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, 4, 1 and 3 1, 2, 3 and 4 1, 3, 2 and 4 2, 1, 4 and 3 2, 4, 1 and 3 1, 2, 3 and 4 1, 3, 2 and 4 2, 1, 4 and 3 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In a microcomputer , the address of memory locations are binary numbers that identify each memory circuit where a byte is stored. If a microcomputer uses 20-bit address, then numbers of different memory locations are 20 220-1 220 220 - 1 20 220-1 220 220 - 1 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The output data lines of microprocessor and memories are usually tristated because The data line can be multiplexed for both input and output More than one device can transmit information over the data bus by enabling only one device at a time More than one device can transmit over the data bus at the same time It increases the speed of data transfer over the data bus The data line can be multiplexed for both input and output More than one device can transmit information over the data bus by enabling only one device at a time More than one device can transmit over the data bus at the same time It increases the speed of data transfer over the data bus ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following ICs is used to interface keyboard and display? 8253 8259 8279 8251 8253 8259 8279 8251 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor While CMP B instruction executes, only carry flag will be affected. only carry and zero flags will be affected. no flags will be affected. all flags will be affected. only carry flag will be affected. only carry and zero flags will be affected. no flags will be affected. all flags will be affected. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which of the following instruction will never affect the zero flag? DCR R XRA R DCX Rp ORA R DCR R XRA R DCX Rp ORA R ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS