Microprocessor Bus Interface Unit (BIU) in 8086 performs the following functions: All the above. Instruction decoding. Arithmatic and Logic operations. Instruction fetch. All the above. Instruction decoding. Arithmatic and Logic operations. Instruction fetch. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor How many bytes in a zero memory page should be reserved for vectors used by RST instructions? 32. 64. 16. 128. 32. 64. 16. 128. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The execution of RST n instruction causes the stack pointer to remain unaffected decrement by two increment by two None of these remain unaffected decrement by two increment by two None of these ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The reason for the presence of ALE pin in 8085, but not in 6800 is that 8085 has multiplexed bus, whereas 6800 does not have 8085 has 5 interrupts lines, whereas 6800 has only two None 8085 uses I/O mapped I/O, whereas 6800 uses memory mapped I/O 8085 has multiplexed bus, whereas 6800 does not have 8085 has 5 interrupts lines, whereas 6800 has only two None 8085 uses I/O mapped I/O, whereas 6800 uses memory mapped I/O ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Total number of modes the 8253 can work 6 12 8 4 6 12 8 4 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Because we wish to allow each ASCII code to occupy one location in memory, most memories are __________ addressable. WORD (16 bits) NIBBLE BYTE DOUBLEWORD (32 bits) WORD (16 bits) NIBBLE BYTE DOUBLEWORD (32 bits) ANSWER DOWNLOAD EXAMIANS APP