Questions tagged [computer]

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Ryzen 5 2600x Rev. A versus Rev. F: What is difference in revs?

My son built a computer a few months ago with Gigabyte m/b and Ryzen 5 2600x. He bought the parts at a local Computer Super-Store and built it. I liked it so much I bought the parts at the same local ...
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1answer
42 views

How can I convert (AF36) hexadecimal to 2421 BCD? [closed]

How to represent numbers 10 to 15 in 2421 bcd? The original question is this:
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2answers
588 views

Use two passive CPU coolers on one single CPU?

I aim on building a silent, completely passively cooled PC, with no moving parts at all (I am aware that it is cheaper to go for an inaudible computer instead, using low speed fans. This is not the ...
2
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1answer
75 views

Why laptop keyboard has so many bus lines?

I changed one laptop keyboard on the new one and while changing it I noticed that it has 30 line bus. But from my VLSI practice, I know that keyboard can use only 1 data line and 1 clock line (PS/2) ...
1
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1answer
959 views

Is it possible to send ESC/POS commands to EPSON TM-T88IV Printer through Windows command line?

I am interested in learning more about ESC/POS commands. I have an EPSON TM-T88IV printer connected to my PC via parallel cable at port LPT1. Connected to this printer is an APG Cash Drawer. The PC is ...
1
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1answer
68 views

Have there been successful attempts at using a computer's heat to warm something up? [duplicate]

Computers get hot. So usually we try to make them less hot. But what if instead of trying to cool down a computer we used that heat for something else? Not necessarily any thing big like a whole ...
4
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1answer
350 views

Computer engineering vs Computer Science? [closed]

Sorry if this is in the wrong place; I haven´t posted in SE Engineering before, and the site said that SEE is also for students. I´m a High School senior and I´m debating between Computer Engineering ...
15
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3answers
2k views

Why is it more reliable to use the land/pit transition in a CD-ROM?

I was reading about how CD-ROMs work and I came to this: Although it might seem simplest to use a pit to record a 0 and a land to record a 1, it is more reliable to use a pit/land or land/pit ...
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3answers
421 views

What engineering advances paved the way for “modern” computers?

By "modern computers," I mean electronic programmable computers such as those that were developed about the middle of the 20th century. My understanding is that early computers such as Charles ...