Microprocessor During the execution of the instruction, the ________tests the status and control flags and updates them based on the results of executing the instruction. None of these Bus Interface Unit (BIU) Execution Unit (EU) Both ‘c’ and ‘d’ None of these Bus Interface Unit (BIU) Execution Unit (EU) Both ‘c’ and ‘d’ ANSWER DOWNLOAD EXAMIANS APP
Microprocessor If m is a power of 2, the number of select lines required for an m-input mux is: 2*m 2^m log2 (m) m 2*m 2^m log2 (m) m 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 can be interrupted by a non-mask able interrupt the microprocessor cannot be interrupted by any interrupt the microprocessor cannot be interrupted by any mask able interrupt all interrupts except non-maskable interrupt are disabled the microprocessor can be interrupted by a non-mask able interrupt the microprocessor cannot be interrupted by any interrupt the microprocessor cannot be interrupted by any mask able interrupt ANSWER DOWNLOAD EXAMIANS APP
Microprocessor While using a frequency counter for measuring frequency, two modes of measurement are possible: Period time Frequency mode There is a ‘cross-over frequency’ below which the period mode is preferred. Assuming the crystal oscillator frequency to be 4MHz, the crossover frequency is given by 1Khz. 2 Mhz. 2 Khz. 8 Mhz. 1Khz. 2 Mhz. 2 Khz. 8 Mhz. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8086 the number of bytes which can be addressed directly is about 100000 1000 one million 10000 100000 1000 one million 10000 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The multiplexing of address bus and data buses is used in none of these. all the microprocessors. never multiplexed. depends on the internal architecture. none of these. all the microprocessors. never multiplexed. depends on the internal architecture. ANSWER DOWNLOAD EXAMIANS APP