Explanation

• PDA: Personal Digital Assistant
• Type: Handheld computer
• Uses: Contacts, calendar, notes
• Input: Touchscreen and stylus
• Purpose: Managing personal information

Explanation

• COMPUTER stands for Commonly Operated Machine Particularly Used for Technical Education and Research
• First electronic general-purpose computer: ENIAC
• Developed: 1945–1946
• Output devices: Monitor, Printer, Speaker, Projector
• Input devices: Keyboard, Mouse, Scanner, Microphone
• Father of the computer: Charles Babbage

Explanation

• CPU stands for Central Processing Unit.
• It is the main part of a computer that processes all instructions.
• It is considered the brain of the computer system.
• It performs all calculations and decision-making tasks.
• It controls the operations of all hardware and software.
• It is located on the motherboard.

Last verified on 10-06-2026

Explanation

• BCC stands for: Blind Carbon Copy
• Used in: Email communication
• Purpose: Hides recipient email addresses from other recipients

Additional information:

• CC (Carbon Copy): Recipients are visible to all
• BCC: Recipients are hidden from everyone except the sender

Last verified on 16-01-2026

Explanation

• IP stands for Internet Protocol.
• It is a set of rules used to address and route data between devices on a network.
• Every device on an IP network can be identified using an IP address.

Additional information:

• IPv4: Uses 32-bit addresses.
• IPv6: Uses 128-bit addresses.
• Example of IPv4: 192.168.1.1

Last verified on 27-09-2026