Microprocessor Identify the non-programmable interfacing device from the following 8257. 8255. 8212. 8295. 8257. 8255. 8212. 8295. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 microprocessor system with memory mapped I/O, which of the following is true? Devices are accessed using IN and OUT instructions There can be maximum of 256 input devices and 256 output devices Devices have 8-bit address line Arithmetic and logic operations can be directly performed with the I/O data Devices are accessed using IN and OUT instructions There can be maximum of 256 input devices and 256 output devices Devices have 8-bit address line Arithmetic and logic operations can be directly performed with the I/O data ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The execution of RST n instruction causes the stack pointer to increment by two remain unaffected None of these decrement by two increment by two remain unaffected None of these decrement by two ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In an 8085 microprocessor based system, the contents of SP are 2000H. POP H instruction will transfer the contents of memory location 2001H and 2000H to H and L registers respectively 2000H and 1999H to H and L registers respectively 2001H and 2002H to H and L registers respectively 2000H and 1FFFH to H and L registers respectively 2001H and 2000H to H and L registers respectively 2000H and 1999H to H and L registers respectively 2001H and 2002H to H and L registers respectively 2000H and 1FFFH to H and L registers respectively ANSWER DOWNLOAD EXAMIANS APP
Microprocessor While CMP B instruction executes, only carry and zero flags will be affected. only carry flag will be affected. no flags will be affected. all flags will be affected. only carry and zero flags will be affected. only carry flag will be affected. no flags will be affected. all flags will be affected. 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. Both A & R are true but R is not the correct explanation of A. A is true but R is false. A is false but R is true. Both A & R are true and R is the correct explanation of A. Both A & R are true but R is not the correct explanation of A. A is true but R is false. ANSWER DOWNLOAD EXAMIANS APP