Microprocessor HLDA signal in 8085 performs the following operation: Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. Indicates that the CPU has not received the HOLD request. Indicates that another master is requesting the use of the address and data buses. Hold the data in the accumulator until the microprocessor is turned OFF. Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. Indicates that the CPU has not received the HOLD request. Indicates that another master is requesting the use of the address and data buses. Hold the data in the accumulator until the microprocessor is turned OFF. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Assuming LSB is at position 0 and MSB at position 7, which bit positions are not used (Undefined) in flag register of an 8085 microprocessor? 1, 3, 4 2, 3, 5 1, 2, 5 1, 3, 5 1, 3, 4 2, 3, 5 1, 2, 5 1, 3, 5 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor I)A total of about one million bytes can be directly addressed by the 8086 microprocessor II)8086 has thirteen 16-bit registers III)8086 has eight flags IV)Compared to 8086, the 80286 provides a higher degree of memory protection Which one of the statements given above are correct? 2,3&4 1,3 &4 1,2 & 3 1,2 & 4 2,3&4 1,3 &4 1,2 & 3 1,2 & 4 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor An I/O processor controls the flow of information between Cache and main memory Cache memory and I/O devices Main memory and I/O devices Two I/O devices Cache and main memory Cache memory and I/O devices Main memory and I/O devices Two I/O devices ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Pick up the programmable interrupt controller from the following 8257 8279 8259 8275 8257 8279 8259 8275 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor We say that a set of gates is logically complete if we can build any circuit without using any other kind of gates. Which of the following sets are logically complete Set of {AND,OR,NOT} Set of {EXOR, NOT} None of these Set of {AND,OR} Set of {AND,OR,NOT} Set of {EXOR, NOT} None of these Set of {AND,OR} ANSWER DOWNLOAD EXAMIANS APP