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Mod 11 Tech + Flashcards

1
Q

What is the main advantage of using bytecode?

A

It can run on any computer with a runtime engine

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2
Q

What should be done before starting to code a program?

A

Decide what the program should do.

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3
Q

What is the result of the expression !True?

A

False

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4
Q

How is an array and vector different

A

An array has a fixed size, while a vector can change size dynamically

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5
Q

What does the term “syntax” refer to in computer programming?

A

The rules for how to write the language.

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6
Q

Which of the following is NOT a programming language?

A

HTML

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7
Q

What is the main purpose of query languages?

A

To get information from databases

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8
Q

What is the main purpose of pseudocode?

A

To describe what the code will do using plain language

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9
Q

What does a diamond shape in a flowchart indicate?

A

A decision point

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10
Q

What keyword is used in pseudocode to represent a loop with a condition at its beginning?

A

While

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11
Q

What is a binary executable file?

A

A file that can be directly executed by the computer’s processor

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12
Q

Why is code written in assembly language more efficient?

A

It allows direct access to hardware.

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13
Q

What is sequential flow in a program?

A

Code that runs in the order it is written

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14
Q

Which number type is similar to a float but can store larger and more precise numbers?

A

Double

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15
Q

What do you put inside the parentheses when using a function?

A

The arguments or values the function needs to process

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16
Q

What is a container in programming?

A

A set of values held by an identifier

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17
Q

Which number type would you use for precise financial calculations?

A

Fixed-point

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18
Q

If condition A is True and condition B is False, what does the OR operation return?

A

True

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19
Q

Which of the following is an example of a character variable?

A

‘7’

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20
Q

What happens when the condition in a While loop is no longer met?

A

The loop stops running.

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21
Q

What is the purpose of adding comments to your code?

A

To explain what each part of the code does

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22
Q

What is object-oriented programming (OOP)?

A

A way to model real-world objects in computer code.

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23
Q

LAB

A
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24
Q

What is debugging?

A

Fixing mistakes in code

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25
Which Boolean operation returns True only if both conditions are True?
AND
26
What is the role of a query in a database search?
To search the database and find matching records
27
Why are interpreted languages slower than compiled languages?
They translate the code into machine language as it runs
28
What is a runtime engine?
29
What is branching in computer programming?
A method to execute a different sequence of instructions based on a condition
30
What is an escape character used for in a string?
To include special characters in the output
31
Why is understanding the code important for debugging?
To know what each part is supposed to do
32
Which programming languages support object-oriented programming (OOP)?
C++ and Python
33
Which type of loop runs a specific number of times?
For loop
34
LAB
35
Why is the planning process important in programming?
It ensures a well-though-out program
36
What is an array?
A special type of variable that holds many values at once
37
Which of the following is an example of a floating-point number?
8.02
38
Which of the following is a loop with a condition at its ending?
Repeat-until
39
What is encapsulation in object-oriented programming (OOP)?
The technique of keeping variables secure inside a class.
40
What does the relational operator != mean?
Is not equal to
41
Why do programmers need to spend a lot of time debugging?
They make misakes
42
What is a function in programming?
A piece of code that does one specific job
43
What is a class in object-oriented programming (OOP)?
A blueprint or template for creating objects.
44
A blueprint or template for creating objects.
To convert the code into machine language
45
To convert the code into machine language
Because they are not part of the executable code
46
Which symbol is used to show the logical flow of the program in a flowchart?
Arrow
47
Which type of loop keeps running as long as a certain condition is met?
While loop
48
What is the main purpose of a flowchart in programming?
To show the flow (sequence) of logic in a program
49
In what areas is assembly language still used today?
Specialized areas
50
What is a disadvantage of compiled programs?
They need to be rewritten and recompiled for different platforms
51
What is a programming language?
A set of instructions programmers use to write code.
52
What does it mean for an array to be multidimensional?
It can hold arrays within arrays.
53
What is another term for interpreted languages?
Scripting languages
54
What does the computer do after finding the records that match your search?
It organizes them into a nice-looking report
55
LAB
56
LAB
57
What are properties in a class?
Attributes that objects can have.
58
Which of the following is an example of a string?
Hello World
59
What is assembly language?
A low-level programming language
60
What is a variable in a computer program?
A container that holds data for use later
61
What is a loop in programming?
A sequence of instructions that is executed repeatedly.
62
What happens when you enter a number as a character?
You cannot perform math operations with it.
63
What helps programmers interact with and analyze how the program behaves?
Debugging Tools
64
What does a conditional flow use to make decisions in a program?
If-then-else statements
65
What is the first step in fixing errors in code?
Finding and repeating the problem
66
What does SQL stand for?
Structured Query Language
67
In a flowchart, what does a parallelogram represent?
Input or output
68
What is an object in object-oriented programming (OOP)?
A specific model built from a class.
69
What is a character in programming?
A single letter, symbol, or number
70
What type of value can a Boolean variable store?
True or False
71
What type of language adds tags to text?
Markup language
72
What is a constant in a computer program?
A value that never changes
73
What is the purpose of using functions in programming?
To avoid repeating the same code
74
What is a function call in programming?
What is a function call in programming?
75
Who created the first computer program?
Ada Lovelace
76
Which symbol represents the Logical AND operation in pseudocode?
&&
77
What is the main purpose of adding comments to a program?
To explain different parts of the program
78
Which of the following is a string?
Hello World
79
What is bytecode?
A low-level language that is interpreted by a runtime engine
80
What does an array store?
A collection of variables of the same type
81
What is the process of making a compiled program work on different platforms called?
Porting
82
What is one advantage of interpreted languages?
They are platform-independent.
83
LAB
84
In pseudocode, what does the symbol || represent?
Logical OR
85
What does the XOR operation return if both conditions are True?
False
86
Which of the following lists two interpreted languages?
JavaScript and Ruby
87
Which of the following is an example of an integer?
23
88
What is an interpreted language?
A language that runs instructions in the source code whenever you run the application
89
What is an integer in programming?
A whole number, either positive or negative, without a decimal or fraction.
90
What does a function return after it runs?
A vaule
91
What type of variable is used to store the value True or False?
Boolean
92
Why are compiled languages often used for resource-intensive programs like high-end video games?
Because they run quickly and efficiently
93
What makes it easier for humans to read and write instructions for computers?
Programming languages
94
Why are arrays useful?
They can be used in loops to go through values one by one
95
What is a floating-point number?
A number that can have decimal fractions
96
Why do modern developers not work directly with machine language?
It is very hard to understand.
97
What does the NOT operation do to a condition?
Inverts it
98
What is a loop in programming?
A statement that runs code repeatedly

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