Microprocessor What is the size (in bytes) of Prefetch queue in 8086? 3. 4. 2. 6. 3. 4. 2. 6. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The program counter in a 8085 micro-processor is a 16-bit register, because 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 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 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 microprocessor system with memory mapped I/O, which of the following is true? Devices are accessed using IN and OUT instructions Arithmetic and logic operations can be directly performed with the I/O data There can be maximum of 256 input devices and 256 output devices Devices have 8-bit address line Devices are accessed using IN and OUT instructions Arithmetic and logic operations can be directly performed with the I/O data There can be maximum of 256 input devices and 256 output devices Devices have 8-bit address line ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Each instruction in an assembly language program has the following fields 1. Label field 2. Mnemonic field 3. Operand field 4. Comment field What are the correct sequence of these fields? 2, 1, 4 and 3 1, 3, 2 and 4 2, 4, 1 and 3 1, 2, 3 and 4 2, 1, 4 and 3 1, 3, 2 and 4 2, 4, 1 and 3 1, 2, 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Assuming LSB is at position 0 and MSB at position 7, which bit positions are not used (Undefined) in flag register of an 8085 microprocessor? 1, 2, 5 1, 3, 5 1, 3, 4 2, 3, 5 1, 2, 5 1, 3, 5 1, 3, 4 2, 3, 5 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Total number of modes the 8253 can work 4 6 8 12 4 6 8 12 ANSWER DOWNLOAD EXAMIANS APP
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