Answer Posted / qqlin
it means this value will be changed unexpectedly. everytime
the program wants to use it, it can only be got from memory
but not from the register directly.
if you want a variable can be accessed by several threads,
you need this key word, like in ISR program, etc.
| Is This Answer Correct ? | 5 Yes | 0 No |
Post New Answer View All Answers
How do you declare a set in c++?
Explain shallow copy?
Can non graphic characters be used and processed in C++?
How do I tokenize a string in c++?
What is the difference between the compiler and the preprocessor?
What is the difference between an external iterator and an internal iterator? Describe an advantage of an external iterator?
How to access a variable of the structure?
what do you mean by volatile variable?
What is the difference between map and hashmap in c++?
Write a program to find the Fibonacci series recursively.
What is a sequence in c++?
What is lambda expression c++?
What is a character in c++?
What return value must conversion operators have in their declaration?
Write a single instruction that will store an EVEN random integer between 54 and 212 inclusive in the variable myran. (NOTE only generate EVEN random numbers)