The operating system manages all the CPU, disc drives, establish a user interface, execute and provide services for applications software, printers, etc...
In the following question, the sentence given with blank to be filled with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.
There are five known states of matter: solids, liquids, gases, plasma and Bose-Einstein condensates. The main difference in the structures of each state is in the densities of the particles.
A sentence has been given in Direct/Indirect Speech. Out of the four given alternatives, select the one which best expresses the same sentencein Indirect/Direct Speech.