Explanation

• Full form: Hyper Text Transfer Protocol Secure
• Security layer: SSL/TLS encryption
• Purpose: Secure data transfer on the internet
• Default port: 443
• Used in: Banking, e-commerce, login systems

Last verified on 23-06-2026

Explanation

• CAPTCHA stands for Completely Automated Public Turing test to tell Computers and Humans Apart.
• Its main purpose is to distinguish human users from automated bots.
• It helps protect websites against spam, fake registrations, and automated attacks.
• Common CAPTCHA tests include selecting images, identifying distorted text, and completing simple verification tasks.

Last verified on 09-10-2026

Explanation

• Pixel printer is not a standard type of printer.

Additional information:

• Laser printer uses laser technology and toner to print documents.
• Dot matrix printer prints by striking pins against an ink ribbon.
• Inkjet printer sprays tiny droplets of ink onto paper.

Last verified on 09-10-2026

Explanation

• DBMS: Database Management System
• Used to create, store, organize, and manage data.
• Examples: MySQL, Oracle, Microsoft Access.

Explanation

• 1024 Kilobytes (KB)
• 1024 x 1024 Bytes (since 1 KB = 1024 Bytes)
• 1,048,576 Bytes (calculating 1024 x 1024)

Explanation

• Function: COUNT
• Purpose: Counts cells containing numbers only
• Syntax: =COUNT(range)
• Example: =COUNT(A1:A10)
• Ignores: Text, blank cells, and logical values (TRUE/FALSE)

Additional information:

• COUNTA → Counts all non-empty cells.
• COUNTIF → Counts cells that meet a specific condition.
• COUNTIFS → Counts cells meeting multiple conditions.
• COUNTBLANK → Counts blank cells.

Last verified on 18-07-2026

Explanation

• Shortcut Key: Ctrl + Enter
• Ribbon Path: Layout → Breaks → Page
• Purpose: Start a new page
• Works In: Microsoft Word
• Type: Manual Page Break

Last verified on 03-04-2026

Explanation

• CTRL + H is the shortcut key used in most software (like MS Word, Excel) to open the Find and Replace dialog box.
• It allows users to search for a word or phrase and replace it with another.

Additional information:

• CTRL + F: Only opens the Find dialog
• CTRL + G: Opens the Go To dialog
• CTRL + R: Aligns text to the right in word processors

Last verified on 10-06-2026

Explanation

• Hybrid computer processes both analog and digital signals.
• It combines the features of analog and digital computers.
• Used in medical equipment, scientific research, and industrial systems.

Explanation

• Ctrl + D → Opens Font Dialog Box. 
• Ctrl + F12 → Opens the Open Document dialog box. 
• Ctrl + H → Opens the Replace dialog box.