Microprocessor How many bytes in a zero memory page should be reserved for vectors used by RST instructions? 64. 32. 128. 16. 64. 32. 128. 16. ANSWER DOWNLOAD EXAMIANS APP
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 S0 and S1 pins are used for acknowledging the interrupt serial communication None of these indicating the processor’s status acknowledging the interrupt serial communication None of these indicating the processor’s status ANSWER DOWNLOAD EXAMIANS APP
Microprocessor DS directive in 8085 None of these Forces the assembler to reserve one byte of memory Forces the assembler to reserve a specified number of consecutive bytes in the memory Forces the assembler to reserve a specified number of bytes in the memory None of these Forces the assembler to reserve one byte of memory Forces the assembler to reserve a specified number of consecutive bytes in the memory Forces the assembler to reserve a specified number of bytes in the memory ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Assertion(A): Ready signal of microprocessor is used to detect whether a peripheral is ready for the data transfer or not. Reason(R): In the microprocessor during data transfer operations, the wait states are added by forcing the ready signal low. Both A & R are true but R is not the correct explanation of A . A is true but R is false. A is false but R is true. Both A & R are true and R is the correct explanation of A. Both A & R are true but R is not the correct explanation of A . A is true but R is false. A is false but R is true. Both A & R are true and R is the correct explanation of A. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A mask programmed ROM is programmed at the time of fabrication erasable electrically programmed by the user erasable and programmable programmed at the time of fabrication erasable electrically programmed by the user erasable and programmable ANSWER DOWNLOAD EXAMIANS APP
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