Microprocessor Which one of the following microprocessor has 16-bit data bus? 6502 Z-80 8085 68000 6502 Z-80 8085 68000 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The stack pointer register in a microprocessor holds the address of the top of the stack counts the number of instructions being executing on the microprocessor keeps the address of the next instruction to be fetched counts the number of programs being executing on the microprocessor holds the address of the top of the stack counts the number of instructions being executing on the microprocessor keeps the address of the next instruction to be fetched counts the number of programs being executing on the microprocessor 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 Arithmetic and logic operations can be directly performed with the I/O data Devices have 8-bit address line There can be maximum of 256 input devices and 256 output devices Devices are accessed using IN and OUT instructions Arithmetic and logic operations can be directly performed with the I/O data Devices have 8-bit address line There can be maximum of 256 input devices and 256 output devices ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In order to save accumulator value on the stack, which of the following instruction may be used PUSH SP PUSH A PUSH PSW POP PSW PUSH SP PUSH A PUSH PSW POP PSW ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The stack is nothing but a set of reserved I/O address space None of these reserved RAM address space reserved ROM address space reserved I/O address space None of these reserved RAM address space reserved ROM address space ANSWER DOWNLOAD EXAMIANS APP
Microprocessor During which T-state, contents of OP code from memory are loaded into IR (Instruction Register)? T1 OP code fetch T3 OP code fetch T2 OP code fetch T4 OP code fetch T1 OP code fetch T3 OP code fetch T2 OP code fetch T4 OP code fetch ANSWER DOWNLOAD EXAMIANS APP
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