The 8-bit registers AR, BR, CR, and DR initially have the following values: AR= 11110010, BR= 11101111, CR= 10111001 , DR= 11101010 Determine the 8-bit values in each register after the execution of the following sequence of microoperations. AR <-AR + BR CR <- CR 16 ^ DR, BR <- BR + 1 AR <-AR – CR
. Starting from an initial value of R in Hex is C1 determine the sequence of binary values in R after a logical shift-left, followed by a circular shift-right, followed by a logical shift-right and a circular shift-left. explain through the proper diagrams.
An 8-bit register contains the Hex value 89. What is the register value after an arithmetic shift right? Starting from the initial number 89, determine the register value after an arithmetic shift left, and state whether there is an overflow not, explain through the proper diagrams.
What happens to a capacitor when we use 2, 3, or 4 times RC time constant rather than 5 times constant? What it's effect? Does it become dangerous?
* Using the 74LS148 IC, DIP switches and 3 LEDs, draw and construct the 8-to-3 line priority encoder. Complete the truth table.
3. Consider PC = 92
4. DR=312-01
5. Now perform the below given task
AR <- PC
M[AR] ->DR
IR<-M[AR]
Explain the contents of the memory after the execution of second instruction.