Microprocessor The 8085 microprocessor uses a crystal of frequency 6.25 Mhz. The T-state value is 320ns 640ns 960ns 1280ns 320ns 640ns 960ns 1280ns ANSWER DOWNLOAD EXAMIANS APP
Microprocessor At the beginning of a fetch cycle, the contents of the program counter are incremented by one. transferred to address bus. transferred to memory data register. transferred to memory address register . incremented by one. transferred to address bus. transferred to memory data register. transferred to memory address register . ANSWER DOWNLOAD EXAMIANS APP
Microprocessor How can we make any bit of a register “1”? AND that bit with “0” and remaining bits with “1”. OR that bit with “1” and remaining bits with “0”. AND that bit with “1” and remaining bits with “0”. OR that bit with “0” and remaining bits with “1”. AND that bit with “0” and remaining bits with “1”. OR that bit with “1” and remaining bits with “0”. AND that bit with “1” and remaining bits with “0”. OR that bit with “0” and remaining bits with “1”. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Consider the following statements: Arithmetic Logic Unit (ALU) 1.Performs arithmetic operations 2.Performs comparisons. 3.Communicates with I/O devices 4.Keeps watch on the system Which of these statements are correct? 3 and 4 only 1, 2, 3 and 4 1 and 2 only 1, 2 and 3 3 and 4 only 1, 2, 3 and 4 1 and 2 only 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor DMA signal/signals in 8085 is/are HLDA. HOLD. READY. All. HLDA. HOLD. READY. All. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Identify the programmable DMA controller from the following 8279 8257 8251 8253 8279 8257 8251 8253 ANSWER DOWNLOAD EXAMIANS APP