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Feb
4
awarded  Popular Question
Jan
21
asked concatenate and compress pdf files: which first, and do I uncompress them first?
Jan
17
awarded  Notable Question
Jan
17
comment Batch download multiple images after inspect elements in Chrome browser?
Thanks. I have tried FF + DownloadThemAll on an online book reading site, but it seems that it can't capture the pictures for the pages. Can you also try to see if it works?
Jan
12
comment What are functional unit and control logic of a cpu?
@slhck; about the first point, does a superscalar architecture replicate only functional units (i.e. execute unit) as said in the text, or both functional units (i.e. execute unit) and the control logic (i.e. fetch and decode units) as shown in figure 1-7(b)?
Jan
12
comment What are functional unit and control logic of a cpu?
(2) Also by multithreading, the text actually means time-multiplex. Why replicating control logic is necessary for time-multiplex? Can't multiple threads share the same control units (fetch unit and decode unit) at different times?
Jan
12
comment What are functional unit and control logic of a cpu?
@slhck: My questions are more than what you thought. The text says superscalar architectures replicate the functional units, while multithreading replicates not only the functional units, but also the control logic. (1) But in figure 1.7(b), the superscalar one have multiple fetch and decode units besides multiple execute units, so I am not sure if "control logic == fetch and decode units" and "functional unit == execute unit".
Jan
12
revised What are functional unit and control logic of a cpu?
added 477 characters in body; edited tags
Jan
12
comment What are functional unit and control logic of a cpu?
Thanks. do you mean that you think that functional unit and execute unit the same thing in the book? (note that I am not sure about if execute unit and execution unit are the same). what about control logic?
Jan
12
comment What are functional unit and control logic of a cpu?
no it doesn't. can you tell me what they are?
Jan
12
asked What are functional unit and control logic of a cpu?
Jan
12
awarded  Socratic
Jan
11
asked Batch download multiple images after inspect elements in Chrome browser?
Jan
8
comment What manages IO between a buffer and a device?
Thanks. What does ""only give data to the requesting program if the I/O completes successfully" mean? What is the opposite of "only give data to the requesting program if the I/O completes successfully"?
Jan
8
awarded  Notable Question
Jan
7
asked What manages IO between a buffer and a device?
Jan
7
asked exiftool width and height of resized images not match the new sizes
Jan
4
comment What determines the page size and the cluster size?
@sawdust Thanks. (1) Wikipedia says "Page size is usually determined by processor architecture. " So is a memory's page size determined by the CPU? A memory may have different page sizes when it is used by different CPUs? (2) You said that MMU put constraints on page size, and if I am correct, MMU is part of a CPU, so is your reply consistent with Wikipedia? (3) Is the OS not involved in determining the page size?
Jan
3
asked Why isn't page used as the unit when calculating the maximum size of RAM a CPU can address?
Jan
3
asked Meaning of a block