Question
What is the primary source of silicon in soil minerals?
Solution
Quartz (SiO ₂ ) is a primary mineral and major source of silicon. Feldspar and mica also contain silicon but in compounds.
Which are the input devices that enable direct data entry into a computer system from source documents?
________Function key refreshes the current window.
Which type of printer uses heat to transfer ink onto paper?
Which of the following is not an input device ?
In a computer system, _________ is a group of servers and other resources that act like a single system and enable high availability
The portion of the operating system that resides in memory is known as:
Which of the following storage media provides sequential access only ?
A key-board has at least:
The bubbles in a bubble memory pack are created with the help of
The key F12 opens a ___________________
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