Time taken by B to complete the whole work = 1.40 × 60 = 84 days Let total work = 420 units (LCM of 60 and 84) Efficiency of A = 420/60 = 7 units per day Efficiency of B = 420/84 = 5 units per day Desired time = (0.80 × 420)/12 = 28 days
Changing an existing document is called _____ the document.
It is device that optically scans images, printed text, handwriting or an object and converts it to a digital image called
Who invented email?
Offline device is:
In a database transaction, the "rollback" operation is used to:
One Terabyte (TB) of memory is equal to:
What is the primary purpose of a microphone?
When a computer is booting, BIOS is loaded to the memory by
Which memory type is non-volatile and commonly used for firmware storage?
Which one of the following is used to combine two or more cell and formatting one big cell?
