The biogas so obtained is a mixture of methane (CH4): 55-65% and Carbon dioxide (CO2): 30-40%. The biogas contains traces of H2, H2S and N2. The calorific value of biogas ranges from 5000 to 5500 Kcal/Kg (18.8 to 26.4 MJ /m3).
________Function key refreshes the current window.
The key F12 opens a ___________________
A high speed memory device used in CPU for temporary storage during processing is called
The bubbles in a bubble memory pack are created with the help of
Which are the input devices that enable direct data entry into a computer system from source documents?
The portion of the operating system that resides in memory is known as:
A Personal Computer uses a number of chips mounted on a circuit board called
Which of the Following is not a non-impact printer?
From the set of candidate keys after selecting one of the keys as primary key, all other remaining keys are known as.
A key-board has at least:
