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 How can we make any bit of a register “1”? OR that bit with “1” and remaining bits with “0”. AND that bit with “1” and remaining bits with “0”. AND that bit with “0” and remaining bits with “1”. OR that bit with “0” and remaining bits with “1”. OR that bit with “1” and remaining bits with “0”. AND that bit with “1” and remaining bits with “0”. AND that bit with “0” and remaining bits with “1”. OR that bit with “0” and remaining bits with “1”. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The 8085 microprocessor uses a crystal of frequency 6.25 Mhz. The T-state value is 1280ns 320ns 960ns 640ns 1280ns 320ns 960ns 640ns ANSWER DOWNLOAD EXAMIANS APP
Microprocessor HLDA signal in 8085 performs the following operation: Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. Indicates that another master is requesting the use of the address and data buses. Hold the data in the accumulator until the microprocessor is turned OFF. Indicates that the CPU has not received the HOLD request. Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. Indicates that another master is requesting the use of the address and data buses. Hold the data in the accumulator until the microprocessor is turned OFF. Indicates that the CPU has not received the HOLD request. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor An I/O processor controls the flow of information between Main memory and I/O devices Two I/O devices Cache memory and I/O devices Cache and main memory Main memory and I/O devices Two I/O devices Cache memory and I/O devices Cache and main memory ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Maximum of how many devices can be connected simultaneously to the microprocessor via 8257 in DMA data transfer mode? 4 8 10 6 4 8 10 6 ANSWER DOWNLOAD EXAMIANS APP