LOOP Statement MCQ

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• The FOR loop is not synthesizable if it contains ______ statement.
  ক

  WHEN

  খ

  THEN

  গ

  WAIT

  ঘ

  IF
• A WHILE loop is more flexible than FOR loop.
  ক

  True

  খ

  False
• On what side of the assignment statement, one can use a loop index?
  ক

  Left

  খ

  Right

  গ

  Left or Right

  ঘ

  Loop index can’t be used in an assignment
• What is the use of EXIT statement in a loop?
  ক

  For skipping one execution

  খ

  For repeating one statement in the loop

  গ

  For ending the condition and creating infinite loop

  ঘ

  For ending the loop
• All types of FOR loops are synthesizable.
  ক

  True

  খ

  False
• A FOR loop is inside a WHILE loop. Inside the FOR loop, the EXIT statement is used in such a way that after 4 iterations, it will execute. After the execution of EXIT statement, the control will be passed ________
  ক

  Outside the FOR loop

  খ

  Outside the WHILE loop

  গ

  At the next iteration of WHILE loop

  ঘ

  At the next iteration of FOR loop
• Where do we declare the loop index of a FOR LOOP?
  ক

  Entity

  খ

  Architecture

  গ

  Library

  ঘ

  It doesn’t have to be declared
• FOR loop uses a loop index, the type of loop index is _________
  ক

  STD_LOGIC_VECTOR

  খ

  BIT_VECTOR

  গ

  INTEGER

  ঘ

  REAL
• The correct syntax for using EXIT in a loop is ___________
  ক

  EXIT loop_label WHEN condition;

  খ

  EXIT WHEN condition loop_label;

  গ

  loop_label WHEN condition EXIT

  ঘ

  EXIT WHEN loop_label condition
• It is not possible to write an infinite loop in VHDL.
  ক

  True

  খ

  False
• What is the syntax to use the NEXT statement?
  ক

  NEXT condition loop_label

  খ

  NEXT loop_label WHEN condition

  গ

  loop_label NEXT WHEN condition

  ঘ

  loop_label NEXT condition
• What does the next statement in loops do?
  ক

  Skips the current iteration

  খ

  Starts the next loop by ending the current

  গ

  Exits the loop

  ঘ

  Skips the next line of the loop
• What is the use of WHILE loop?
  ক

  To repeat the statement finite number of times

  খ

  To repeat the statement until any condition holds true

  গ

  To repeat the statements for infinite time

  ঘ

  To repeat statements inside until any condition is false
• What is the use of FOR loop?
  ক

  To repeat the statement finite number of times

  খ

  To repeat the statement until any condition holds true

  গ

  To repeat the statements for infinite time

  ঘ

  To repeat statements inside until any condition is false
• How many styles of loop statement does the VHDL have?
  ক

  2

  খ

  3

  গ

  4

  ঘ

  5
• Loop is a ________ statement.
  ক

  Concurrent

  খ

  Sequential

  গ

  Assignment

  ঘ

  Functional
• A loop statement is used where we needs to ________
  ক

  Select one from many choices

  খ

  Check a condition

  গ

  Repeat the statements

  ঘ

  Choose one from two cases