Increment the Address registerDecrement the countIf count! = 0 go to LOOPAssume that each statement in this program isequivalent to a machine instruction whichtakes one clock cycle to execute if it is a non-load/storeinstruction.Theload-storeinstructions take two clock cycles to execute.The designer of the system also has analternate approach of using the DMAcontroller to implement the same transfer. TheDMA controller requires 20 clock cyclesfor initialization and other overheads. EachDMA transfer cycle takes two clock cycles totransfer one byte of data from the device tothe memory.What is the approximate speedup when theDMA controller based design is used in placeof the interrupt driven program basedinput-output? 5. On a non-pipelined sequential processor, aprogram segment, which is a part of theinterrupt service routine, is given to transfer500 bytes from an 1/O device to memory.Initialize the address register initialize thecount to 500LOOP: Load a byte from deviceStore in memory at address given by addressregister

5. On a non-pipelined sequential processor, a program segment, which is a part of the interrupt service routine, is given to transfer 500 bytes from an 1/0 device to memory. Initialize the address register initialize the count to 500 LOOP: Load a byte from device Store in memory at address given by address register

5. On a non-pipelined sequential processor, a program segment, which is a part of the interrupt service routine, is given to transfer 500 bytes from an 1/0 device to memory. Initialize the address register initialize the count to 500 LOOP: Load a byte from device Store in memory at address given by address register

Systems Architecture

7th Edition

ISBN:9781305080195

Author:Stephen D. Burd

Publisher:Stephen D. Burd

Chapter4: Processor Technology And Architecture

Section: Chapter Questions

Problem 15VE: A(n) ________________ instruction always alters the instruction execution sequence. A(n)...

See similar textbooks

Similar questions

If a microprocessor has a cycle time of 0.5 nanoseconds, what’s the processor clock rate? If the fetch cycle is 40% of the processor cycle time, what memory access speed is required to implement load operations with zero wait states and load operations with two wait states?
Most Intel CPUs use the __________, in which each memory address is represented by two integers.
A(n) ________________ instruction always alters the instruction execution sequence. A(n) ______________ instruction alters the instruction execution sequence only if a specified Condition is true.
How does pipelining improve CPU efficiency? What’s the potential effect on pipelining’s efficiency when executing a conditional BRANCH instruction? What techniques can be used to make pipelining more efficient when executing conditional BRANCH instructions?
What is the point of using cache memory if we already have volatile RAM (Random Access Memory)?Transistors are used in both random-access memory (RAM) and cache memory. Is it conceivable, if at all possible, to employ just one kind of memory to carry out all of a computer's functions?
For the MIPS assembly instructions below, what is thecorresponding C statement? Assume that the variables f, g, h, i, and j areassigned to registers $s0, $s1, $s2, $s3, and $s4, respectively. Assume thatthe base address of the arrays A and B are in registers $s6 and $s7,respectively. Note: for each line of MIPS code below, write the respective Ccode. After that, write the corresponding C code for the MIPS.sll $t0, $s0, 2add $t0, $s6sll $t1, $s1, 2 add $t1, $s7, $t1lw $s0, 0($t0)addi $t2, $t0, 4lw $t0, 0($t2)add $t0, $t0, $s0sw $t0, 0($t1)
6. Assume that two numbers: dividend and divisor are saved in memory address M1 and M2 respectively. Quotient and remainder should be saved in R1 and R2 respectively. Write assembly language instructions and then list microoperations for each instruction and list the control signals required to be activated for each microoperation. MBR is used as buffer for any register to register transfer operation. Signal Description: Control signals operation Comments C0 MAR to RAM (through address bus) C1 PC to MBR C2 PC to MAR C3 MBR to PC C4 MBR to IR C5 RAM to MBR C6 MBR to ALU C7 Accumulator to ALU C8 IR to MAR C9 ALU to Accumulator C10 MBR to Accumulator C11 Accumulator to MBR C12 MBR to RAM (through data bus) C13 IR to Control Unit C14 MBR to R1 C15 MBR to R2 C16 MBR to R3 C17 MBR to R4…
19. The 8085 microprocessor respond to the presence of an interrupt a. As soon as the trap pin becomes ‘LOW’ b. By checking the trap pin for ‘high’ status at the end of each instruction fetch c. By checking the trap pin for ‘high’ status at the end of execution of each instruction d. By checking the trap pin for ‘high’ status at regular intervals
Memory address translation is useful only if the total size of virtual memory (summed over all processes) needs to be larger than physical memory. True or False. Justify your answer.
in 80886 microprocessor Suppose that. DS = 0200H, BX = 0300H, and DI-400H Determine the memory address accessed by each of the following instructions, assuming real mode operation: (1) MOV AL,[1234H] (2) MOV AX,[BX] (3) MOV [DI]AL
the available space list of a computer memory is specified as follows: 9 start address block address in words 100 50 200 150 450 600 1200 400 determine the available space list after allocating the space for the stream of requests consisting of the following block sizes: 25,100,250,200,100,150 use i) first fit ii) best fit and iii) worst fit algorithms
Assume that the state of the 8088’s registers and memory just prior to the executionof each instruction in problem 15 is as follows: * in photos*What result is produced in the destination operand by executing instructions (a)through (k)? *only h through k* (h) MUL DX(i) IMUL BYTE PTR [BX+SI](j) DIV BYTE PTR [SI]+0030H(k) IDIV BYTE PTR [BX][SI]+0030H