Question
The speed of a boat in still water is 6 km/hr and speed
of current is 3 km/hr. If time taken to cover a certain distance upstream is 21 hours, then how long will the boat take to cover the same distance downstream?Solution
Total distance = 21 × (6 – 3) = 63 km Required time = 63/(6 + 3) = 7 hrs
In the field of computer/IT in open system interconnection on models, there are ____ layers.
Which out of the following is not an example of Operating System ?
___________ appropriately relates with starting up an operating system.
Which of the following best defines the function of an ALU in a computer system?
At which of the following institutions ERNET is used to connect computers?
What does the abbreviation 'PDF' stand for?
_________ computers exhibits the features of both analog and digital computers.
What is commonly used for displaying information at public places?
What is the example of freeware?
__________ is copying a process from memory to disk to allow space for other processes.
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