Explanation

• Access time is the time required by a computer to locate and access data.
• It is an important measure of the speed of memory or storage devices.
• Lower access time generally means faster data retrieval.

Last verified on 08-09-2026

Explanation

• ORACLE is a Database Management System (DBMS) used for storing, retrieving, and managing data in databases.
• ORACLE is specifically designed to handle database operations.

Last verified on 08-09-2026

Explanation

• Cache Memory — the buffer between CPU and RAM.

  • Stores frequently used data for quick CPU access
  • Faster but smaller than RAM
  • Falls between the CPU and main memory
  • Has levels (L1, L2, L3) — L1 is fastest/closest to CPU
  • Reduces memory access time, boosting performance

Additional information:

• RAM = the main memory itself
• ROM = read-only, holds firmware (BIOS)
• SRAM = a type used to build cache, not the buffer itself

Last updated 07-09-2026 by NA

Explanation

• Center the text. Ctrl+E
  
• Align the text to the left. Ctrl+L
• Align the text to the right. Ctrl+R
• Cancel a command. Esc

Last updated 07-09-2026 by NA

Explanation

• Ottawa is the capital city of Canada.
• Chosen as the capital in 1857 by Queen Victoria.

Additional information:

The Currency of Canada is the Canadian Dollar.

Official languages: English and French.

Located in the continent of North America.

Primary Religion is Christianity (but a secular country).

Parliament of Canada is called Parliament.

Tricks for Remember

DOLLAR

 Li-Ne-US-Ca-Fi-T-E-A

Mind trick: Li ne(a name) who lives in US likes Coffee(Ca- Fi) and Tea(T-E-A)

**Li-Ne**

Li-Liberia

Ne-New Zealand

**US**

United States

**Ca-Fi**

Ca-Canadian

Fi- Fizzi

**T-E-A**

T-Taiwan

E-Ethiopia

A-Australia

 Last verified on 10-06-2026

Explanation

• Largest inland water body: Caspian Sea
• Bordering countries: 5 (Russia, Iran, Azerbaijan, Kazakhstan, and Turkmenistan)
• Surface area: ~371,000 km²
• Volume: ~78,200 km³
• Largest river flowing into it: Volga River

Last verified on 07-09-2026

Explanation

• F11 creates a chart from the selected data and places it on a new chart sheet.
• Alt + F1 creates a chart directly on the current worksheet.

Last verified on 07-09-2026

Explanation

MAN (Metropolitan Area Network): City or district coverage

• LAN (Local Area Network): Small area, e.g., home, office
• WAN (Wide Area Network): Covers countries or continents, e.g., Internet
• PAN (Personal Area Network): Very small area, e.g., devices connected via Bluetooth

Explanation

Hazrat Bilal called the first Azan of  Fajar prayer

First Azan was called out in 1 A.H

The Title of Bilal ibn Rabah: Sayyid al-Muʾaḏḏin

Born: 580 AD, Mecca, Saudi Arabia

Died: on March 2, 640 AD, in Damascus, Syria

Place of burial: Bab el Saghir Cemetery, Damascus, Syria

Hazrat 'Umar was the first person to suggest the calling of the Azan.

Explanation

• Hazrat Usman ibn Affan was titled Zun-Noorain (Having Two Lights).

He married two daughters of Prophet Muhammad (PBUH):

• Hazrat Ruqaiyya
• Hazrat Umm-e-Kulsoom

The title signifies honor of having two lights from Prophet’s family.

Last verified on 30-03-2026