Explanation

• Full Name: Vinton Gray Cerf
• Known as: Father of Internet
• Born: 23 June 1943
• Major Contribution: TCP/IP protocol development
• Award: National Medal of Technology (1997)

Last verified on 20-06-2026

Explanation

• Shift + F10 displays the Shortcut (Context) Menu, just like a right-click with the mouse.

Additional information:

• Alt + Space → Display the Control Menu
• Alt + F4 → Close the Active Window
• Ctrl + C → Copy
• Ctrl + V → Paste

Last verified on 19-07-2026

Explanation

• Ctrl + Shift + F6 switches to the previous open document window in MS Word.

Additional information:

• Ctrl + F6 → Next open document window
• Ctrl + Tab → Next document/tab (in some Office applications)
• Ctrl + S → Save document
• Ctrl + P → Print document

Last verified on 19-07-2026

Explanation

• Cybercrime is any criminal activity that uses a computer, network, or networked device.

Additional information:

• Fraud: Cybercriminals can use computers to commit fraud, such as credit card fraud
• Identity theft: Cybercriminals can steal identities
• Child pornography: Cybercriminals can traffic in child pornography
• Intellectual property theft: Cybercriminals can steal intellectual property
• Phishing: Cybercriminals can send fraudulent emails to collect sensitive information
• Denial of service attacks: Cybercriminals can launch denial of service attacks (DDOS)
• Cyberterrorism: Cybercriminals can commit cyberterrorism

Last verified on 19-07-2026

Explanation

• The main purpose of DNS (Domain Name System) is to translate domain names into IP addresses.
• It works like an internet phonebook.
• It helps users access websites using easy names instead of numeric IPs.
• Example: google.com → 142.250.190.14

Last verified on 09-06-2026

Explanation

• The MAX function returns the largest value in a set of numbers in Excel.
• It compares all selected values and displays the highest one.
• It is commonly used for finding the maximum score, salary, or price.

Additional information:

• MIN() → Returns the smallest value
• AVERAGE() → Returns the average value
• COUNT() → Counts cells containing numbers
• SUM() → Adds all numbers

Last verified on 18-07-2026

Explanation

• A Stack follows the LIFO (Last In, First Out) principle.
• The last element added to the stack is the first one to be removed.
• Elements are inserted using Push and removed using Pop operations.
• Stacks are commonly used in function calls and expression evaluation.
• It is a linear data structure.

Last verified on 10-06-2026

Explanation

• MS Access is a database designing and management software.
• It is used to create, store, organize, and manage databases.
• MS Access is part of the Microsoft Office (Microsoft 365) suite.
• It allows users to create tables, queries, forms, and reports.
• First Released: 13 November 1992

Last verified on 18-07-2026

Explanation

Explanation

• 101.10111 is not binary number.
• Because it is a decimal number in scientific notation.
• In binary, the only digits used are 0 and 1.

Last verified on 18-07-2026