Microprocessors And Microcontrollers - Study Mode
[#161] In the 8086 instruction ADD DX, [BX][CI], the addressing mode of source operand is
Correct Answer
(C) Based indexed
[#162] Which of the following is not true for a counter instruction in PLC?
Correct Answer
(D) All of these
[#163] In 8051, the accumulator register contains 80H and B register contains 8FH. The content of the accumulator and status of the carry flag after the addition operation are respectively,
Correct Answer
(A) 0FH, 1
[#164] Calculate the size of memory address space for a 16 bit data and 20 bit address bus.
Correct Answer
(A) 1 MB
[#165] The 8086 arithmetic instructions work on 1. signed and unsigned numbers 2. ASCII data 3. unpacked BCD data Select the correct answer using the options given below:
Correct Answer
(C) 1 and 3