Prompt: Question 1
a) Draw a 555 timer, identify its terminals and state their functions
b) State and briefly explain two modes of 555 timer operation

Question 2
a) What is a flip-flop?
b) Explain the following with the reference to flip-flop
i. Clocked S-C flip flop
ii. Clocked J-K flip flop
iii. D Flip Flop

Question 3
a) What is a register?
b) Explain the following with the reference to registers
i. Shift register
ii. Parallel data transfer
c) Explain the following with the reference to registers
i. Multiplexers
ii. De-multiplexers

Question 4
a) With the aid of diagrams, explain the following circuits with the reference to digital electronics
i. Sequential logic circuit
ii. Combinational logic circuit
iii. A latch
b) Draw logic circuits and the truth tables of the following
i. Half adder
ii. Half subtractor — Hazunga Chipo
**Model:** OpenArt SDXL
Prompt:
Question 1 a) Draw a 555 timer, identify its terminals and state their functions b) State and bri...Show more
**Width:** 1024
**Height:** 1024
**Scale:** 7
**Steps:** 25
**Seed:** 1471324545
**Sampler:** DPM++ 2M SDE Karras

Hazunga Chipo
**Model:** OpenArt SDXL
Prompt:
Question 1 a) Draw a 555 timer, identify its terminals and state their functions b) State and bri...Show more
**Width:** 1024
**Height:** 1024
**Scale:** 7
**Steps:** 25
**Seed:** 1471324545
**Sampler:** DPM++ 2M SDE Karras

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