ADVANCES IN MATHEMATICAL ,PHYSICAL AND CHEMICAL SCIENCES B.sc computers-2   1.     What  is  Number  System?  Explain  various  types  of  Number  System?   Number  system  refers  to  a  set  of  symbols  and  rules  used  to  represent  and  manipulate  numbers.  In  computers,  numbers  are  represented  using  different  number  systems,  such  as  binary,  octal,  and  hexadecimal.   a.    Binary  Number  System:   ●         The  binary  number  system  uses  only  two  symbols,  0  and  1.   ●          It  is  the  most  fundamental  number  system  used  in  computers  because  it  directly  corresponds  to  the  on  and  off  states  of  electronic  switches.   ●          Each  digit  in  a  binary  number  is  called  a  bit  (short  for  binary  digit),  and  a  group  of  8  bits  is  called  a  byte.   ●       ...