Microprocessor Identify the non-programmable interfacing device from the following 8212. 8257. 8295. 8255. 8212. 8257. 8295. 8255. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Assertion(A): Monostablemultivibrators (IC74121) are used in a microprocessor based system for frequency measurement. Reason(R): Microprocessor counts the number of interrupt signals/second or within a specified interval through ISR. A is false but R is true. Both A & R are true and R is the correct explanation of A. A is true but R is false. Both A & R are true but R is not the correct explanation of A. A is false but R is true. Both A & R are true and R is the correct explanation of A. A is true but R is false. Both A & R are true but R is not the correct explanation of A. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which of the following instruction will never affect the zero flag? DCR R ORA R XRA R DCX Rp DCR R ORA R XRA R DCX Rp ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In a vector interrupt the branch address is assigned to a fixed location in memory. the branch address is obtained from a register in the processor. none. 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. the branch address is obtained from a register in the processor. none. the interrupting source supplies the branch information to the processor through an interrupt vector. 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
Microprocessor The number of output pins in 8085 microprocessors are 27. 21. 40. 19. 27. 21. 40. 19. ANSWER DOWNLOAD EXAMIANS APP
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