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Lec-6 What are Signed & Unsigned Numbers | Arithmetic Operations | Number system
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- čas přidán 8. 07. 2020
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Arithmetic Operations(Addition, Subtraction, Multiplication, Division). It is of two types:
1) Unsigned Numbers(Positive)
2) Signed Numbers(Positive, Negative)
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Signed numbers in DLD are typically represented using a system called Two's Complement. The most significant bit (MSB) is used as the sign bit, where 0 represents a positive number and 1 represents a negative number. The remaining bits represent the magnitude of the number. Two's Complement allows for both positive and negative values to be represented, and arithmetic operations can be performed on these numbers using standard binary arithmetic.
Unsigned numbers in DLD are represented using simple binary codes, where all bits represent the magnitude of the number. Unsigned numbers can only represent non-negative values, as they do not have a sign bit.
Two's complement is a brilliant concept used to extend the range of negative numbers within binary representation. With negative signs represented by the MSB (most significant bit), we can't directly represent negative values. So, two's complement comes to the rescue!
Let's take -5 as an example. First, we find the positive counterpart of 5: 00000101 (8-bit binary). Next, we invert all the bits to get 11111010. Then, by adding 1 to the result, we obtain 11111011. Voilà! Now we have a way to represent the negative value of 5 in binary.
Two's complement allows us to use the same hardware for operations like subtraction and addition of both positive and negative numbers. Without it, we'd be restricted to only positive numbers-a real handicap for any CPU!
Chart gpt sa copy karka deya keya 😅😅
Thank you sir, had great learning from your videos.
Nice explanation sir ... Aap videos ko upload Krna continue rkho ... Because aap acha explain krte ho 👍🔥🙏
This can not be easier than this.
Acha toh -45 ko binary mai likh
@@HPGamer428 base 10 kaise ayaa neeche jab base pehle 3 tha
@@HPGamer428 (45)₁₀ = (101101)₂
Therefore if we write it in 8 bits, first bit would be for sign and the remaining 7 for absolute binary value. Therefore in seven digits (45)₁₀ = (0101101)₂. And sign is negative, so first digit would 1. Therefore as 8 digit signed binary number -45 can be written as 10101101.
@@arvindkumar-lt9bnis there any issue if we write just 7 bits
@@harsh.37ofcourse if the question is 8-bit you need to write the answer in 8 bits
You are amazing. God bless you, sir.
sir everything is clear but i think 100 is -4 in signed number system, because it is the 3-bit 2's complement of +4. Your videos are really helpful to us. Thanks for taking such a great initiative. Thank You!
Best teacher on CZcams ❤
you should teach the 2's compliment method, is sign and magnitude method used anywhere?😅
Thanku Sir
This is very helpful for my isc examination
Bakwaas video ever
This is really helpful for us , thank u for your effort❤
After 2 years, it is still effective.
bhai gyaan nahi badalta usse samajhne ka tarika hi change hota h bas
Thanks sir aapki ki wajah se yeh chapter me confusion chala gaya❤❤❤. Your channel deserve more
So much quality in only 8 mins hats off to you sir
Sir your speech is the best of teaching
Well done sir......😇💪👍
thankyou brother for this beautiful lecture
Best ever explanation....thank you sir
beta galat hai vo, the order is [ 0 , 2^(n-1) - 1 ] U [ - 2^(n-1), -1 ] , in that example : 0,1,2,3,-4,-3,-2,-1 , esa hona chahiye
It's about the range of numbers that can be represented not the order. So, the range is indeed right in the video.😊
Sir your teaching method is very good ❤🎉
Awesome explanation Varun Singla sir👍👍
Getting the point 😀👍🏻
Thank you sir ji , you saved me time ❤️
This is really helpful sir. Keep going on 👍
7:50
range of signed numbers
(-2 exponent 2 )+1= -4+1= -3
but even power ane pr to number positive bn jata hai ?
Very easy and nice explanation sir
Well done sir
Keep it up
Negative signed no. Are in the twos complement form ??
Thank you very much sir for the nice explanation
thank you so much sir
Tysm Sir :)
Yes sir we get the point ..
very helpfup for bca students sir thanks a ton
Mind blowing explain 🔥
thank you.
Thank u so much sir
Superb amazing sir 💙
After a long time but still very impressive ❤
Sir Love This lecture❤
Getting the point 👨🏻🏫
😂🤣🤣
You are the best man 👍🏽👍🏽
Assalamalaikum sir your videos are really helpful for btech electronics students....I m really greatful to you ...and I really like your punjabi accent
I am diploma electrical student bhaijaan
Thank you sir.you teach amazing, please make video on bsc it syllabus
how -2 * -2 = -4 ???? you have mentioned -2 power of 2 +1 = 3. please explain
Thank you so much anna really it is helpful and useful
Sir, I think signed number's range is having some problem. Kindly check it once. Thank You.☺️🙏
yes i agree
Very helpful for me thank you so much ☺️
Nice Teaching Sir👍
Get in the point 🤣
Getting the point?
best explanation on youtube
Sab lecture ke smj aye lakin yah sar k upper sa gya hai☺
Us bro us 😂
Well explained 👏
Thank you 😊 sir ji
Good explanation sir thx
intro gives aesthetic vibes💘
Thank you sir❤
Sir you are the best teacher ❤
Sir starting ki bacjground music mind bloging hai🔥🔥🔥
7:30 Minimum is -2^n-1 or -2^(n-1)+1 ?
Jio sir jio....
MATLAB thank you sir
Thank U sir +1
But sir in signed no.s the range in the data is -2^(n-1) to 2^(n-l)-1
For example for 3 bit signed no.
Data ranges from -4 to 3(shown in maximum books nd google as well)
But you ve shown sir -3 to 3
yes
Yes
Kuch samj nahi aya isme
Oho
Likh likh kar samjho video khali dakh na sa kuch nahi hota
Brother I'm from Bangladesh...
thanks a lot for helping me..
I have many problems in this topic..
But now it's veryeasy to me😊😊😊
Thanks Bro
2:54 its sounds like a song that's better to remember
Thanku sir
Brother when u r explaining then explain completely bro, what i understand is in SIGNED Integer formula -2 power of n-1 plus 1 in this (-2 means, minus bcos signed starting with minus, then 2 for in binary zero and one only two digits are there therefore use 2 AND -2 Power of n-1, here -1 we have to do bcos in signed we are not using first place of binary so deduct that 1 digit so in n-1, minus 1 doing this job and after that at the end plus 1 bcos of TILL 4 We are not count to make till 3 we are adding plus 1 ) OFFFFF THIS PROBLEM DUE TO I AM NOT FROM MATH BACKGROUND BRO, MAY B Who belongs to math they can but like me need this kind of explanation. by the by thanks for ur great explanation and subject. which i did not understand from others i understood from ur video bro. shukran.
Nice explanation
Good but too short class.. atleast provide half hour class.. daily please Sir...
Short but set in the mind
@@DjayGamers nope
@renu Sangwan. Agree with you
Jeero jeero jeero
Thankyou. ❤
Her:I love your accent ,say that again please
Him:jero jero one jero one jero
😂😂
Thanks for this sir👌👌👌👌👌👌💐💐💐💐💐💐💐💐
Sir, I think there is a mistake. for 3 bits -4 to +3 signed integers will be available. Because, -0 in the middle will not be counted.❤❤
Sir plz digital electronics ki series puri kara dijiye with all topics
Of it is written as 111 then what it is??
6 or -3?
-8 to signed binary number
Your sound is like jittu bhaiya 😃
Not jero it's zero😊
Kuch samajh nahi aaya
7:40 sir -2 ka square will be +4 the 4+1 will be 5 na
bhaiya, u r great😭😭😭❤❤❤,,,today is my ece paper and I've learnt all the concepts from this playlist...Right Now my confidence is on next level......THANKS BHAIYA😭😭😭😭❤❤❤
nice video sir ji
comment to bannta hai now it is totaaly clear
Thank u so much sir, had great learning from your videos
sir plz make a video on booths notation $ booths algorithm also plz
sir pls complete dld playlist
Sir namber system ka 7nth lacture upload karo sir
Sir 00 ka magnitude 4 bhi to posible h .. ..
👍🏻👍🏻👍🏻
tommorow is my exam , that's why I am here 😁😁
Sir bcs ke liye konsa book le
Thanks sir
👍
Aj mera exam hy dua krna bacho
Bro your videos does not have subtitles how the other language people understand
Awsome
bro please make the correction 100 is not (-0) its -4 use 2,s complement please review your concepts
Whatever explained in the video is signed magnitude method. In 2' s complement method -4 is 100. He is right brother.
💌
What is getting in one
If it is in English language that would be more helpful...🎉😊
❤