Recent questions tagged accumulator

Description : Describe Briefly The Accumulator Register Of 8085.?

Last Answer : Answer :It is one of the most important 8 bit register of 8085 It is responsible for coordinating input and output to and from the microprocessor through it. The primary purpose of ... logical operations. This accumulator register is mainly used for arithmetic, logical, store and rotate operations.

Description : Write A Program That Will Store The Contents Of An Accumulator And Flag Register At Locations 2000h And 2001h.?

Last Answer : Answer :By making use of the Push & Pop instructions the program can be written as: LXISP, 4000H - this step initiates the SP at 4000h. PUSH PSW - the contents of the accumulator and flag are pushed into the stack. POP B MOV A, B STA 2000H MOV A, C STA 2001H HLT

Description : If initial content of accumulator is 44 H, find out the new content of accumulator after execution of the instruction RR A

Last Answer : Contents of Acc will be 22H ( as RR A divides acc by 2)