Microprocessor Which of the following instruction will never affect the zero flag? ORA R XRA R DCR R DCX Rp ORA R XRA R DCR R DCX Rp ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In microprocessor based system DMA refers to direct memory access for the user None of these direct memory access for microprocessor direct memory access for the I/O device direct memory access for the user None of these direct memory access for microprocessor direct memory access for the I/O device 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? (I) & (II) (I) only (II) & (III) (I) ,(III) & (IV) (I) & (II) (I) only (II) & (III) (I) ,(III) & (IV) ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The 8085 microprocessor uses a crystal of frequency 6.25 Mhz. The T-state value is 960ns 1280ns 640ns 320ns 960ns 1280ns 640ns 320ns ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Inintel 8085A microprocessor ALE signal is made high to To achieve all the functions listed above To disable data bus To latch data D0-D7 from data bus Enable the data bus to be used as low order address bus To achieve all the functions listed above To disable data bus To latch data D0-D7 from data bus Enable the data bus to be used as low order address bus ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In a vector interrupt the branch address is assigned to a fixed location in memory. none. the branch address is obtained from a register in the processor. the interrupting source supplies the branch information to the processor through an interrupt vector. the branch address is assigned to a fixed location in memory. none. the branch address is obtained from a register in the processor. the interrupting source supplies the branch information to the processor through an interrupt vector. ANSWER DOWNLOAD EXAMIANS APP
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