Microprocessor Which of the following statements for intel 8085 is correct? PC specifies the number of instructions executed so far PC specifies the address of the instruction to be executed Program Counter (PC) specifies the address of the instruction last executed PC specifies the address of the instruction being executed PC specifies the number of instructions executed so far PC specifies the address of the instruction to be executed Program Counter (PC) specifies the address of the instruction last executed PC specifies the address of the instruction being executed ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Bus Interface Unit (BIU) in 8086 performs the following functions: All the above. Arithmatic and Logic operations. Instruction fetch. Instruction decoding. All the above. Arithmatic and Logic operations. Instruction fetch. Instruction decoding. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor At the beginning of a fetch cycle, the contents of the program counter are transferred to address bus. incremented by one. transferred to memory address register . transferred to memory data register. transferred to address bus. incremented by one. transferred to memory address register . transferred to memory data register. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The addressing mode in instruction PUSH B is register register indirect direct immediate register register indirect direct immediate ANSWER DOWNLOAD EXAMIANS APP
Microprocessor How many bytes in a zero memory page should be reserved for vectors used by RST instructions? 32. 128. 16. 64. 32. 128. 16. 64. ANSWER DOWNLOAD EXAMIANS APP