4. If the value of the getline function equals -1 in C++, it means:
   No characters were extracted

statmenet can be

expression is usually a logical expression in while statement?

Conditional operator (?:):

Avariable must be defined before it can be used?

what is the output?

void main(){ int x=0; if(++x) cout<<"1"; elae cout<<"0"; }

! and && are binary operators?

"sum"<="sun"?

Central processin unit is

All programs must be loaded into main memory after it can be executed?

When computer power is turned off, every thing in is lost?

Each cell memory contain either .....?

secondary storage :device that stores data permanetly?

The computer control the system programs?

(Short for binary digit) ?

Bit is

Cmbine object program withe other programs provided by SDK to create executable code

Linker :combine object program with other programs provided by IDE to creat executable code?

Use an to creat a source program in c++?