Microprocessor In one’s complement 8 bit representation 11111111 represents +0 -1 -0 1 +0 -1 -0 1 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, 3 and 4 1, 2 and 3 1, 2 and 4 2, 3 and 4 1, 3 and 4 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8086 the number of bytes which can be addressed directly is about 10000 100000 1000 one million 10000 100000 1000 one million ANSWER DOWNLOAD EXAMIANS APP
Microprocessor How can we make any bit of a register “1”? AND that bit with “0” and remaining bits with “1”. OR that bit with “1” and remaining bits with “0”. OR that bit with “0” and remaining bits with “1”. AND that bit with “1” and remaining bits with “0”. AND that bit with “0” and remaining bits with “1”. OR that bit with “1” and remaining bits with “0”. OR that bit with “0” and remaining bits with “1”. AND that bit with “1” and remaining bits with “0”. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which of the following is not true during the execution of an interrupt service routine, which does not contain any EI instructions all interrupts except non-maskable interrupt are disabled the microprocessor cannot be interrupted by any mask able interrupt the microprocessor can be interrupted by a non-mask able interrupt the microprocessor cannot be interrupted by any interrupt all interrupts except non-maskable interrupt are disabled the microprocessor cannot be interrupted by any mask able interrupt the microprocessor can be interrupted by a non-mask able interrupt the microprocessor cannot be interrupted by any interrupt ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The length of bus cycle in 8086/8088 is four clock cycles, T1, T2, T3, T4 and an indeterminate number of wait state clock cycles denoted by Tw. The wait states are always inserted between T4 & T1 T2 & T3 T1 & T2 T3 & T4 T4 & T1 T2 & T3 T1 & T2 T3 & T4 ANSWER DOWNLOAD EXAMIANS APP
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