Which one of the following is not an iron ore?
The most widely distributed iron-bearing minerals are oxides, and iron ores consist mainly of hematite (Fe2O3), which is red; magnetite (Fe3O4), which is black; limonite or bog-iron ore (2Fe2O3·3H2O), which is brown; and siderite (FeCO3), which is pale brown. Anthracite is a type of coal .
The blinking symbol on the computer screen is called
What is the purpose of encryption in computer security?
The key utilized to activate the execution of a selected command is:
Which input device is commonly used to control the movement of a cursor on a computer screen?
____________ cells involve creating a single cell by combining two or more selected cells.
Which of the following connections makes use of phone lines, which carry digital signals instead of analog signals?
Which of the following extension file is not send by an E-mail?
What is the full form of GPU?
An Email address typically consists of a user id followed by the sign ______?
Rotational delay time is also known as