How many bits are the inputs to Write register and Write data in the datapath?PCReadaddressAddInstructionInstructionmemoryRead.register 1Readregister 2O Write register-5, Write data=5WriteregisterWritedataO Write register-32, Write data=5RegWriteO Write register-5, Write data=32Registers Readdata 2O Write register-32, Write data=32Readdata 116Sign-extend32Shiftleft 2ALUSrcMUXAddALUresultALU operation4 ALUPCSrcZeroALU ALUresultMUXuAddressWritedataMemReadMemWriteReaddataDatamemoryMemtoRegMUX

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How many bits are the inputs to Write register and Write data in the datapath? PC 4-> Read address Add Instruction Instruction memory Read register 1 Read register 2 Write register Write data Read data 1 Registers Read data 2 Shift left 2 ALUSIC MUX ALU Add result PCSrc ALU operation Zero ALU ALU result MUX Address MemWrite Read data MemtoReg MUX

How many bits are the inputs to Write register and Write data in the datapath? PC 4-> Read address Add Instruction Instruction memory Read register 1 Read register 2 Write register Write data Read data 1 Registers Read data 2 Shift left 2 ALUSIC MUX ALU Add result PCSrc ALU operation Zero ALU ALU result MUX Address MemWrite Read data MemtoReg MUX

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Whenever the CPU receives a signal, it stops whatever it is doing to deal with the incoming request. So, here's how the mechanism operates: Spooling with B as the interrupt signal C as the interrupt handler D as the polling method A'.
The control signal Ep or iEnableoutput allows the program counter to decrement its value. True False The control signal Ep or iEnableoutput sends the content of the program counter to the W bus. True False A tri-state buffer is needed for all data going to the W bus. True False In using 'assign' statement in Verilog, the left hand side must always be a register. True False In declaring a register in Verilog, the following format must be followed: reg [LSB:MSB] identifier; True False
5. When designing register file, we used multiplexer to read from a specific register of that register file. However, to write in the register file, we didn’t use demultiplexer. Why ? 6. In our designed register file, we can write one data at a time. But if we want to write two data at a time,what should we do ?
2- Write a program in assembly language for the 8085 microprocessor to receive 10 bytes of data via the SID and store it at the memory address (3000h) using a baud rate of 1200. And two high pulses must be sent before each byte (start bits) and one low pulse after each byte (end bits). You can use this flowchart, but you should notice that this flowchart deals with one byte, and you are required to deal with 10 bytes No CDD CHHICE 10 Yes SIDATA Read SID Start Bit? Wait for Half-Bit Time Set up Bit Counter Wait Bit Time Read SID Save Bit Decrement Bit Counter All Bits Received? Add Bit to Previous Bits Go Back to Get Next Bit Return
D-Latch is a simple clocked memory element in which the output is equal to the stored state inside the element. In D-Latch the state is changed whenever the appropriate inputs change and the clock is asserted. A D-Latch has two inputs and two outputs. The inputs are the data value to be stored and a clock signal that indicates when the latch should read the value on the data input and store it. The outputs are simply the value of the internal state and its complement. When the clock input is asserted, the latch is said to be open, and the value of the output becomes the value of the data input. When the clock input is de-asserted, the latch is said to be closed, and the value of the output is whatever value was stored the last time the latch was open. What is the difference between DFF and D-Latch? Can one chip be used for constructing the other? Explain.
The Interrupt Vector Table offset is where FIQ interrupt procedures must hook and chain. It.?
Find the Interrupt Service Routine's memory address.
The interrupt vector table contains items that each represent a different collection of details.?
A set of ten packed BCD numbers is stored in the memory location starting at 3050H. i. Write a program with a subroutine to add these numbers in BCD. If a carry is generated, save it in register B, and adjust it for BCD. The final sum will be less than 9999sCD. ii. Write a second subroutine to unpack the BCD sum stored in registers A and B, and store them in the memory locations starting at 3070H. The most significant digit (BCD4) should be stored at 3070H and the least significant digit (BCD) at 3073H.
The write operation in Dynamic Random Access Memory (DRAM) is using a voltage signal to represent bit 0 and bit 1. The high voltage represent bit 1 and low voltage represent bit 0? O a. false O b. True
(d) The table below shows the ALUcontrol signal of the datapath we discussed in class. Instruction Funct ALU Орсode ALUop ALU action operation field control Iw 00 load word XXXXXX add 0010 Sw 00 store word XXXXXX add 0010 beq 01 branch equal subtract 0110 XXXXXX R-type 10 add 100000 add 0010 R-type 10 subtract 100010 subtract 0110 R-type 10 AND 100100 AND 0000 R-type 10 OR 100101 OR 0001 R-type 10 set on less than 101010 set on less than 0111 You want to add the bne instruction into the datapath, which already includes the required hardware for the instruction. Write out the ALUop for bne and how you can determine whether the bne results in the branch to be taken.
The Interrupt Vector Table specifies an offset from which a FIQ interrupt method's chaining and hooking must begin. It.?