7. The most common operating system for PC is а) DOS
б) Microsoft Windows
в) Mac OS
г) Linux
д) Unix
8. During world war 2 mauchly and Eckert constructed the
а) ABC
б) ENIAC
в) UNIVACI
г) MARK 1
д) MARK 2
9.Which is a correct association between hardware, device and component type?
а) Mouse processing
б) Keyboard input
в) Hard disk output
г) CPU storage
д) No correct answer
7-б
8-б
9-д
кактотак