Computer And Information Technology: Quiz!

20 Questions | By Lancerabago | Updated: Mar 22, 2022 | Attempts: 656

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Computer And Information Technology: Quiz! - Quiz

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1.

The structure that allows you to write one set of instructions that operates on multiple, separate sets of data is the _____.
- A.
  
  Loop
- B.
  
  Sequence
- C.
  
  Selection
- D.
  
  Case
2.

Every structured loop _____.
- A.
  
  Has one entry point
- B.
  
  Has two exit points
- C.
  
  Refers to a counter that increases on each pass through the loop
- D.
  
  Contains a body that must execute at least one time
3.

Which of the following is not a step that must occur with every correctly working loop?
- A.
  
  Set the loop control value equal to a sentinel during each iteration.
- B.
  
  Initialize a loop control variable before the loop starts.
- C.
  
  Compare the loop control value to a sentinel during each iteration.
- D.
  
  Alter the loop control variable during each iteration.
4.

The statements executed within a loop are known collectively as the _____.
- A.
  
  Loop body
- B.
  
  Loop controls
- C.
  
  Sequences
- D.
  
  Sentinels
5.

A counter keeps track of _____.
- A.
  
  The number of times an event has occurred
- B.
  
  The number of machine cycles required by a segment of a program
- C.
  
  The number of loop structures within a program
- D.
  
  The number of times software has been revised
6.

Adding 1 to a variable is also called _____ it.
- A.
  
  Incrementing
- B.
  
  Decrementing
- C.
  
  Resetting
- D.
  
  Digesting
7.

Which of the following is an indefinite loop?
- A.
  
  A loop that follows a prompt that asks a user how many repetitions to make and uses that value to control the loop
- B.
  
  A loop that executes exactly 10 times
- C.
  
  Both of the above
- D.
  
  None of the above
8.

Which of the following is a definite loop?
- A.
  
  A loop that executes 1000 times
- B.
  
  A loop that executes as long as a user continues to enter valid data
- C.
  
  Both of the above
- D.
  
  None of the above
9.

When you decrement a variable, you _____.
- A.
  
  Subtract 1 from it
- B.
  
  Set it to 0
- C.
  
  Reduce it by one-tenth
- D.
  
  Remove it from a program
10.

When two loops are nested, the loop that is contained by the other is the _____ loop.
- A.
  
  Inner
- B.
  
  Captive
- C.
  
  Unstructured
- D.
  
  Outer
11.

When loops are nested, _____.
- A.
  
  None of the above
- B.
  
  Both must be the same type—definite or indefinite
- C.
  
  One must end before the other begins
- D.
  
  They typically share a loop control variable
12.

The chief advantage to using a for loop is _____.
- A.
  
  Its syntax is concise
- B.
  
  Infinite loops are prevented
- C.
  
  Unlike a while loop, a for loop can be nested
- D.
  
  Unlike a while loops, a for loop can have multiple entry and exit points
13.

A report that lists only totals, with no details about individual records, is a(n) _____ report.
- A.
  
  Summary
- B.
  
  Accumulator
- C.
  
  Final
- D.
  
  Detailless
14.

Typically, the value added to a counter variable is _____.
- A.
  
  1
- B.
  
  0
- C.
  
  10
- D.
  
  100
15.

Typically, the value added to an accumulator variable is _____.
- A.
  
  Different in each iteration
- B.
  
  The same for each iteration
- C.
  
  1
- D.
  
  0
16.

After an accumulator or counter variable is displayed at the end of a program, it is best to _____.
- A.
  
  None of the above
- B.
  
  Subtract 1 from the variable
- C.
  
  Reset the variable to 0
- D.
  
  Delete the variable from the program
17.

When you _____, you make sure data items are the correct type and fall within the correct range.
- A.
  
  Validate data
- B.
  
  Employ offensive programming
- C.
  
  Use object orientation
- D.
  
  Count loop iterations
18.

Overriding a user’s entered value by setting it to a predetermined value is known as ______.
- A.
  
  Forcing
- B.
  
  Accumulating
- C.
  
  Validating
- D.
  
  Pushing
19.

To ensure that a user’s entry is the correct data type, frequently you ______.
- A.
  
  Use a method built into the programming language
- B.
  
  Prompt the user to verify that the type is correct
- C.
  
  Include a statement at the beginning of the program that lists the data types allowed
- D.
  
  All of the above
20.

Variables might hold incorrect values even when they are _____.
- A.
  
  All of the above
- B.
  
  Coded by the programmer rather than input by a user
- C.
  
  Within a required range
- D.
  
  The correct data type