Microprocessor Pick out the matching pair SID; SIM HOLD; DMA S0;S1;wait status READY; RIM SID; SIM HOLD; DMA S0;S1;wait status READY; RIM ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The first machine cycle of an instruction is always An I/O read cycle A memory write cycle A fetch cycle A memory read cycle An I/O read cycle A memory write cycle A fetch cycle A memory read cycle ANSWER DOWNLOAD EXAMIANS APP
Microprocessor For a memory with a 16-bit address space, the addressability is 2^16 bits Cannot be determined 8 bits 16 bits 2^16 bits Cannot be determined 8 bits 16 bits 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 The operating modes of 8255 A are called Mode 0, mode 2 and mode 3 Mode 0, mode 1 and mode 2 Mode 0 and mode 2 Mode 0 and mode 1 Mode 0, mode 2 and mode 3 Mode 0, mode 1 and mode 2 Mode 0 and mode 2 Mode 0 and mode 1 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor HLDA signal in 8085 performs the following operation: Indicates that the CPU has not received the HOLD request. Hold the data in the accumulator until the microprocessor is turned OFF. Indicates that another master is requesting the use of the address and data buses. Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. Indicates that the CPU has not received the HOLD request. Hold the data in the accumulator until the microprocessor is turned OFF. Indicates that another master is requesting the use of the address and data buses. Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. ANSWER DOWNLOAD EXAMIANS APP
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