Explanation Optical fiber uses the optical principle of "total internal reflection" to capture the light transmitted in an optical fiber and confine the light to the core of the fiber. ****** RY 15-01-2023 Explanation A motherboard is the main printed circuit board (PCB) in a computer. The motherboard is a computer's central communications backbone connectivity point, Motherboards can be found in virtually all computers, especially desktop and laptop PCs ** ND16-1-2023 Explanation Standard Shortcuts Command Shortcut Redo Ctrl Y Cut Ctrl X Copy Ctrl C Paste Ctrl V ** ND16-1-2023 Explanation In computer science , a data buffer (or just buffer) is a region of physical memory storage used to temporarily store data while it is being moved from one place to another. ** ND16-1-2023 Explanation The largest and smallest font size available in the font size tool in MS Word 2007 is 72 and 8 respectively.   The list contains font sizes in points 8( smallest ), 9, 10, 11, 12, 14, 16, 18, 20, 22, 24, 26, 28, 36, 48, and 72( largest ) ** ND16-1-2023c Explanation A system unit is the part of a computer It includes the motherboard, CPU, RAM and other components,  **** ND10-1-2023 Explanation S.No. Unit & Description 1 Kilobyte (KB) 1 KB = 1024 Bytes 2 Megabyte (MB) 1 MB = 1024 KB 3 GigaByte (GB) 1 GB = 1024 MB 4 TeraByte (TB) 1 TB = 1024 GB ** ND10-1-2023 Explanation Joysticks are often used to: control video games, and usually have one or more push buttons whose state can also be read by the computer **** ND8-1-2023 Explanation One of the first calculating devices made by man is called an abacus the abacus was first used by the Babylonians as early as 2,400 B.C The abacus was in use in Europe, China, and Russia **** ND8-1-2023 Explanation Netscape Navigator was the first commercially successful Web browser The initial release of  Netscape Navigator   on   15 December 1994; 28 years ago The final release of  Netscape Navigator was on   (February 20, 2008; 14 years ago) **** ND8-1-2023

Explanation Optical fiber uses the optical principle of "total internal reflection" to capture the light transmitted in an optical fiber and confine the light to the core of the fiber. ****** RY 15-01-2023

Explanation A motherboard is the main printed circuit board (PCB) in a computer. The motherboard is a computer's central communications backbone connectivity point, Motherboards can be found in virtually all computers, especially desktop and laptop PCs ** ND16-1-2023

Explanation Standard Shortcuts Command Shortcut Redo Ctrl Y Cut Ctrl X Copy Ctrl C Paste Ctrl V ** ND16-1-2023

Explanation In computer science , a data buffer (or just buffer) is a region of physical memory storage used to temporarily store data while it is being moved from one place to another. ** ND16-1-2023

Explanation In American history, President Richard Nixon gave his resignation on August 8, 1974 . This resignation came amidst the Watergate scandal , a political scandal involving the illegal activities of the Nixon administration.

Explanation To find the answer, we need to calculate the percentage step by step: 20% of 30% = (20/100) × (30/100) = 6/100 = 6% 10% of 6% = (10/100) × (6/100) = 0.6/100 = 0.6% So, the correct answer is: 0.6%

Explanation In a computer system , directories (also known as folders) work in a similar fashion as files in physical offices. Just as files are stored in folders or cabinets in an office, directories in a computer system store and organize files and subdirectories.

Explanation Algae , especially phytoplankton in oceans , are responsible for producing the largest amount of oxygen on Earth. It contributing to over 50% of the planet's oxygen supply.

Explanation Muhammad bin Qasim was died in 715 AD during the reign of Caliph Sulaiman bin Abdul Malik after being recalled and imprisoned. Muhammad bin Qasim  belonged to the  Banu Thaqif . Muhammad Bin Qasiim was a  close  relative of Hajjaj bin Yousuf, He was the  son-in-law  of  Hajjaj bin Yousuf Because of him, he was  appointed  the  governor of Persia  Hajjaj ibn Yusuf was the  governor  of the Umayyad Caliphate  from 692–694 Additional information  Muhammad ibn Qasim   led  the Muslim  conquest of Sindh From Raja  Dahir  in the battle of  Aror . He was the first Muslim to have  successfully  captured  Hindu territories And  initiated  the early Islamic India in   712 AD.