Explanation

CAD, or CADD, is short for computer-aided design or computer-aided design and drafting.

CAD is a software used in the computer systems by: 

• Engineers
• Architects
• Drafters
• Artists

Last updated by NA on 04-11-2026

Explanation

• Operating System: The main software that manages hardware and runs applications.
• It loads during the boot process.
• Without an OS, a computer cannot provide a usable working environment.

Last updated by NA on 04-11-2026

Explanation

• Type: Impact Printer
• Printing Method: Pins strike an ink ribbon
• Common Pin Configurations: 9-pin, 24-pin
• Output: Text and graphics
• Main Advantage: Can print multi-part forms

Last updated by NA on 04-11-2026

Explanation

• RAM is categorized as volatile and temporary (or primary / main) memory
• It means its data is lost when power is turned off.
• Volatile memory requires continuous power to retain data.

Additional information:

• ROM is non-volatile and retains data without power.

Last verified on 16-02-2026

Explanation

• Alt + Shift + F1 / Shift + F11 → Insert a new worksheet

Additional information:

• Shift + F10 → Open shortcut/context menu
• Ctrl + Page Up → Previous worksheet
• Ctrl + Page Down → Next worksheet

Last verified on 15-07-2026

Explanation

• Access Toolbar: Quick access to frequently used commands.
• Usually contains Save, Undo, and Redo.

Additional information:

• Standard Toolbar: Contains common commands such as New, Open, Save, and Print.
• Formatting Toolbar: Contains text formatting options such as font, size, bold, and alignment.

Last updated: 27 OCT 2026 

Explanation

• CC stands for Carbon Copy.
• It is used to send a copy of an email to additional recipients.
• All recipients can see the email addresses listed in the To and Cc fields.

Additional information:

• Bcc (Blind Carbon Copy) → Sends a hidden copy; other recipients cannot see these addresses.

Last verified on 11-07-2026

Explanation

• Scanner: Converts physical images/text into digital form.
• Uses light: Detects and captures the image.
• Output: Digital image or document.

Last updated by NA ON 16-09-2026

Explanation

• Writing: Storing or saving data in a memory location.
• Reading: Retrieving data from a memory location.
• Processing: Performing operations on data.
• Retrieving: Accessing stored data.

Explanation

• FTP stands for File Transfer Protocol.
• FTP is a communications protocol used to send files from computer to computer
• FTP does not use encryption.
• FTP is built on a client-server model 
• FTP first Introduction: April 16, 1971

Last verified on 12-10-2026