Questions

Logical address space is generated from CPU; it bound to a separate physical address space is central to proper memory management. Physical address space is seen by the memory unit. Logical address space is virtual address space. Both these address space will be same at compile time but differ at execution time.

The Egyptian scripts is known as Hieroglyphic which means 'sacred writing' . It consisted of 24 signs, each of which stood for a single consonant. Vowels were not written. Later the Egyptian started using symbols for ideas and the total number of signs rose to about 500. The writers, who constituted an important section of society , wrote with reed pens on the leaves of a plant called 'Papyrus' from which we get the word 'paper'.

Isotopes are atoms of the same element that have different mass numbers.

Example : Hydrogen, Deutirium and tritium all these have different mass but same atomic numbers.

In Britain few of the Canals built during the early days of the Industrial Revolution are now playing an important role in the economy  of the country. Example, Grand Union Canal.