Explanation

• A strong password should contain a combination of letters, numbers and special characters.
• Alphabetic characters: A–Z, a–z
• Numeric characters: 0–9
• Special characters: @, #, $, %, !
• Strong password: Long, unique, and difficult to guess.

Last verified on 05-10-2026

Explanation

• CC stands for Carbon Copy.
• It is used to send a copy of an email to additional recipients.
• All recipients can see the email addresses listed in the To and Cc fields.

Additional information:

• Bcc (Blind Carbon Copy) → Sends a hidden copy; other recipients cannot see these addresses.

Last verified on 11-07-2026

Explanation

• Flash memory is a type of EEPROM that can be electrically erased and reprogrammed in blocks.
• It is non-volatile memory, meaning it retains data even when power is turned off.
• It is widely used in USB drives, SSDs, and memory cards.

Last verified on 05-10-2026

Explanation

• Bill Gates is the co-founder of Microsoft, along with Paul Allen in 1975.
• He is an American businessman, software developer, and philanthropist.
• He belongs to the United States of America (USA).
• He was conferred the Hilal-e-Pakistan on February 17, 2022, for his services in public health and philanthropy.

Last verified on 05-10-2026

Explanation

• An Operating System (OS) is system software.
• It manages computer hardware and provides a platform for running application software.
• It acts as an interface between the user and computer hardware.

Functions of an Operating System:

• Allocates resources
• Monitors activities
• Manages disks and files

Last verified on 02-07-2026