1) where CPU fixed in the system unit? a) Ram b) hard disk c) mother boad 2) what is the wrong CPU main component? a) ALU b) vacum tubes c) CU 3) what is the first, second, third, fourth genarations electronic technology? a) integrated circuit, vacum tubes, transistors, microprocesser b) vacum tubes, transistor, integrated circuit, microprocesser c) vacum tubes, transistor, microprocesser, integrated circuit  4) what is the "1000 000 Hz" speed in CPU? a) 1Gz b) 1Kz c) 1Mz 5) What is the one mille second speed? a) 0.001 second b) 0.000001 second c) 0.000000001 second d) 0.000000000001 second 6) What is picture of a CPU? a) b) c)

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