Explanation

A USB (Universal Serial Bus) device stores digital data like documents, photos, and videos.

It allows easy transfer of data between computers and other devices.

Explanation

• DVD stands for Digital Versatile Disc.
• It is a digital optical disc data storage format
• It was invented and developed in 1995 
• First released in Japan on November 1, 1996.
• Developed by: Sony; Panasonic; Philips; Toshiba

Last updated: 26 Oct 2026 

Explanation

A mouse helps users select items and point to objects on the computer screen.

It is a primary input device for graphical user interfaces.

Explanation

POP3 (Post Office Protocol 3) downloads emails to the local device and can delete them from the server.

It is used for offline email access and managing emails on a single device.

Explanation

WINDOWS.INI stores configuration and settings for Windows operating system.

It helps Windows and applications to load user preferences and system configurations.

Explanation

• E-mail stands for: Electronic Mail
• Father of E-mail: Ray Tomlinson
• First E-mail sent: 1971
• @ is used to divide an email into: two parts
• SMTP helps to send: E-mails
• SMTP stands for: Simple Mail Transfer Protocol
• Received email is saved: inbox
• Sent email is saved in: sent box
• Maximum attachment size in Yahoo Email: 25 MB
• G-mail stands: Google Mail
• Email spam also called: junk email
• To close email account click: sign out
• To create new E-mail: Sign Up
• Email hacking means: Illegal access to open email accounts of others
• Junk email is also called: Spam 
•  At sign (@): always a part of email address
• Sending an E-mail is similar to: writing a letter
• A allows us to access our e-mail from anywhere: Webmail interface 
• Bookmark:  is associated with Internet E-mail

• *********

  FIA VU CONSTABLE PAST PAPER 2021

Explanation

Hard real-time OS ensures tasks meet strict deadlines with minimal timing variation (jitter).

Soft real-time OS allows more flexibility, so jitter can be higher.

Explanation

The byte is a unit of digital information that most commonly consists of eight bits.

Unit of: digital information, data size

Unit system: unit derived from bit

*********

RY 13-12-202

Explanation

You can add a PowerPoint show to an email message as an attachment, allowing the teacher to download and open the presentation file directly, usually by using the "File > Share > Email > Send as Attachment" option in PowerPoint or by dragging and dropping the file into the email. 

Explanation

WinZip is a widely used software program for data compression.

It allowing users to compress files into smaller sizes for easier storage and transfer.

It is specialized for this task, unlike MS Office, Antivirus, or Operating Systems, which serve different purposes.