Microprocessor Number of Hex digits needed to represent the 20-bit address of a memory location are 20 16 5 4 20 16 5 4 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Consider the following statements: Arithmetic Logic Unit (ALU) 1.Performs arithmetic operations 2.Performs comparisons. 3.Communicates with I/O devices 4.Keeps watch on the system Which of these statements are correct? 1, 2 and 3 3 and 4 only 1, 2, 3 and 4 1 and 2 only 1, 2 and 3 3 and 4 only 1, 2, 3 and 4 1 and 2 only ANSWER DOWNLOAD EXAMIANS APP
Microprocessor After RESET 8255 will be in mode 2 unchanged condition mode 0; all ports are input mode 0; all ports are output mode 2 unchanged condition mode 0; all ports are input mode 0; all ports are output ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Identify the non-programmable interfacing device from the following 8255. 8212. 8257. 8295. 8255. 8212. 8257. 8295. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Let the content of accumulator and register B be 0000 0100 and 0100 0000 respectively before execution of instruction SUB B. The content of accumulator after the execution of this instruction will be 010001000 01000000 00000100 11000100 010001000 01000000 00000100 11000100 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The relation among IC (Instruction Cycle), FC (Fetch cycle) and EC (Execute Cycle) is IC = FC + 2EC EC = IC + FC IC = FC + EC IC = FC - EC IC = FC + 2EC EC = IC + FC IC = FC + EC IC = FC - EC ANSWER DOWNLOAD EXAMIANS APP
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