Question
A boat can cover 140 km in downstream in 7 hours and 130
km in upstream in 13 hours. Find the speed of boat in still water.Solution
Downstream speed of the boat = 140/7 = 20 km/hr Upstream speed of the boat = 130/13 = 10 km/hr Speed of boat in still water = (20 + 10)/2 = 15 km/hr
A MODEM is required for accessing internet through cable. What does the term MODEM mean?
The programs which are as permanent as hardware and stored in ROM is known as
Network access or interface layer in TCP/IP Protocol Architecture Model combines ...................... of the OSI reference model.
Which among the following device is used to display visual output to the user?
 Which of the following extension is not audio extension ?
Word processing, spreadsheet, and photo-editing are examples of
What is the function of the 'ALU' in a computer's CPU?
Which of the following technologies were used by third-generation computers?Â
Movement of an icon on your desktop is called
Press………to move the insertion point to the Address box, or to highlight the URL in the Address box.Â