PPSC Past Paper Sub inspector Punjab Police 2019 Solved MCQs, Computer MCQs, Computer Short keys MCQs, PPSC Solved Past Papers MCQsShortcut keys to switch to the next window is?A. Alt + Tab B. Shift + Tab C. Alt + Ctrl D. Ctrl + Tab Income of A is 25% less than B. How much percent Bs income would be more than that of A?Who is called the father of computer?