MicroP lab 7 2021

What is 4 IR and IoT and how both technologies related to microprocessors and microcontrollers? List FIVE (5) of them in bullet points.

Show all terminals (leg connections,feeding,and output etc...) of the 741 integrated on a simple integrated image. Can you draw and show it?

Q3. Briefly explain CISC and RISC processing unit architectures?

Why are optoisolators normally used between the microcontrollers and the ULN2803? a) to reduce the back emf b) to increase the current c) to increase the voltage d) to optimize the current

What is an MCU and what is its function?

Please review the image provided.

4) a) Draw a diagram showing the following circuits 1: Ring, Radial and Spur circuits, label appropriately. b) Sketch a TN-C earthing system. Label appropriately. c) What is ATS? d) List 2 transition types and explain one with a sketch, the stages of operation. e) List 2 modes of operation of an ATS.

Explain the application of Diac, Triac, SCR and IGBT in industrial and power electronics based on its operating principle

Which of the following are part of the Arduino microcomputer. The answer could be more than one

Problem #4: Consider the Programmable Array Logic PAL module below '1' A B C D F₁ F2 F3 1. Determine the corresponding product term per row PRODUCT TERMS 000000

q5

Create an Arduino program with the following condition. Print the states of the potentiometer and LED in the Serial monitor. A. Turns LED 1 on and LED 2 off when the pot is rotated between 25% and 50% B. Turns LED 1 off and LED 2 on when the pot is rotated between 50% and 75% C. Flashes LED 1 at 5Hz and turns, LED 2 off when the pot is rotated less than 25% D. Turns LED 1 off and flashes LED 2 at 5Hz when the pot is rotated more than 75%

Q. 3 Look online resources for Intel 8255A Programmable Peripheral Interface. i. Draw neat pin diagram of 8255A. ii. Briefly explain its usage. (not more than 2 statements)

Define FACTS and write its necessity and benefits. With neat diagrams, briefly describe different type of FACTS controllers. Describe SVC and STATCOM and compare their performance.

Discuss the evolution of microchips and their significance in modern electronics.

VI. FILL-IN QUESTIONS: 1. Before the TRIAC is triggered on, the voltage across its main terminals is equal to the voltage. 2. When the TRIAC is triggered on, the voltage across its main terminal is about V. 3. Once the TRIAC is conducting, the gate_control the current to flow through the TRIAC. 4. The TRIAC can be turned off by reducing the current through it below its The TRIAC can have_or__terminal voltage and be triggered on by_applied on the gate.

Describe the role of microchips in embedded systems. Provide examples of industries and applications where microchips are crucial.

Explain the significance of VRMs (Voltage Regulator Modules) on a motherboard and how they impact CPU performance and stability.

What are fuses in the context of microcontrollers, and how do they impact device operation?

Explain the concept of a motherboard's VRM (Voltage Regulator Module) and its significance in CPU power delivery.

Q. 3 Look online resources for Intel 8255A Programmable Peripheral Interface. i. Draw neat pin diagram of 8255A. ii. Briefly explain its usage. (not more than 2 statements) Answer you given me what book you used

Q4 Table Q4 shows the mode and task that need to be implemented using PIC18F452. (a) Mode Switch (SW1) 1 Press 1 time 2 Press 2 times Table Q4 Task Move the LED right to left and continue back from left to right. Control the duty cycle of PWM for the period of 2 ms. You are given 1 switch, 1 potentiometer and 8 LEDs, sketch the interface between the components and PIC microcontroller. (b) Construct a C18 program to control the tasks in Table Q4. (4 marks)

250 200 SCC 150 7.5 100 5.0 50 2.5 25 s0 75 100 125 150 Field excitation, A VOLTAGE REGULATION Open-circuit voltage, Armature short-circuit current,

8:37 4 A M Vo) Gt LTE1 You Just now i) Analyse and execute the following 8051 Instructions and specify the output and explain the contents of the registers with comments MOV A, #92H SWAP A In the absence of a SWAP instruction, how would you exchange the nibbles? Write an 8051 ALP to show the process ii) Analyse and execute the following 8051 Instructions and specify the output and explain the contents of the registers with comments. CLRC MOV A, #4FH SUBB A#6DH JNC NXT CPL A INC A NXT: MOV RI,A ADD A,RI

Explain the importance of VRM (Voltage Regulator Module) on a motherboard and how it affects CPU stability and power delivery.

i need the answer quickly

Which of the following is a programmable peripheral interface? Select the correct response: 82A59C 82C59A 82C37A 82C55A

a) Show all the terminals (leg connections, feeding, and output etc..) of the 741 integrated on a simple integrated image. b) Draw the summing circuit using the 741 integrated. Calculate the circuit elements required for gain to be 1. c) Draw the difference circuit using the 741 integrated. Calculate the circuit elements required for gain to be 1.