• Shortcut Key: F4 toggles between reference types.

Last verified on 18-07-2026