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, 3 and 4 1, 2 and 3 1 and 2 only 3 and 4 only 1, 2, 3 and 4 1, 2 and 3 1 and 2 only 3 and 4 only ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The operating modes of 8255 A are called Mode 0 and mode 1 Mode 0 and mode 2 Mode 0, mode 2 and mode 3 Mode 0, mode 1 and mode 2 Mode 0 and mode 1 Mode 0 and mode 2 Mode 0, mode 2 and mode 3 Mode 0, mode 1 and mode 2 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor How can we make any bit of a register “1”? AND that bit with “1” and remaining bits with “0”. AND that bit with “0” and remaining bits with “1”. OR that bit with “0” and remaining bits with “1”. OR that bit with “1” and remaining bits with “0”. AND that bit with “1” and remaining bits with “0”. AND that bit with “0” and remaining bits with “1”. OR that bit with “0” and remaining bits with “1”. OR that bit with “1” and remaining bits with “0”. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor If m is a power of 2, the number of select lines required for an m-input mux is: m 2*m 2^m log2 (m) m 2*m 2^m log2 (m) ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Each instruction in assembly language program has the following fields:Lable fieldMnemonic fieldOperand fieldComment fieldThe correct sequence of these fields is? 2, 1, 3, 4 1, 2, 3, 4 1, 2, 4, 3 2, 1, 4, 3 2, 1, 3, 4 1, 2, 3, 4 1, 2, 4, 3 2, 1, 4, 3 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Number of Hex digits needed to represent the 20-bit address of a memory location are 4 16 5 20 4 16 5 20 ANSWER DOWNLOAD EXAMIANS APP
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