Microprocessor HLDA signal in 8085 performs the following operation: Indicates that another master is requesting the use of the address and data buses. Indicates that the CPU has not received the HOLD request. Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. Hold the data in the accumulator until the microprocessor is turned OFF. Indicates that another master is requesting the use of the address and data buses. Indicates that the CPU has not received the HOLD request. Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. Hold the data in the accumulator until the microprocessor is turned OFF. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Consider the following I) Sign flag II) Trap flag III) Parity flag IV) Auxiliary carry flag. Which one of the above flags is/are present in 8085 microprocessor? (II) & (III) (I) ,(III) & (IV) (I) only (I) & (II) (II) & (III) (I) ,(III) & (IV) (I) only (I) & (II) ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following instruction may be used to clear the accumulator content irrespective of its initial value? SUB A CLR A ORA A MOV A, 00H SUB A CLR A ORA A MOV A, 00H ANSWER DOWNLOAD EXAMIANS APP
Microprocessor DMA is used between microprocessor and memory microprocessor and I/O none memory and I/O microprocessor and memory microprocessor and I/O none memory and I/O ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The first microprocessor to include virtual memory in the intel microprocessor family is 80386 80286 Pentium 80486 80386 80286 Pentium 80486 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following statement is false? A microprocessor has an ALU A microprocessor has bi-directional data bus A microprocessor has unidirectional address bus A microprocessor has bi-directional address bus A microprocessor has an ALU A microprocessor has bi-directional data bus A microprocessor has unidirectional address bus A microprocessor has bi-directional address bus ANSWER DOWNLOAD EXAMIANS APP