Explanation:
1a. i know only 4 components of computer these are users, data,hardware & software
1b.users,the person who use the computer
data,it is the collection of raw facts and figures
hardware,is the physical part of the computer that can be seen and touch
software,is a set of program that instruct the computer to perform the certain action
2a,an internet is worldwide systen of interconnected computer network
2b.if some student want to now about something he can use internet and get the answer,to commenicate with others,and to learn online
Answer:
The phenomenon of total internal reflection of light is used in many optical instruments like telescopes, microscopes, binoculars, spectroscopes, periscopes etc. The brilliance of a diamond is due to total internal reflection. Optical fibre works on the principle of total internal reflection.
Explanation:
thank me later but if it wrong. sorry
Solution :
a.
public Book(
, String author, 
, int 
) {
this.
= ;
this.
= ;
this.
= ;
this. = ;
b). 
getTitle() {
return ;
}
setTitle() {
this. = ;
}
getAuthor() {
return author;
}
setAuthor(String author) {
this. = ;
}
getPublisher() {
return ;
}
setPublisher(String ) {
this. =;
}
public int get() {
return ;
}
set(int ) {
this. = ;
}
He should find answers about the population size hope this helps
