Microprocessor Using one 8259 IC is equivalent to providing …………. INTR pins on 8085 8 18 16 12 8 18 16 12 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The stack pointer register in a microprocessor counts the number of instructions being executing on the microprocessor keeps the address of the next instruction to be fetched counts the number of programs being executing on the microprocessor holds the address of the top of the stack counts the number of instructions being executing on the microprocessor keeps the address of the next instruction to be fetched counts the number of programs being executing on the microprocessor holds the address of the top of the stack ANSWER DOWNLOAD EXAMIANS APP
Microprocessor During the execution of the instruction, the ________tests the status and control flags and updates them based on the results of executing the instruction. Bus Interface Unit (BIU) Both ‘c’ and ‘d’ None of these Execution Unit (EU) Bus Interface Unit (BIU) Both ‘c’ and ‘d’ None of these Execution Unit (EU) ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The 8085 microprocessor enters into bus idle machine cycle whenever INTR interrupt is recognized DAD RP instruction is executed RST 7.5 is recognized None of these INTR interrupt is recognized DAD RP instruction is executed RST 7.5 is recognized None of these ANSWER DOWNLOAD EXAMIANS APP
Microprocessor How can we make any bit of a register “1”? AND that bit with “1” and remaining bits with “0”. OR that bit with “1” and remaining bits with “0”. OR that bit with “0” and remaining bits with “1”. AND that bit with “0” and remaining bits with “1”. AND that bit with “1” and remaining bits with “0”. OR that bit with “1” and remaining bits with “0”. OR that bit with “0” and remaining bits with “1”. AND that bit with “0” and remaining bits with “1”. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor When .9432 E – 4 is subtracted from .5452 E – 3 in normalized floating point mode .9432 E – 4 is changed to .09432 E – 3 and .5452 E – 3 is not changed None of the numbers is changed Both Ihe numbers are changed and their exponents are, made equal to -5 .5452 E – 3 is changed to 5.452 E – 4 but .9432 E – 4 is not changed .9432 E – 4 is changed to .09432 E – 3 and .5452 E – 3 is not changed None of the numbers is changed Both Ihe numbers are changed and their exponents are, made equal to -5 .5452 E – 3 is changed to 5.452 E – 4 but .9432 E – 4 is not changed ANSWER DOWNLOAD EXAMIANS APP
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