Technician A says that a piston engine piston starts and stops several times per second. Technician B says that with a rotary engine, each rotor has three working chambers, so it acts like a three cylinder engine while it is operating. Who is correct?

Modern businesses use different technologies to accomplish work tasks

The file sales data.xlsx contains monthly sales amounts for 40 sales regions. write a sub that uses a for loop to color the interior of every other row (rows 3, 5, etc.) gray. color only the data area, columns a to m. (check the file colors in excel.xlsm to find a nice color of gray.)

What is the difference between windows 7 and windows 10?