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How A CPU (Central Processing Unit) Works !

Hi, we'll be discussing classical computing, more specifically - how the CPU operates and CPU parallelism. [Music] In the previous video in this series we discussed the shrinking of the transistor, allowing for more powerful and efficient computers, as well as the end of Moore's Law based on the miniaturization of the transistor within the next seven to ten years. Be sure to check it out for some background context for this video. Now in that video when referring to computing performance, we were focused on classical computing based on the CPU.

Classical computing, is essentially the digital computer, almost every computing device on the market today is a classical computer. Classical computers operate in serial, in other words, as mentioned in the first video in the series, Computing Origins, executing various instructions extremely fast in 'order', but to the average user it appears to be running them in parallel, meaning multiple instructions at a time. This is du…

15 Cool Tricks In Iphone (You Must Know)

How's it going guys I'm Thio Joe and today I've got 15 cool hidden features and settings for iPhone and iOS in general that hopefully you never heard of before they're pretty hidden not always well-documented But you should still find them interesting and hopefully you'll learn something new that will be helpful so without further ado Let's just get started

Trick No.  1


Now this first one is one of my favorites And it is called rest finger to open And this will allow you to simply rest your finger on the home button or those touch sensor to unlock the phone instead of having To press the home button a second time To unlock it with the fingerprint sensor so to do this all you have to do is go to the settings then general Accessibility home button and then enable rest finger to open so now instead of having to press the home button or turn the power on To enable touch ID and then pressing it again to unlock now Once you press the home button you simply kind of hold your finger there And then it will unlock the phone completely.

Trick No. 2


next up number two this one is new in iOS 11 And it is the ability to screen record right from the phone natively? You don't have to use any third-party apps so to do this It's accessible through the control center once you enable it, so you go to the settings then control center Customize control and now you'll see the option to put the screen recording option in that control center And then all you do is bring up that control center tap the button It'll give you a little countdown and then that's how you do it, and then to stop it You simply swipe up again to bring up the control center and stop it like that next up.

Trick No. 3


Number three this one is custom vibrations per contact So this one is really useful if you want to know immediately Who's calling you just based on the vibration so to do this you go to the contacts list? And then you go to the person in question and then hit edit then go to ringtone vibration and then hit create new vibration And then you can actually literally hold down and make your own custom vibration based on how you're tapping And then it will do that whenever that person calls you and also.

Trick No. 4


here's another setting for contacts for number four when you go to Contact then edit you'll see one called emergency bypass This will allow you to let that person get through even if you have do not disturb on Normally if you have do not disturb enabled that call will not go through but if you have this enabled Then it will so this obviously could be really useful if you're expecting a very important call Then you could set that number to come through even if it's in the middle of the night or something if you're on call That would be great.

Trick No. 5


all right number five this one I don't really think is documented anywhere, and what it is is when you go into the camera app Normally say you wanted to take a picture of a document or something it might be hard to get it lined up perfectly straight down Well in the new iOS 11 when you're aiming the phone down it will actually show you a little crosshair indicator a white one and a yellow one and When you line those two up it means that your phone is completely flat So this is a great way if you're taking a picture of a text document And you don't want it to be distorted Then this will allow you to know that you're looking straight down and you can get it undistorted so really cool And you might not know about.

Trick No. 6


all right next up this one has to do with photos again And this one is good if you tend to edit photos a lot So this will actually allow you to duplicate photos if you didn't know how to do this before When you open up a photo in the app you click the box with the up arrow? Like the options button and then kind of scroll over and you'll see an option to duplicate image So a good reason for using this is normally when you edit a photo like you crop it It doesn't create a copy of the original it just changes that photo But maybe you want to create a cropped version and keep the original what you could do is create a duplicate and then Just edit the duplicate and then you have both .

Trick No. 7


next up number seven this one is going to definitely come in handy If you didn't know about it already and that is when you're using the keyboard and you have a lot of Text and you want to put the crosshair somewhere specific You can actually 3d touch the keyboard and then move around your finger And it will allow you to move the crosshair in that area of text so sometimes You know it's really difficult to tap in a bunch of text and get it exactly where you want Then you have to hold it down and scroll around but this way if you simply 3d touch the keyboard on any care It's a lot easier to move that crosshair around release it And then you're exactly where you want to be speaking of keyboards this one Also is great for having to do with text and that is how you can create text replacement?

Trick No. 8


Shortcuts so a lot of times you may want to I don't know type out a phrase that you use really often But it's kind of long well This way you can go into the dictionary and add your own shortcut so to do that you go to the settings then general Keyboards text replacement and here it will allow you to add the key word shortcut and then what it will replace that with or at least the option so for example if you want to do an emoji like a Funny face or maybe you want to do bullet points you could do that and then every time you type in that phrase It'll give you the option to select that in the text correction And then it'll replace it with that so you'll have to go and copy and paste it every time.

Trick No. 9


number 9 this one You're definitely gonna be happy to know about and it has to do with the calculator so say you're in the calculator and you type in a bunch of numbers, and you make a mistake in a calculation and Normally or think I'll have to clear it and restart the whole thing But no, you don't actually have to you can actually undo a digit by simply swiping left And it will delete the last thing you did so next time you're doing a calculation you screw it up You don't have to worry about doing it all over.

Trick No. 10


You can just redo that number 10 Here's a feature with the timer you might not have known about you can actually Set the alarm of the timer to not play something but stop playing Something so what you do is when you go into the timer you're setting an alarm It'll say when timer ends and you're the bottom you can actually set it to say stop playing so say it's at night Or you're taking a nap and you're playing music when you're going to bed, but you don't want it playing all night You can simply set a timer for an hour or so and then set to stop playing at that time And then it will stop the music once that timer ends instead of actually playing music so that is a nice little feature.

Trick No. 11


Number 11 another good camera feature now normally when you use the camera You can kind of soar to select the exposure and the focus by tapping But after a little while you know it switches back to autofocus and sometimes you don't want that well here You can actually lock the autofocus and exposure by simply holding down your finger on the picture And then we'll show a eaf lock which means Autofocus or an exposure lock so it will not change It so then you can just figure out what you want to do based on the composure of the image and not worry about it changing anything

Trick No. 12


Number 12 This is one you might have just figured out by yourself But you might have noticed when using certain apps especially if you go from one app to another Via a link or something at the top left of the phone It'll show an Arrow with the name of the last app you used And this will actually allow you when you tap it to basically go back so if you Didn't mean to click a link or something that took you from rent it to Twitter Then you can tap that and it'll take you back Without having to double tap and go into the app switcher menu or anything like that This is also good for people who usually use Android and they're used to having that back button this basically does the same thing although it's not always available.

Trick No. 13


Alright next up number 13. This is one I kept accidentally using without realizing it and it's called reach ability So if you have an iPhone 7 or later with the haptic home button then what you can do is actually double tap the home button just by tapping it not actually pressing in and It will then move the window or whatever you're looking at down Which makes it easier to reach if you're using one hand so if there's something you want to tap at the top of the screen You can't reach it without fumbling around you Simply double tap lightly on the home button and it'll bring it down and then you can Simply press the home button again to put it back up and then now it's a lot easier to reach for some of you this Is probably really obvious? but I'm sure there's at least some of you like me who are relatively newer to iPhone at least in a while and Didn't know why the heck it kept dropping down and now you can figure it out.

Trick No. 14


Number 14 This is actually kind of like multiple features in one and it's the ability to set triple click shortcuts And they're from the accessibility menu so again to get to these you go to Settings General accessibility And then look for where it says accessibility shortcut near the bottom now There are a bunch of different options you can set and you can actually set multi Full of these and then when he triple click It will pop up a little thing to select which one you want to use But one especially that I like for example is color filters And when you enable this you can actually customize it back in the display accommodations menu in the accessibility menu and one example use of this is You may know the night shift feature which dims the screen it kind of shifts it more orange at night But maybe if you really don't like the blue light keeping you up at night you want it to be even stronger effect So you can use this color filters option to make it look even more red when you go into that setting for display? accommodations And then you can change the tint using a custom filter and make it more red and then increase the intensity So then every time you triple click it It'll make the screen look very orange or very red which will basically make a super strong Nighttime effect, which I personally like because I wish the night shift feature was even stronger But this is kind of like that second best bet and then also in that accessibility shortcut option You can do ones like white point shift which kind of dims the screen But it's a little bit more than that and you can also invert the colors. You can do all sorts of stuff again You'll have to look those up specifically you could probably do a whole video about those.

Trick No. 15 (Final)


all right now finally This one is kind of a feature. That was hidden in plain sight you may have never noticed it although I believe it was introduced in iOS 10 or so and it's called the Bedtime mode in the timer app so when you go to the timer app right smack in the middle it allows you to enable this mode called bedtime mode And then this will allow you to basically set a wake-up time and a sleep time And then it will help you keep track when you go to bed When you wake up and it will remind you a certain amount of time before you go to bed to go to sleep and it Will just help you keep on a better more consistent sleep schedule And then help you track when you're not doing so well and you could also select which days you want to do it like based on the weekend or during the week and of course if You want you can customize what ringtone you want it to wake up to and everything like that? So I think that covers it 15 cool hidden features you might not have known about in your iPhone Our other iOS device, and if I missed any completely that are really awesome Of course you can let us know down in the comments be sure to check down there.

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