Sign up now
to enroll in courses, follow best educators, interact with the community and track your progress.
Enroll
39
Download
Digital System: Signed Arithmetic Operation
117 plays

More
In this lesson, Aarushi has discussed Signed Arithmetic Operation.

Aarushi Sharma
I am done Bsc electronics and graduated.

U
Unacademy user
mam in stimulated emission when we give external photone to excited atom then why it comes to ground states why not go for more excited
last slide, that's 'not gate' not 'and gate'
  1. SIGNED ARITHMETIC OPERATION MSB bit is reserved to represent the sign of the number. When the number is negative, the sign bit is kept one. When the number is positive, the sign bit is 0. In 8-bit processor, MSB 7 bits = number. sign bit & other DIC In 16-bit processor, MSB sign bit & other 15 bits = number. 32


  2. EXAMPLES 0000 0101 (+5 decimal) 0000 0100 (+4 decimal) 0000 1001 (+9 decimal) 0000 0101 (+5 decimal) 1000 00 10 (-2 decimal) -- 2 O_ _1 0000 0011 ( -(2)-1 | 0 0 0 0 0 0 1 1 (+3 decimal)


  3. BCD AND GRAY CODE Decimal BCD Gray 0 0 0 1 0 0 1 0 0 0 1 1 0 1 0 0 0 1 0 1 0 1 10 0 0 0 1 0 0 1 1 0 0 10 0 1 1 0 0 1 1 1 0 1 0 1 0 1 00 1 1 0 0 1 0 0 0 1 0 0 1 34


  4. LOGIC GATES Logic gates perform basic logical functions They are fundamental building blocks of digital integrated circuits. Most logic gates take an input of two binary values, and output a single value of a 1 or 0. . Some circuits may have only a few logic gates, while others, such as microprocessors, ma them illions of 35/44 35


  5. not Gate Animation O/P 1 0 0 1 Input output not