Question
In which of the following products can caffeine be
found?Solution
Caffeine (C₈H₁₀N₄O₂) is a central nervous system stimulant from the methylxanthine class that enhances cognitive function, alertness, and attention. It functions by blocking adenosine receptors, which increases the release of acetylcholine, a neurotransmitter. Caffeine stimulates the central nervous system, heart, muscles, and blood pressure control centers. It is naturally present in coffee, tea, cocoa, and numerous other products including guarana and yerba mate. In total, caffeine can be found in over 60 different products consumed worldwide.
Which one of the following represent the binary equivalent of the decimal number 23 ?
Which of the following is not a/an web browser?
Which of the following is a valid file extension for Microsoft Word documents?
The difference between people with access to computers and the Internet and those without this access is known as the:
While studying about computer, we may came to know about the term QDR. Expand QDR?
To save an existing file with new name at a new location we should us _______ command.
Which is not an example for simplex?
What is a key feature of object-oriented programming?
“Dpi” stands for :
Function to find out how much money you will have in the bank in you invest over a fixed period, using a fixed rate of interest.
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