First part = x and second part = 84 – x => (x/4)/[(84-x)/5] = 1/2 ⇒ x/4 × 5/(84-x) = 1/2 ⇒ 10x = 336 - 4x ⇒ 14x = 336 ⇒ x = 24 Second part will be 84 – 24 = 60 Required percentage =(24/60) × 100 = 40%
________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: