Microprocessor The word size of 8085 microprocessor is 16-bit 4-bit 20-bit 8-bit 16-bit 4-bit 20-bit 8-bit 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 PCHL & DAD D XTHL & DAD H XCHG & DAD B XCHG & DAD H PCHL & DAD D XTHL & DAD H XCHG & DAD B XCHG & DAD H ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Consider the following registers: 1. Accumulator and flag register 2. B and C register 3. D and E register 4. H and L register Which of these 8-bit registers of 8085 microprocessor can be paired together to make a 16-bit register? 1, 2 and 4 2, 3 and 4 1, 2 and 3 1, 3 and 4 1, 2 and 4 2, 3 and 4 1, 2 and 3 1, 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The program counter in a 8085 micro-processor is a 16-bit register, because It facilitates the user storing 16-bit data temporarily It has to fetch two 8-bit data at a time There are 16 address lines It counts 16-bits at a time It facilitates the user storing 16-bit data temporarily It has to fetch two 8-bit data at a time There are 16 address lines It counts 16-bits at a time ANSWER DOWNLOAD EXAMIANS APP
Microprocessor At the beginning of a fetch cycle, the contents of the program counter are transferred to address bus. transferred to memory address register . transferred to memory data register. incremented by one. transferred to address bus. transferred to memory address register . transferred to memory data register. incremented by one. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor How can we make any bit of a register “1”? AND that bit with “1” and remaining bits with “0”. OR that bit with “1” and remaining bits with “0”. OR that bit with “0” and remaining bits with “1”. AND that bit with “0” and remaining bits with “1”. AND that bit with “1” and remaining bits with “0”. OR that bit with “1” and remaining bits with “0”. OR that bit with “0” and remaining bits with “1”. AND that bit with “0” and remaining bits with “1”. ANSWER DOWNLOAD EXAMIANS APP
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