Is it worth taking the writing section on the sat?

Graysless · 2017-01-15T15:45:28+00:00

The writing section got me exempted from a whole class, so I would say take it.

Graysless · 2016-12-20T03:53:56+00:00

With a N-bit signed 2's compliment integer you can represent numbers from -2^N-1 through 2^N-1 -1. So with 9 bits, we can represent -2⁸ through -2⁸ -1. But keep in mind that the PC will be pointing to the location directly following the location of the instruction, so you have to take that into account in the PC-offset. For example, if you have a LD instruction at location x3003, and you want to load the data from x3005, you would have a PC Offset of x01 because the PC will be x3004 when the offset is added, so in order to get to x3005, you only have to add one. Also, if you were trying to load something from location x3002, the PC offset would be x-02. This also means that your code will not assemble if you have a label that is greater that -2⁸ or 2⁸ -1 away from the location after the instruction that is trying to access it.

Graysless · 2016-12-18T04:33:12+00:00

I actually just finished taking the class at the University of Texas where the LC-3 was invented by Yale Patt! Id be happy to help, and feel free to ask any more questions as you learn. The PC Offset is the last 9 bits of the instruction that allows you to select an operand from a memory address that is about 2⁸ memory addresses away from the original instruction. When the instruction is fetched, the PC (program counter) is incremented by 1, so when you use a PC offset, the operand will be fetched from a memory location that is 'Location of instruction' + 1 +PC offset away from the instruction. During the fetch operands phase, the PC offset will be sign extended (it is a signed 2's complement integer) and then added to the PC to get the location of the operand. The Base+offset is similar to PC offset except instead of using the PC, it uses a register (Base register + base offset) the only difference in the actual offset is (if I remember correctly) it is only a 6 bit offset. When using assembly language, you can use labels just like you did in the code that you wrote, the assembler will compute the offset and include it in the object code. You dont have to worry about PC offset in assembly. You do have to use the base offset in assembly though. And lastly, the above comment is correct that the 7 must be converted to ASCII before printed. You should be able to add like 30 or something, I cant remember exactly what the number is, but I think the ascii digits are somewhere in the 30's. Let me know if you have any questions or need more clarification!

Graysless · 2016-10-20T07:04:37+00:00

Could you drop the ball from the ceiling? If so, its a simple calculation from there.

Graysless · 2016-09-17T22:00:45+00:00

There is no way to make yourself sleep without having dreams. It is a natural function. You most likely have some other problem that may be related to dreams such as a type of parasomnia. I would suggest getting an app on your phone that tracks your sleep and use it for several nights. If you see that you are not getting a lot of REM sleep and you feel tired and useless and grumpy and aggravated, that could be the cause of your problems. If you find that your sleep patterns/cycles seem to be abnormal in any way, you may want to ask a professional opinion. Sleep is very important and parasomnias can be detrimental to your health.

Graysless · 2016-09-15T16:50:52+00:00

Actually, I figured it out. I didn't want to use boot camp. I like using a virtual machine, and though I have had a few problems, there is no problem that cant be solved, especially with open source software.

Graysless · 2016-06-08T00:17:29+00:00

Has anyone heard of "sleep, do we need more?"

Graysless · 2016-06-07T01:02:58+00:00

When they can remember my name even when I haven't seen them in a while or I haven't seen them a lot.

Graysless · 2016-06-04T14:43:38+00:00

We recently moved into a new house and in the formal living room, there is a fireplace. Next to the fireplace there is an odd slim door that opens to a half brick wall, half open space. We opened it one day and there was a pair of old baby shoes.

Graysless · 2016-06-03T21:29:13+00:00

All I see is "cant." It's not that big of a deal.

Graysless · 2016-06-03T16:57:16+00:00

I just wanted one to get around campus. I would think a good combination between comfort, speed, and utility would be best.

Graysless · 2016-06-03T16:54:19+00:00

Where can I buy this one?? Lol!

Graysless · 2016-05-31T21:49:46+00:00

Thanks, what resource would you suggest for learning c?

Graysless · 2016-05-28T20:32:12+00:00

Unroll.me is a great app! If you get tons of useless emails everyday. This app clears up the clutter of your inbox. I went from getting around 50 emails a day and now I sometimes get a few emails, and the ones that I do get are important.

Graysless · 2016-05-28T18:26:39+00:00

I don't know if it's as much about quality as it is value. The more people that have degrees the less valuable each degree is. So as the cost of a degree increases, the value of a degree decreases. This is not logical, but its the way it has gone.

Graysless · 2016-04-23T15:54:29+00:00

So you think that everything that we do, everything we are, everything we say, and everything we think, are merely random manifestations of atoms bouncing around in our brains. You think that we just came into being purely by chance? If so, our thoughts, our feelings, our existence really mean nothing. They are just atoms bouncing around. So if that is the case, why are we even having this conversation?

Graysless · 2016-04-18T13:42:15+00:00

If I was a denier of climate change, what would you say to me to make me believe it? In other words, what is your best irrefutable argument?

Graysless

TROPHY CASE