Quiz a lot 3- Computer Science & Information Technology - Introduction To Computer Science

1

Kevin edits a digital photograph. If Kevin uses an image editing program for this purpose, the program will use the arithmetic/logic unit, with help from the _____ when needed, using only arithmetic and logical operations.

2

Optical discs use these to represent data.

3

What is the value of X after the instructions corresponding to the following pseudocode are executed?

4

Write a function to make lighter the left side of a picture, and turn the right side into a grayscale.

5

A(n) ____________________ chart is a tool that identifies and categorizes each item needed within the method as pertaining to input, processing, or output.

6

Which of the following is an example of an infinite loop?

7

In Firefox, to open the Web console go to: _______>_______>_______

8

List five questions you should ask yourself while debugging?

9

You can use the drag-and-drop method to move a slide to a new location.

10

Lucy enters large amounts of numerical and text data into every cell in a worksheet. She has to keep clicking the previous cells to refer to data in other cells. Which of the following would make it easier for Lucy to view the contents of all cells simultaneously?

11

In the ________ database, data elements are stored in different tables, each of which consists of rows and columns.

12

The location where a data item is to be inserted is called the _____.

13

In a selection sort, the first step is to move the smallest value in the array to element 0 in order to sort the array in __________ order.

14

A computer-based file containing employee information would be represented on a data-flow diagram as a(n):

15

Abdul has been working on a worksheet at a stockbroking firm. Data in this sheet is updated on a daily basis. He adds a new column as the third column of the sheet to accommodate the different aspects of his analysis.Which of the following changes will occur when Abdul adds the new column?

16

A circular, rigid storage medium that is typically made of aluminum or glass and coated with metallic particles is a(n) ____.

17

A common set of rules or ____, must be followed by network devices to communicate to each other. bandwithbandwith

18

Explain in detail why you might choose to create a spreadsheet of different time zones of your friends when you could have just looked up their time zone information each time on an appropriate website.

19

A data member that is private

20

To create a table, click the:

21

In the accompanying image of Microsoft Excel 2016, box "A" points to a(n) _____. <img alt="" src="https://sciemce.com/files/3/ppg__cognero__Chapter_16_Inserting_and_Formatting_Charts__media__ed53965d-9b3b-4609-be8c-ab2b8c641800.PNG" />

22

A motion clip is animated clip art.

23

Which of the following is an example of hardware?

24

In an If-Then-Else statement, the Else clause marks the beginning of the statements to be executed when the Boolean expression is __________.

25

Which statement exemplifies abstraction?

26

You can tap the ALT + SHIFT + F keys to open the Format Cells dialog box.

27

____________________ code consists of 1s and 0s that can be directly executed by the computer.

28

In Java, an ArithmeticException is a type of ____.

29

Enter the esp2.html text into a new Web page, then load the page in the browser to verify that it behaves as described.

```
<!doctype html>




<html>
<head>
<title> ESP Test </title>
<script type="text/javascript">
function PickNumber(guess)
// Assumes: guess is the user's guess (between 1 and 5)
// Results: displays a random number between 1 and 5 in outputDiv
{
var number;

number = Math.ceil(Math.random()*5);
document.getElementById('outputDiv').innerHTML =
'You guessed ' + guess + '. My number was ' + number +
'. Were you correct?';
}
</script>
</head>

<body>
<div style="text-align:center">
<h2>ESP Test</h2>
<p>
Think of a number between 1 and 5, then click the button to see if you were right.
</p>
<input type="button" value="Guess 1" onclick="PickNumber(1);">
<input type="button" value="Guess 2" onclick="PickNumber(2);">
<input type="button" value="Guess 3" onclick="PickNumber(3);">
<input type="button" value="Guess 4" onclick="PickNumber(4);">
<input type="button" value="Guess 5" onclick="PickNumber(5);">
<hr>
<div id="outputDiv"></div>
</div>
</body>
</html>

------

You would expect to guess correctly 4 out of 20 times. Any more than that is just random chance.

```

30

Steve, a senior architect, has to design a work environment for the people who work in the office, including properly adjusting furniture and hardware. Which of the following should Steve make use of to set up a safe and effective workspace?

31

The instructions written in software are followed or executed by _______.

32

Refining is the technical method used to carry out electronic censorship by blocking Web sites, blogs, forums, or other Internet content from reaching certain audiences.

33

A mouse is an example of a(n) pointing device.

34

The starting value of an algorithm used to generate a range of numbers is called the _________.

35

Variables and constants declared within a method are ____ only within that method.

36

Web pages in the browser cache are a sort of record of your activities on the Web.

37

A _____ indicates the cell's column and row location.

38

MC To access a class attribute of a class where no objects exist, the programmer must______ .

39

Using formulas is a basic part of Microsoft Excel. Please describe a formula and a cell reference and how they interact.

40

Classes enable programmers to model objects that have ___________ (represented as data members) and behaviors (represented as )_______.

41

A(n) processor's performance is affected by several factors, including processing techniques and word size.

42

Discuss the advantages of using a computer model over a physical model.

43

Answer the following statements true (T) or false (F)

44

Case-Based Critical Thinking QuestionsCase 1You have just starting working at Quantum Company. As a new programmer, you have been asked to review and correct various pseudocode.The following pseudocode checks if an item number is valid:start Declarations num sub = 0 num SIZE = 5 num VALID_ITEM [5] = 27,53,84,89,95 string foundIt = "N" input item while sub < SIZE if item = VALID_ITEM[sub] then foundIt = "Y" endif sub = sub +1 endwhile if foundIt = "Y" then output "Valid item number" else output "Invalid item number" endif stopWhich while loop makes this more efficient?