Which of the following modes are used to handle data transfer to and from peripherals?

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Which of the following modes are used to handle data transfer to and from peripherals?

1.Programmed I/O

2.Programmed I/O

3.Interrupted-initiated I/O

4.Programmed I/O Interrupted-initiated I/O Direct memory access

Posted Date:-2021-10-04 11:49:36

More MCQS Questions and answers

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  2. .Information transfer from one register to another is designated in symbolic form by means of
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  4. 2?s complement of -13 = 11110011 Add the two numbers in their 2?s complement form including their sign bits and discard any carry out of the sign (leftmost) bit position. So the answer is 11101101 (-19). -6 11111010 -13 11110011 ------------------ -19 11101101 #38. Which one of the following CPU registers holds the address of the instructions (instructions in the program stored in memory) to be executed next?IR (Instruction Register)
  5. 64K memory contains how many words of 8 bits each?
  6. A combinational circuit that converts binary information from n input lines to a maximum of unique output lines is
  7. A full-adder is simply a connection of two half-adders joined by
  8. A full-adder is simply a connection of two half-adders joined by a
  9. Consider the following logic function f(ABC). f(ABC) = ( A + B + C?) . (A + B?+ C?) Which of the following would be the result if the above logic function is to be simplified using k-maps?
  10. Convert decimal value (888)10 to base-5.(444)5
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  12. he gray code of a given binary number 1001 is
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  15. In which type of flip-flop the indeterminate condition of the SR flip-flop (when S=R=1) is eliminated?T flip-flop
  16. Information transfer from one register to another is designated in symbolic form by means of a
  17. System Software usually includes a program called a -------- which helps the programmer find errors in a program.
  18. Techniques that automatically move program and data blocks into the physical main memory when they are required for execution are called
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  20. The bulk of the binary information in a digital computer is stored in memory but all computations are done in
  21. The control condition is terminated with
  22. The correspondence between the main memory blocks and those in the cache is specified by
  23. The correspondence between the main memory blocks and those in the cache is specified by aPage fault
  24. The CPU nearly delays its operation for one memory cycle to allow direct memory I/O transfer. This process is called
  25. The DMA transfer technique where transfer of one word data at a time is called
  26. The number of 256*4 RAM chips required to construct 2KB CACHE is
  27. The one major advantage of CMOS is its #34. The one major advantage of CMOS is itsHigh propagation delay
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  45. What is the name of device that is allowed to initiate data transfer on the bus?
  46. What is the purpose of RAID system?
  47. Which of the following modes are used to handle data transfer to and from peripherals?
  48. Which of the following representation requires the least number of bits to store the number +255?
  49. ystem Software usually includes a program called a _______ which helps the programmer to find errors in a program.
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