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Let the present age of Rajesh = 'y' years Then, present age of Ramesh = (77 - y) years According to the question, (y - 1):(77 - y - 1) = 7:8 Or, 8y - 8 = 532 - 7y Or, 15y = 540 So, y = 540 ÷ 15 = 36 So, present age of Ramesh = 77 - 36 = 41 years
A device is used to read information encoded into a small plastic cards.
Which of the following statements is True ?
I. A joy stick is an input device
II. A plotter is an output device
Computer programs are also known as
_________ is billionth of a second.
An assembler is a
The other name of knowledge based system is
CDs is which type of device?
Apple and Microsoft licensed graphical user interface technology from which company?
Mainframe computer is
__________ is a search tool which works by using the results of several other search engines.