what are the four basic operations in a computer? define each of them with the help of block diagram. ​

In excel - calculate the actual increase/decrease from first quarter to the second quarter then subtract subtract first quarter value from second quarter total then divide result by first quarter value

Which steps will open the system so that you can enter a question and do a search for

Afile named data.txt contains an unknown number of lines, each consisting of a single integer. write some code that creates two files, dataplus.txt and dataminus.txt, and copies all the lines of data1.txt that have positive integers to dataplus.txt, and all the lines of data1.txt that have negative integers to dataminus.txt. zeros are not copied anywhere.