Question
Red light is used for signals because it has
–Solution
Red is the international colour of stop signs and stop lights on highways and intersections because it is scattered the least by air molecules. The effect of scattering is inversely related to the fourth power of the wavelength of a colour. Red has the highest wavelengthofallthecoloursandisabletotravel the longest distance through fog, rain, and the alike.
Which one of the following commands is used to display both query and output?
The transformation of raw data into meaningful information in a computer is termed as-
Menus are the part of
Where is a document stored temporarily while being edited?
Which type of network topology allows all nodes’ connection to a single hub through a cable?
In associative mapping, in a 16 bit system the tag field has ______ bits.
What is the primary purpose of virtual memory?
Which of the following is a characteristic of third-generation computers?
What is the shortcut to justify a paragraph in word processing?
The cardinality property of a relation, refers to the
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