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? 1 and 2 only 3 and 4 only 1, 2, 3 and 4 1, 2 and 3 1 and 2 only 3 and 4 only 1, 2, 3 and 4 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Identify the programmable DMA controller from the following 8279 8257 8253 8251 8279 8257 8253 8251 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor While STC instruction executes, no flags will be affected. only carry flag will be affected. only carry and zero flags will be affected. all flags will be affected. no flags will be affected. only carry flag will be affected. only carry and zero flags will be affected. all flags will be affected. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor XCHG instruction exchanges the content of H-L with ______ register pair. Stack Pointer PSW B-C D-E Stack Pointer PSW B-C D-E ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The number of output pins in 8085 microprocessors are 40. 21. 27. 19. 40. 21. 27. 19. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor If m is a power of 2, the number of select lines required for an m-input mux is: log2 (m) 2^m m 2*m log2 (m) 2^m m 2*m ANSWER DOWNLOAD EXAMIANS APP
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