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WorksheetsComputer Science I 2022-2023
Total questions: 102
Worksheet time: 51mins
Name
Class
Date
1.
The four major components of a computer system are
(a)
2.
Name and explain the function of one of the four major components of a computer system.
4 lines
3.
A way of representing information using only two options.
a)
Overflow Error
b)
Binary
c)
Byte
d)
Bit
4.
A contraction of "Binary Digit"; the single unit of information in a computer, typically represented as a 0 or 1
a)
Bit
b)
Overflow Error
c)
Binary
d)
Byte
5.
8 bits
a)
Overflow Error
b)
Bit
c)
Byte
d)
Overflow Error
6.
Error from attempting to represent a number that is too large.
a)
Byte
b)
Overflow Error
c)
Bit
d)
Binary
7.
Error from attempting to represent a number that is too precise. The value is rounded.
a)
Digital Data
b)
Analog Data
c)
Sampling
d)
Round-off Error
8.
Data with values that change continuously, or smoothly, over time. Some examples of analog data include music, colors of a painting, or position of a sprinter during a race.
a)
Analog Data
b)
Round-off Error
c)
Overflow Error
d)
Sampling
9.
Data that changes discretely through a finite set of possible values
a)
Round-off Error
b)
Sampling
c)
Digital Data
d)
Analog Data
10.
A process for creating a digital representation of analog data by measuring the analog data at regular intervals called samples.
a)
Digital Data
b)
Round-off Error
c)
Analog Data
d)
Sampling
11.
A process for reducing the number of bits needed to represent something without losing any information. This process is reversible.
a)
Intellectual Property
b)
Lossless Compression
c)
Creative Commons
d)
Lossy Compression
12.
A process for reducing the number of bits needed to represent something in which some information is lost or thrown away. This process is not reversible.
a)
Creative Commons
b)
Intellectual Property
c)
Lossless Compression
d)
Lossy Compression
13.
A work or invention that is the result of creativity, such as a piece of writing or a design, to which one has rights and for which one may apply for a patent, copyright, trademark, etc.
a)
Lossless Compression
b)
Lossy Compression
c)
Intellectual Property
d)
Creative Commons
14.
A collection of public copyright licenses that enable the free distribution of an otherwise copyrighted work, used when an author wants to give people the right to share, use, and build upon a work that they have created
a)
Creative Commons
b)
Intellectual Property
c)
Lossless Compression
d)
Lossy Compression
15.
a machine that can run a program, including computers, tablets, servers, routers, and smart sensors
a)
Computing Network
b)
Computing Device
c)
Bandwidth
d)
Computing System
16.
a group of computing devices and programs working together for a common purpose
a)
Computing System
b)
Path
c)
Computing Device
d)
Computing Network
17.
a group of interconnected computing devices capable of sending or receiving data.
a)
Computing Device
b)
Bandwidth
c)
Computing Network
d)
Path
18.
the series of connections between computing devices on a network starting with a sender and ending with a receiver.
a)
Computing System
b)
Path
c)
Computing Network
d)
Bandwidth
19.
the maximum amount of data that can be sent in a fixed amount of time, usually measured in bits per second.
a)
Path
b)
Computing System
c)
Computing Device
d)
Bandwidth
20.
An agreed-upon set of rules that specify the behavior of some system
a)
Protocol
b)
IP Address
c)
Internet Protocol (IP)
d)
Router
21.
The unique number assigned to each device on the Internet.
a)
Internet Protocol (IP)
b)
Protocol
c)
IP Address
d)
Router
22.
a protocol for sending data across the Internet that assigns unique numbers (IP addresses) to each connected device
a)
IP Address
b)
Router
c)
Protocol
d)
Internet Protocol (IP)
23.
A type of computer that forwards data across a network
a)
Protocol
b)
Router
c)
IP Address
d)
Internet Protocol (IP)
24.
A chunk of data sent over a network. Larger messages are divided into packets that may arrive at the destination in order, out-of-order, or not at all.
a)
Redundancy
b)
HTTP
c)
Fault Tolerant
d)
Packet
25.
the inclusion of extra components so that a system can continue to work even if individual components fail, for example by having more than one path between any two connected devices in a network.
a)
Packet
b)
Fault Tolerant
c)
Redundancy
d)
HTTP
26.
Can continue to function even in the event of individual component failures. This is important because elements of complex systems like a computer network fail at unexpected times, often in groups.
a)
Fault Tolerant
b)
Packet
c)
HTTP
d)
Redundancy
27.
HyperText Transfer Protocol - the protocol used for transmitting web pages over the Internet
a)
Fault Tolerant
b)
Redundancy
c)
Packet
d)
HTTP
28.
a computer network consisting of interconnected networks that use standardized, open (nonproprietary) communication protocols.
a)
Packet
b)
Internet
c)
HTTP
d)
Digital Divide
29.
a system of linked pages, programs, and files.
a)
Digital Divide
b)
HTTP
c)
Intellectual Property
d)
World Wide Web
30.
differing access to computing devices and the Internet, based on socioeconomic, geographic, or demographic characteristics
a)
HTTP
b)
Intellectual Property
c)
Digital Divide
d)
World Wide Web
31.
the inputs and outputs that allow a user to interact with a piece of software. User interfaces can include a variety of forms such as buttons, menus, images, text, and graphics.
a)
Output
b)
User Interface
c)
Input
d)
Program Statement
32.
data that are sent to a computer for processing by a program. Can come in a variety of forms, such as tactile interaction, audio, visuals, or text.
a)
Input
b)
User Interface
c)
Output
d)
Program Statement
33.
any data that are sent from a program to a device. Can come in a variety of forms, such as tactile interaction, audio, visuals, or text.
a)
Program Statement
b)
Input
c)
Output
d)
User Interface
34.
a command or instruction. Sometimes also referred to as a code statement.
a)
User Interface
b)
Program Statement
c)
Output
d)
Input
35.
a collection of program statements. Programs run (or “execute”) one command at a time.
a)
Event Driven Programming
b)
Sequential Programming
c)
Documentation
d)
Program
36.
program statements run in order, from top to bottom.
a)
Sequential Programming
b)
Documentation
c)
Program
d)
Event Driven Programming
37.
some program statements run when triggered by an event, like a mouse click or a key press
a)
Documentation
b)
Sequential Programming
c)
Event Driven Programming
d)
Program
38.
a written description of how a command or piece of code works or was developed.
a)
Sequential Programming
b)
Program
c)
Event Driven Programming
d)
Documentation
39.
form of program documentation written into the program to be read by people and which do not affect how a program runs.
a)
Program
b)
Comment
c)
Event
d)
Debugging
40.
a collaborative programming style in which two programmers switch between the roles of writing code and tracking or planning high level progress
a)
Development process
b)
Event
c)
Debugging
d)
Pair Programming
41.
Finding and fixing problems in an algorithm or program.
a)
Event
b)
Development process
c)
Debugging
d)
Program
42.
the steps or phases used to create a piece of software. Typical phases include investigating, designing, prototyping, and testing
a)
Development process
b)
Debugging
c)
Event
d)
Program Statement
43.
associated with an action and supplies input data to a program. Can be generated when a key is pressed, a mouse is clicked, a program is started, or by any other defined action that affects the flow of execution.
a)
Debugging
b)
Development process
c)
Program
d)
Event
44.
a combination of operators and values that evaluates to a single value
a)
String
b)
Expression
c)
Assignment Operator
d)
Variable
45.
allows a program to change the value represented by a variable
a)
Expression
b)
Variable
c)
String
d)
Assignment Operator
46.
a named reference to a value that can be used repeatedly throughout a program.
a)
Assignment Operator
b)
Expression
c)
Variable
d)
String
47.
an ordered sequence of characters.
a)
Variable
b)
String
c)
Expression
d)
Assignment Operator
48.
a data type that is either true or false.
a)
Expression
b)
Assignment Operator
c)
Variable
d)
Boolean Value
49.
<, >, <=, >=, ==, != indicate a Boolean expression
a)
Assignment Operator
b)
Function
c)
Comparison Operators
d)
Variable
50.
NOT, AND, and OR, which evaluate to a Boolean value.
a)
Logical operator
b)
Function Call
c)
Conditional Statement
d)
Function
51.
affect the sequential flow of control by executing different statements based on the value of a Boolean expression.
a)
Comparison Operators
b)
Logical operator
c)
Function
d)
Conditional Statement
52.
a named group of programming instructions. Also referred to as a “procedure”.
a)
Logical operator
b)
Function
c)
Conditional Statement
d)
Function Call
53.
a command that executes the code within a function
a)
Function
b)
Conditional Statement
c)
Logical operator
d)
Function Call
54.
an ordered collection of elements
a)
Data abstraction
b)
Index
c)
List
d)
Element
55.
an individual value in a list that is assigned a unique index
a)
List
b)
Element
c)
Data abstraction
d)
Index
56.
a common method for referencing the elements in a list or string using numbers
a)
Index
b)
List
c)
Element
d)
Traversal
57.
a repetitive portion of an algorithm which repeats a specified number of times or until a given condition is met.
a)
Element
b)
Data abstraction
c)
Iteration
d)
List
58.
occurs when the ending condition will never evaluate to true.
a)
Traversal
b)
Infinite loop
c)
Element
d)
Index
59.
the process of accessing each item in a list one at a time.
a)
Element
b)
Data abstraction
c)
List
d)
Traversal
60.
manage complexity in programs by giving a collection of data a name without referencing the specific details of the representation.
a)
Data abstraction
b)
Element
c)
Traversal
d)
List
61.
a general description of a task that can (or cannot) be solved with an algorithm
a)
Sequencing
b)
Element
c)
Problem
d)
Algorithm
62.
a finite set of instructions that accomplish a task.
a)
Sequencing
b)
Element
c)
Problem
d)
Algorithm
63.
putting steps in an order.
a)
Sequencing
b)
Sequencing
c)
Problem
d)
Heuristic
64.
deciding which steps to do next.
a)
Sequencing
b)
Sequencing
c)
Problem
d)
Selection
65.
doing some steps over and over
a)
Binary Search
b)
Sequencing
c)
Iteration
d)
Algorithm
66.
a measure of how many steps are needed to complete an algorithm
a)
Efficiency
b)
Sequencing
c)
Problem
d)
Algorithm
67.
a search algorithm which checks each element of a list, in order, until the desired value is found or all elements in the list have been checked.
a)
Unreasonable Time
b)
Sequencing
c)
Problem
d)
Linear Search
68.
a search algorithm that starts at the middle of a sorted set of numbers and removes half of the data; this process repeats until the desired value is found or all elements have been eliminated.
a)
Unreasonable Time
b)
Binary Search
c)
Problem
d)
Decision Problem
69.
Algorithms with a polynomial efficiency or lower (constant, linear, square, cube, etc.) are said to run in a reasonable amount of time.
a)
Algorithm
b)
Heuristic
c)
Problem
d)
Reasonable Time
70.
Algorithms with exponential or factorial efficiencies are examples of algorithms that run in an unreasonable amount of time.
a)
Algorithm
b)
Heuristic
c)
Unreasonable Time
d)
Decision Problem
71.
provides a "good enough" solution to a problem when an actual solution is impractical or impossible
a)
Algorithm
b)
Optimization Problem
c)
Heuristic
d)
Decision Problem
72.
a problem with a yes/no answer (e.g., is there a path from A to B?)
a)
Algorithm
b)
Decision Problem
c)
Optimization Problem
d)
Problem
73.
a problem with the goal of finding the "best" solution among many (e.g., what is the shortest path from A to B?)
a)
Optimization Problem
b)
Decision Problem
c)
Problem
d)
Unreasonable Time
74.
a problem for which no algorithm can be constructed that is always capable of providing a correct yes-or-no answer
a)
Binary Search
b)
Decision Problem
c)
Undecidable Problem
d)
Unreasonable Time
75.
a model in which programs run in order, one command at a time.
a)
Binary Search
b)
Sequential Computing
c)
Reasonable Time
d)
Unreasonable Time
76.
a model in which programs are broken into small pieces, some of which are run simultaneously
a)
Binary Search
b)
Heuristic
c)
Reasonable Time
d)
Parallel Computing
77.
a model in which programs are run by multiple devices
a)
Distributed Computing
b)
Heuristic
c)
Optimization Problem
d)
Reasonable Time
78.
the time used to complete a task sequentially divided by the time to complete a task in parallel
a)
Optimization Problem
b)
Heuristic
c)
Speedup
d)
Reasonable Time
79.
a variable in a function definition. Used as a placeholder for values that will be passed through the function.
a)
Return
b)
Argument
c)
Procedural abstraction
d)
Parameter
80.
the value passed to the parameter
a)
Procedural abstraction
b)
Argument:
c)
Return
d)
Argument
81.
used to return the flow of control to the point where the procedure (also known as a function) was called and to return the value of expression.
a)
Argument:
b)
API
c)
Heuristic
d)
Return
82.
a process and allows a procedure to be used only knowing what it does, not how it does it. Procedural abstraction allows a solution to a large problem to be based on the solution of smaller subproblems. This is accomplished by creating procedures to solve each of the subproblems.
a)
Argument:
b)
API
c)
Procedural abstraction
d)
Return
83.
a group of functions (procedures) that may be used in creating new programs
a)
Library
b)
API
c)
Procedural abstraction
d)
Argument
84.
Application Program Interface - specifications for how functions in a library behave and can be used
a)
Argument
b)
Procedural abstraction
c)
Return
d)
API
85.
scientific research conducted in whole or part by distributed individuals, many of whom may not be scientists, who contribute relevant data to research using their own computing devices.
a)
Data bias
b)
Citizen Science
c)
Cleaning Data
d)
Information
86.
a process that makes the data uniform without changing its meaning (e.g., replacing all equivalent abbreviations, spellings, and capitalizations with the same word).
a)
Data bias
b)
Data filtering
c)
Correlation
d)
Cleaning Data
87.
a relationship between two pieces of data, typically referring to the amount that one varies in relation to the other.
a)
Data bias
b)
Data filtering
c)
Correlation
d)
Information
88.
the practice of obtaining input or information from a large number of people via the Internet.
a)
Data bias
b)
Data filtering
c)
Cleaning Data
d)
Crowdsourcing
89.
the collection of facts and patterns extracted from data
a)
Information
b)
Data filtering
c)
Cleaning Data
d)
Correlation
90.
data that does not accurately reflect the full population or phenomenon being studied
a)
Correlation
b)
Data filtering
c)
Data bias
d)
Information
91.
choosing a smaller subset of a data set to use for analysis, for example by eliminating / keeping only certain rows in a table
a)
Correlation
b)
Citizen Science
c)
Data bias
d)
Data filtering
92.
includes a program as an integral part of its function. Can be physical (e.g. self-driving car), non-physical computing software (e.g. picture editing software), or non-physical computing concepts (e.g., e-commerce).
a)
Malware
b)
Computing Innovation
c)
Encryption
d)
Phishing
93.
information about an individual that identifies, links, relates, or describes them.
a)
Malware
b)
Encryption
c)
Multi-factor Authentication
d)
Personally Identifiable Information
94.
a technique that attempts to trick a user into providing personal information. That personal information can then be used to access sensitive online resources, such as bank accounts and emails
a)
Malware
b)
Encryption
c)
Phishing
d)
Multi-factor Authentication
95.
the use of a program to record every keystroke made by a computer user in order to gain fraudulent access to passwords and other confidential information
a)
Keylogging
b)
Encryption
c)
Phishing
d)
Multi-factor Authentication
96.
software intended to damage a computing system or to take partial control over its operation
a)
Decryption
b)
Malware
c)
Phishing
d)
Encryption
97.
a wireless access point that gives unauthorized access to secure networks.
a)
Decryption
b)
Multi-factor Authentication
c)
Phishing
d)
Rogue Access Point
98.
a process of encoding messages to keep them secret, so only "authorized" parties can read it.
a)
Decryption
b)
Phishing
c)
Encryption
d)
Keylogging
99.
a process that reverses encryption, taking a secret message and reproducing the original plain text.
a)
Decryption
b)
Phishing
c)
Encryption
d)
Keylogging
100.
involves one key for both encryption and decryption.
a)
Encryption
b)
Phishing
c)
Decryption
d)
Symmetric Key Encryption
101.
pairs a public key for encryption and a private key for decryption. The sender does not need the receiver’s private key to encrypt a message, but the receiver’s private key is required to decrypt the message
a)
Encryption
b)
Public Key Encryption
c)
Decryption
d)
Keylogging
102.
a system that requires at least two steps to unlock protected information; each step adds a new layer of security that must be broken to gain unauthorized access
a)
Encryption
b)
Keylogging
c)
Decryption
d)
Multi-factor Authentication
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