Question: (c) Clock pulses needed to control a digital system are generated by a circuit made up of NAND gate, 5002-resistor and 40pF capacitor (i)

(c) Clock pulses needed to control a digital system are generated by a circuit made up of NAND gate, 5002-resistor and 40pF capacitor (i) Draw the clock circuit [3 marks] (ii) Briefly explain how it works [3 marks] (iii)State the function of the resistor and the capacitor in the circuit drawn in Q4c(i) [2 marks] (d)Caiculate the frequency of the clock [3 marks]

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