Which of the following DMA Transfer Modes is the worst in term of hardware cost: a.Cycle Stealing b.Block Transfer Mode c.Burst mode d.Transparent mode
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- Suppose that you have a 128Mbps Internet link and want to download a 4GB movie fromwww.disney.com, while you are working on this problem. a) Specify the components that will cause the delay?b) Calculate/find two of delay componentsTRUE OR FALSE? The on-chip Flash is the same size in all members of ARM.. TRUE OR FALSE? The on-chip data SRAM is the same size in all members of ARMWhat would you enter to remove the configuration that was saved in NVRAM?
- A 32-bit computer has two selector channels and one multiplexor channel. Each selector channel supports two hard disks and two DVDs units. The multiplexor channel has two printers connected to it. Assume the following transfer rates. Disk drive 900 Kbytes/s DVD drive 800 Kbytes Printer 100 Kbytes/s Estimate the maximum aggregate I/O transfer rate in this system. Show how you estimate.What may cause a USB flash drive to cause an interrupt?Give a few instances in your organisation.Which of the following statements about GPU mining is CORRECT: A. Bitcoin mining cannot be parallelized. B. GPUs have the greatest cooling characteristics when you put a lot of them next to one another. C. Graphics cards have many floating-point units that aren’t used at all in SHA‐256. D. No graphics cards can be run faster than they're designed for.
- Transfer rates for character devices are often higher than those for block devices. Is this a true or false statement?Which of the following I/O techniques (Program I/O, Interrupt-Driven and DMA) is appropriate for the following I/O devices? Explain.a. Mouseif you are using a dialup connection with 55000 bps channel ,then how many times use to upload a (2MB)word file?
- Hello, can you adjust the code below so it prints 8 horizontal stripes to the Bitmap display, this is coded using RISC-V. .text main: # set-up trap handler la s0,trap_handler csrw s0,utvec # set utvec = address of the handler # enable processing of interrup requests from timer li s1,0x10 csrw s1,uie # set uie = 0x10 # enable interrupts in CPU csrsi ustatus,1 # set interrupt enable bit in ustatus (0) # ask timer, which is part of Digital Lab Sim tool, # to generate interrupts every 30 instructions # (see Digital Lab Sim help file for detail) li s1, 0xffff0013 li s0, 1 sb s0, 0(s1) j process_1 # start running process_1 # only registers s0-s3 are saved as process context # and can be used by the process code. # --------------------------------------- process_1: li s1,0xffff0010 loop_1: li s0,0x3f sb s0,0(s1) li s0,0x06 sb s0,0(s1) li s0,0x5B sb s0,0(s1) li s0,0x4F sb s0,0(s1) j…What are some of the possible reasons why a USB flash drive may create an interruption? Give your group a couple illustrations of what you mean.One of these statements is false in terms of the I/O channels types: a.selector channel transfer data in parallel b.multiplexor channel selects more than one I/O device simultaneously. c.none of the above d.multiplexor channel transfer data in parallel