Here i am collecting for you some of the most important topics on basic computer knowledge that you should learn, read and practice. What is Computer Computer Software Computer Hardware Operating System Computer Input/Output Input Device Output Device Computer Memory Primary Memory Secondary Memory Virtual Memory RAM ROM Essential Hardware Parts (tangible) of Computer: Computer Case SMPS Motherboard Hard Disk Drive CPU Computer Keyboard Computer Mouse Computer Monitor Speakers UPS Computer Printer Graphics Card Scanner Joystick More Compute Knowledge Practice Resources Computer Science Guide Computer Science and Programming Quiz by MIT Computer GK Based Questions and Answers Computer and Technology Quiz by Britanica