The CPU nearly delays its operation for one memory cycle to allow direct memory I/O transfer. This process is called

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Question:
The CPU nearly delays its operation for one memory cycle to allow direct memory I/O transfer. This process is called

1.Burst transfer

2.Cycle waiting

3.Cycle stealing

4.Cycle interrupting

More MCQS Questions and answers

  1. #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 #6. 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)
  2. .Boolean functions expressed as a --------- of minterms or ---------- of maxterms are said to be in a canonical form.
  3. .Information transfer from one register to another is designated in symbolic form by means of
  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
  11. Given the characteristic table of a JK flip-flop find the missing output value. J K Q(t+1) 0 0 Q(t) 0 1 0 #1 0 1 #1 1 ---
  12. he gray code of a given binary number 1001 is
  13. he registers found in the processor unit are
  14. In which type of flip-flop the indeterminate condition of the SR flip-flop (when S=R=1) is eliminated?
  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
  19. Techniques that automatically move program and data blocks into the physical main memory when they are required for execution are calledVirtual Memory techniques
  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
  28. The processor ---------- and I/O Devices are interconnected by means of a common bus. #17. The processor ---------- and I/O Devices are interconnected by means of a common bus.Main Memory
  29. The processor _________ and I/O Devices are interconnected by means of a common bus. #49. The processor _________ and I/O Devices are interconnected by means of a common bus.
  30. The registers found in the processor unit are
  31. The set of physical addresses is called
  32. The simplest way to determine cache locations in which to store memory blocks is the
  33. The sum of -6 and -13 using 2?s complement addition is
  34. The transfer of new information into the register is called
  35. To convert octal code to binary code which of the following digital functions should be used?
  36. What are the building blocks of combinational circuits?Registers
  37. What are the building blocks of combinational circuits?Registers
  38. What are the major components of a CPU?
  39. What are the major components of a CPU?Control Unit Register Set Arithmetic Logic UnitControl Unit Memory Unit Arithmetic Logic Unit
  40. What are the missing values in the truth table of a half-adder given below? x y C S 0 0 -- -- 0 1 0 1 #1 0 0 1 #1 1 1 0
  41. What does T stands for in T flip-flop?
  42. What interface is used to connect the processor to I/O devices that require transmission of data one bit at a time?
  43. What is Q when S = 1 and R = 1 for SR flip-flop?Complement of previous output
  44. What is Q when S = 1 and R = 1 for SR flip-flop?Set to 1
  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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