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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

- The stack memory is addressed by a combination of the plus offset. The PUSH and POP instructions always transfer between segment -bit number the stack and a register or memory location in the 8086 microprocessors. For string instructions, DI always addresses data in the segment. The 8086 LOOP instruction decrements register for a 0 to decide if a jump occurs and tests it

Consider the following assembly program MOV CX, 1100H DLY: SUBS CX, CX, #1 NOP BNE DLY NXT: --- (a) How many times does the BNE DLY instruction get executed? (b) Change the first line of the program so that BNE DLY is executed 34 times (c) Change the second line of the program so that BNE DLY is executed 34 times, while the fist line stays unchanged (MOV CX, 1100H)

1. Write down 2- differences between  Von-Neumann and Harvard architecture. 2. you are executing an instruction, SUB $s0, $s1, $s2 (address 0x20). Draw the datapath of this instruction when $s1=10, $s2=5. When are the stages in this datapath? Mark the components which are active in corresponding stages. 3. How to store(1050000)10 in register $s0? Write down the instructions that stores the data in $s0 register.

Question 1: Use Indirect addressing to write a PIC24 assembly code that complements and adds 5 and multiply by 2 to 1024 data bytes into the memory at starting address Ox1000. The original data are stored in the memory starting from address 0x800. it is an electrical engineering question . this is the full information about the question!

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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

New Solution

After executing XLAT instruction, the content of system registers is: ES=4E25, DS=041C DI=6814, BX=0201, and AL =40, (all values shown are in hexadecimal and the addresses shown are physical addresses). What is the content of AL before executing this instruction? H. H. Address 20н 40 H 60 н 80 H A0H СОн E0 H Content 447C 447D 447E 447F 4480 4481 4482 Notes: 1- Use the memory fragment shown to answer this question. 2- Write down the final value of AL as two hexadecimal digits without any additional characters.

Microprocessor

part d, e, f

Solve the following question. You must show your work. a) What does 962F000016 represent in an IEEE single-precision floating-point number? b) Convert -151o to a 16-bit sign-magnitude representation. c) Convert-151o to a 16-bit two's complement representation. d) Define the system status register value after an instruction execution resulted the following: a. Result was a non-zero value, a negative value, had a carry and extended bits. b. Trace mode was not on and was executed in supervisor mode. C. Any higher interrupt priorities higher than level 3 will be recognized.

6- Set BX to 4567H, CX to FEDCH and SP to A59FH, then run the instructions: PUSH BX PUSH CX a. What is the new value of SP ? b. Display the memory locations where you pushed the values of BX and CX in the stack.

Microprocessor

3. Suppose r0=0x20000000 and r1=0x12345678. All bytes in memory are initialized to 0x00. Suppose the following assembly program has run successfully (the three instructions will be executed in the given order). Draw a table to show the memory value if the processor uses little endian. STR r1, [r0], #4 STR r1, [r0,#4]! STR r1, [r0, # 4] Address 0x20000010 0x2000000f 0x2000000e 0x2000000d 0x2000000c 0x2000000b 0x2000000a 0x20000009 0x20000008 0x20000007 0x20000006 0x20000005 0x20000004 0x20000003 0x20000002 0x20000001 0x20000000 Data

please answer ASAP Subject: MICROPROCESSOR

8085 Microprocessor

Identify the contents of the registers, the memory location (C055H), and the flags as the following instructions are executed in 8085 microprocessor.   A H L S Z CY M(C055H) LXIH, C055H               MVI M,8AH               MVI A,76H               ADD M               STA C055H               HLT

1.Without using the MUL instruction, give instructions that multiply register r4 by: a)128   b)253

The last executable instruction in a procedure must be A bus cycle is equal to clocking periods. If AO is a logic 0, then the memory bank is selected. the 8086 processor is partitioned into two logical units------------ and

3- what is the advantages of memory segment. 4- state the purposes of segment registér. 5- what is the different between general purpose register and segment register and flag register.

computer architecture and organization

Implement a byte-addressable instruction memory using Verilog (address locations are 8 bit)   Information in Image

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