Question
20 men can finish a work in 220 days, but at the end of
90 days, 20 additional men are employed. In how many more days will the work be completed?Solution
 (20 × 90) + (40 × x) = 220 × 20 40x = 4400 – 1800 40x = 2600  x = 65days
Which of the following is an input device?
In an operating system, which mode allows unrestricted access to hardware resources and is used by the kernel?
What is the smallest and largest font size available in Font Size tool on formatting toolbar?Â
Internet banking is an example of
 Which of the following extension is not audio extension ?
OCR stands for:
A byte consists of
What will happen when you place the cursor in the last cell of a table in MS-Word documentand press TAB key ?
What does 'ctrl +esc' do?
What is the main component responsible for managing memory and allocating resources to different processes in an operating system?