The microprocessor unit that responsible for instruction queuing is O EU O ALU BIU O Segment registers None of the above
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- 8085 microprocessor went through its manipulation operation in the ALU, the results was transferred on the data bus and status of the results was stored in the flag register for indications . With your knowledge and understanding illustrate a complete bit configuration of 8085 flag register and show the functions of the represented bits in the register.1. Draw the figure showing the types of registers in an 8086 microprocessor. Write the register group types explaining the functions shortly for each one.1. Write the contents of all registers and the conditions codes registers after each execution instructions in Table Q1(a). Instructions SUBS r0, rl, 12 MOV 12,13, ASR #3 ro 11223344 Table Q1 (a) rl F7770025 12 r3 CF119856 CF119856 NZ V C 010 1
- Draw the figure for memory segments with 8086 microprocessor software model. Explain the logical address structure used for each segment (Explain which registers are used in logical address presentation of each segment; segment address : offset address). Give an example solution to find the physical address in a segment from the logical address for 8086 microprocessor.4. Write a simple complete program with LOOP instruction for 8086 microprocessor, and explain the processes for each line of the program.Q5: Fill in the following blanks with appropriate answers (Choose Five Only) 1. The instruction that subtracts 1 from the contents of the specified register/memory location is ..…….….…..………………….. 2. In general, the destination operand of an instruction can be ....... 3. The instruction that supports addition when carry exists is 4. If there is a carry from lowest nibble during addition, ............. flag sets. 5. register is used as a default counter in case of string and loop instructions. 6. In PUSH instruction, after each execution of the instruction, the stack pointer is. ************** **********
- - 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* Include memory elements and ........ combinational circuit Sequential network Integrated circuit Programmable logic array O O4) Design and draw these memory units with their control circuits. Explain operations. a) A single EPROM 2716 is used with an 8088 microprocessor so that this microprocessor will see only X bytes of memory between the address range of DF800 –DFFFF or DD800 - DDFFF instead of 1M byte that it expects. Draw this circuit. What are X bytes? Do not use 74138 decoders. b) Design and show a 16K x 16-bit memory circuit by using 8K x 8-bit RAMS. Explain its operation. Do not use decoder 74138 chip.
- Q4(a) Adder is divided into three types which are half adder, full adder, and parallel adder. Illustrate the implementation of full adder using half adder with necessary logic gates. (i) (ii) Figure Q4(a)(ii) shows the input timing diagram for a full adder. Illustrate the timing diagrams for output S and Cout- Cin Cout Figure Q4(a)(ii)Sketch a circuit to represent the logic AB’C’D using a. a conventional symbol b. an array logic symbol.A memory location has a logical address where the segment address is 2019h and the offset address is the 0084h. Find the physical address of the memory location. please help me with those questions, those are from – Microprocessor and Interfacing, Electrical and electronics engineering.