Microprocessor Program counter in a digital computer Counts the number of times the loops are executed. Counts the numbers of programs run in the machine. Points the memory address of the next instruction to be fetched. Counts the number of times a subroutine is called. Counts the number of times the loops are executed. Counts the numbers of programs run in the machine. Points the memory address of the next instruction to be fetched. Counts the number of times a subroutine is called. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which of the following instruction will never affect the zero flag? DCX Rp XRA R DCR R ORA R DCX Rp XRA R DCR R ORA R ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A sequence of two registers that multiplies the content of DE register pair by two and stores the result in HL register pair (in 8085 assembly language) is XTHL & DAD H PCHL & DAD D XCHG & DAD H XCHG & DAD B XTHL & DAD H PCHL & DAD D XCHG & DAD H XCHG & DAD B 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? 1, 2, 3 and 4 3 and 4 only 1, 2 and 3 1 and 2 only 1, 2, 3 and 4 3 and 4 only 1, 2 and 3 1 and 2 only ANSWER DOWNLOAD EXAMIANS APP
Microprocessor While INX B instruction execute, all flags will be affected only carry flag will be affected only carry and zero flags will be affected no flags will be affected all flags will be affected only carry flag will be affected only carry and zero flags will be affected no flags will be affected ANSWER DOWNLOAD EXAMIANS APP
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