Explanation

• Developer: Hitachi Global Storage Technologies (Hitachi GST)
• Product Name: Hitachi Deskstar 7K1000
• Release Year: 2007
• Storage Capacity: 1 TB (1,000 GB)
• Form Factor: 3.5-inch hard disk drive
• Technology Used: Five 200 GB platters

Last verified on 02-07-2026

Explanation

• Ctrl + D → Open Font dialog box

Additional information:

• Ctrl + H → Open Replace dialog box
• Ctrl + F12 → Open an existing document in Microsoft Word (Open dialog box)
• F12 → Save As
• Shift + F12 → Save document

Last verified on 02-07-2026

Explanation

• Google is the largest search engine on the internet.
• It holding more than 80% of the global search market share.
• Google is a US multinational technology company that provides internet search services.
• It started as a search engine in 1997.
• It was officially founded on September 4, 1998.
• Its parent organization is Alphabet Inc.

Last verified on 02-07-2026

Explanation

• TCP/IP is the main protocol suite used for communication over the Internet.
• TCP stands for Transmission Control Protocol.
• IP stands for Internet Protocol.
• IP handles the addressing and routing of data packets.
• TCP ensures reliable delivery of data between devices.
• Other protocols like HTTP, FTP, and SMTP work on top of TCP/IP.
• TCP/IP allows different networks and devices to communicate seamlessly.

Last verified on 02-07-2026

Explanation

• Clipboard is the temporary storage area for content that is copied or cut.
• It stores text, images, files, or other data temporarily until it is pasted.
• Copy shortcut: Ctrl + C
• Cut shortcut: Ctrl + X
• Paste shortcut: Ctrl + V

Last verified on 01-07-2026

Explanation

• A permanent storage device retains data even when the computer is turned off.

• Hard disk is a common permanent storage device used to store files, programs, and the operating system.
• Examples: Hard Disk Drive (HDD), Solid State Drive (SSD), Optical Discs, USB Flash Drives, External Hard Drives

Last verified on 09-03-2026

Explanation

• Spam (also called Junk Email) is a type of electronic spam in which unsolicited messages are sent through e-mail.

Additional information:

• E-mail stands for Electronic Mail.
• It was invented by Ray Tomlinson.
• The first e-mail was sent in 1971.
• E-mail is used for sending and receiving electronic messages over the internet.

Last verified on 01-07-2026

Explanation

• Every valid email address must contain the @ (at) symbol.
• It separates the username from the domain name.
• Without @, an email address is invalid and cannot work.

Last verified on 16-02-2026

Explanation

Explanation

• In a database, columns are called Fields or Attributes.
• A field represents a single type of data in a table (like Name, Age).
• Each column stores a specific attribute of records.
• Fields define the structure of the database table.

Additional information:

• In a database, rows are called Records or Tuples.

Last verified on 24-06-2026