Quiz_3_3405

need handwritten with explanation Clear

Q3/(A) False OR True 1- A0-0 and BHE-1 are used as low bank-select signal: 2-AX is 2234 H after executing the following instruction: AAS. If AX-2234H. 3-IP register holds the offset address of the next instruction to be executed. 4- The XLAT instruction in 8086 assembly language is used to perform arithmetic operations between two memory operands. 5- Bus interface unit is responsible form

program using emu 8086

Q1/ Answer the following questions? 1. List and explain LCD registers? 2. Human eyes emitenergy and are detected by ---- 3. Define Common cathode 7-Segment? 4. List 3 applications of microcontroller? 5. Ultrasonic include ----, - Q2/ How can we connect LDR with PIC Microcontroller? Q3/design control circuit by MC to operate 2 LEDs connected to pins AB and A4 of PIC16F84A.

P. 2. Consider a proposed new instruction named rpt. This instruction combines a loop's condition check and counter decrement into a single instruction. For example rpt x29, loop would do the following: if (x29 >0) { x29 = x29 -1: goto loop a) If this instruction were to be added to the RISC-V instruction set. what is the most appropriate instruction format? b) What is the shortest sequence of RISC-V instructions that performs the same operation?

Assume that memory location $c100 holds a data byte =$37, [ACCA]= $B8 and [ACCB]=$FE. For each of the following instructions determine the resultant content of ACCA or ACCB. (a) ANDA $C100 (b) ANDA #$05 ORAB #$EE (c) (d) CLR B (e) NEGA (f) DECB (g) ASLA (h) LSRB (i) EORA #$E4 (G) ROR A

RISC processors use ___________, unlike Intel processors. A) Checksum B) Peripheral I/O C) Interrupts D) Memory-mapped I/O

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

Given a 8-bit number at memory location 2050H. Write 8085 instruction to move the value stored at the following locations:  Register B Accumulator 2052H Write a single program and show register and accumulator screenshot and also attach memory view. In sim8085 software.

A) List and describe 10 features of the Atmel ATmega 2560 AVR microcontroller (use the ATmega 2560 complete reference manual for help). B) List and describe two AVR instructions. As part of your description make sure that you list the operation for each instruction that is provided in the instruction set summary.

A 9-bit asynchronous counter has a 128-kHz clock signal applied. (1) What is the MOD number of this counter? MOD number = (ii) What will be the frequency at the MSB output? fmsb = (iii) Assume that the counter starts at zero. What will be the count after 635 input pulses? After 635 input pulse, Count =

6. Describe the operation of an OTE instruction.