Praxis Computer Sciences (5652) Practice Test

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• Which device converts digital signals into analog signals to enable transmission over telephone lines?
• Which solution aims to reduce the gender gap in Internet access?
• What does FIFO describe in queue data structures?
• In the URL, which part identifies the host name?
• Which statement defines Programming Paradigm?
• Which description best defines an Internet Browser?
• Which device is also called a display adapter or graphics card?
• Which term describes a problem-solving approach that uses rules of thumb to arrive at a quick solution, possibly sacrificing exactness?
• Which shape marks the beginning and ending points in flowchart notation?
• Which statement about IPv4 addresses is true?
• Which operation adds an item to the top of a stack?
• Which device routes data packets between different computer networks?
• Which statement describes IPv4?
• Which term describes software that is able to be modified?
• DNS is used as a naming system for...
• What term describes a classification of software designed to help programmers write programs more effectively?
• Which statement describes lossless data compression?
• Which solution to the digital divide emphasizes empowering users?
• What does Overloading a Method mean?
• Which term describes a sequential search that checks each element in a set?
• Which IP addressing scheme is divided into eight sections?
• What is the primary function of a network switch?
• Event-driven programming is characterized by which behavior?
• Which statement best describes a local scope variable?
• What is Procedural Programming?
• What is source code?
• RJ in RJ-45 stands for which term?
• Which component provides long-term storage for data in a computer?
• Which type of software is designed to help users perform specific tasks like word processing or data management?
• An operating system that combines processors (hardware) and software in a device is known as what?
• Which statement best describes a hard drive?
• What is DNS primarily described as?
• Which term describes the process of breaking a complex problem into parts that are easier to conceive, understand, program, and maintain?
• Which term refers to an error that prevents the code from compiling?
• Which term describes code that is compiled on the fly each time the program is run?
• Which term represents the computer's ability to repeat a series of instructions, i.e., loops?
• Data Verification is best described as which of the following?
• Which type of abstraction is associated with Don't care 'How' it gets done?
• Which option is NOT listed as one of the five pillars of cyber security?
• In an Abstraction Hierarchy, where are the most general concepts located?
• Which of the following is a relational operator?
• In object-oriented programming, what does overriding a method mean?
• Which statement correctly describes a network hub?
• Which shape represents a decision or a branching point in a flowchart?
• Which statement correctly describes the relationship between source code and object code?
• RJ-45 is a port that looks like a large phone jack and is used by twisted-pair cable to connect to a wired network adapter or other hardware device. RJ stands for registered jack.
• IPv4 octets have what range?
• What is aggregation in data analysis?
• Which term describes the error produced when a decimal result is rounded in order to provide a meaningful answer?
• Which statement best describes a high level programming language?
• Which CPU stage actually performs the operation specified by an instruction?
• Which term describes the element that determines the order of execution of instructions in a program?
• In that URL, which segment is the domain name?
• What is the path in that URL?
• How many bits make up one byte?
• What does bandwidth measure in a network?
• Which statement accurately describes citizen science?
• Which numbering system uses symbols 0-9 and A-F to represent values from 0 to 15?
• Which term corresponds to verifying the identity of the user or device attempting to access the system?
• Which term refers to an error that becomes apparent when the program is executed?
• Which term describes a program in a high-level language before compilation?
• In a DataBase, columns are known as?
• What best describes a global scope variable?
• Which development model flows in largely one direction through the phases of conception, initiation, analysis, design, construction, testing, deployment and maintenance?
• Which term is defined as the act of holding information in confidence, not to be released to unauthorized individuals?
• Which term is used to describe the study of an algorithm's resource usage, such as time and space?
• In data modeling, what does modeling refer to?
• Which classification of software is designed to help programmers write programs more effectively and efficiently?
• Which sequence correctly represents steps to execute a computer program?
• Which term refers to a copyright framework that makes it easier to copy, share, and build on your creative work, as long as you give credit?
• Which term refers to a language that maps closely to processor instructions?
• Which term refers to computer programs that read and interpret code to display a web page to the user?
• Which flowchart symbol represents a decision or a choice?
• Which term describes the error produced when a decimal result is rounded to provide a meaningful answer?
• Code review is best described as which of the following?
• Which concept describes the idea that objects are becoming connected to the Internet to interact with other devices, applications, or services?
• Which term describes the base-2 numbering system using only 0 and 1 digits?
• Which sequence lists data size prefixes from smallest to largest?
• What does RJ-45 connector commonly connect?
• Which term describes the computer's ability to repeat a set of instructions?
• Which term describes representing or storing information with methods that separate layers of concerns so that the programmer can work with information while ignoring lower-level details about how the information is represented?
• Which service provides automatic IP assignment and TCP/IP configuration information?
• Which term describes a polynomial with degree 2?
• What is object code?
• Which term is about using existing assets such as software, knowledge, code into new software?
• APIs are described as which of the following?
• Which term refers to computer science written programs or procedures or rules and associated documentation pertaining to the operation of a computer system stored in read/write memory?
• Which term describes the executable form of a program after compilation?
• Which term provides text and graphics formatting through the use of tags?
• Which term answers the question 'What exponent is needed to get a number?'
• Which device connects network segments within a LAN to forward data between segments?
• Which term is defined as shorthand notation for programming?
• Which term describes a general process to determine the resources needed by an algorithm, often expressed with Big O notation?
• Which statement defines encoding in data processing?
• Which term refers to ensuring the accuracy of data used in business processes and transactions?
• In encryption, the component used to convert plaintext into ciphertext is commonly called:
• If a source lists 'Natural language' as 'Person to Person', which term would be defined as that exact communication style?
• Which term describes solving a problem by breaking it into smaller subproblems, solving them, and combining the solutions?
• Which term specifically refers to summarizing information after it has been gathered?
• Which statement defines object code?
• Which technique divides an ordered list into two halves with each comparison?
• Which term describes a contractual stipulation to ensure ebusiness participants do not deny their online actions?
• Which solution involves building or upgrading network infrastructure to reduce access gaps?
• Which term refers to the process of acquiring existing information or developing new information?
• HTML is described as what?
• Which statement about IPv6 is described in the material?
• Which term describes the amount of data a network can handle per unit time?
• Which statement describes Imperative Programming?
• Which term describes the exclusive legal right, given to an originator or an assignee to print, publish, perform, film, or record literary, artistic, or musical material, and to authorize others to do the same?
• Which term describes devices such as keyboards and monitors that connect to a computer to exchange data?
• Which statement best defines a recursive function?
• Which protocol is used for transmitting web pages over the Internet?
• Which solution to the digital divide focuses on increasing affordability?
• In a queue, which term describes the processing order?
• Which term is the inverse of an exponential function?
• Data generated by sensors is defined as data that is:
• Which of the following is a relational operator used to compare two values?
• Which term describes the group of constructs that control program flow, including if statements and loops?
• What best defines computer operating systems?
• Data Validation is defined as which of the following?
• Which flowchart symbol indicates the direction of a flow or connection between steps?
• What term describes the concept of everyday objects becoming connected to the Internet to exchange data?
• In database terminology, what is the term for a single row of data?
• Which term describes software that is created for free use by everyone?
• In flowchart notation, which shape is used to represent input and output operations?
• Which term describes the group of operators that perform mathematical calculations?
• What is the general term for the collection of programs, procedures, and documentation that controls a computer's operation?
• How many sections does an IPv4 address contain?
• Which term is associated with the set of operators such as ==, ||, and &&?
• What is RAM?
• What does a Stack data structure implement?
• Which term describes the overall correctness depending on the correctness of components?
• Which of the following is NOT a characteristic typically associated with well-documented programs?
• Which description matches a class diagram?
• Which term describes looking for similarities among and within problems?
• Which statement best describes a local scope variable?
• Trace code involves...
• In the URL https://www.yourwebservice.com:80/on-demand/default.aspx, which segment is the protocol?
• Which term best describes the final consumer for whom a product is designed?
• Peripherals are best described as...
• Which term is one of the five pillars of cyber security?
• Which term refers to the '=' sign used in an assignment statement?
• Which sorting algorithm moves through a list repeatedly, swapping elements that are in the wrong order?
• What is the primary role of a router in a network?
• In the same URL, which segment is the subdomain?
• Which term describes a programming language that has the same structure and set of commands as machine languages but allows programmers to use symbolic representations of numeric machine code?
• Which data structure is described as storing data in an array?
• Which operation removes the item from the top of a stack?
• Which description best defines a floating point type?
• Which term is often used to initialize hardware during the boot process?
• Which term refers to computer software created to allow the user to perform a specific job or task?
• Which description best defines Inheritance?
• What defines a low level programming language?
• Which statement about encryption is a fundamental component?
• What operation adds an item to the rear of a queue?
• Which term describes software responsible for the general operation of a computer system, including hardware operation, running applications, and file management?
• Which term is described by a function that grows with a constant ratio?
• BIOS stands for?
• In a DataBase, rows are known as?
• Which algorithm searches by checking each item in a list from start to end?
• Which statement describes Functional Programming?
• Which of the following is NOT typically a component of an integrated development environment (IDE)?
• Which of the following is an example of a peripheral?
• In the Visual Basic Editor, what does the F1 function key do when a code element is highlighted?
• Which term best describes development of data, often qualitative, by the data collector?
• Which concept describes randomly assigning subjects to different treatment groups?
• Which term describes a polynomial with degree 2?
• What operation removes an item from the front of a queue?
• DHCP stands for which protocol?
• Which term describes connecting server computers via software and networking so that their resources can be used to collectively solve computing tasks?
• The term that describes the ability to maintain service despite failures is:
• What is a circuit that produces an output based on the inputs?
• What term describes distributing network traffic across multiple WAN links to optimize performance?
• Which components are considered input and output devices?
• What term describes a computer that responds to requests to provide information and services over the internet?
• In software design, who is the end user?
• Which sorting algorithm splits a list into individual lists, then combines two lists at a time?
• Which option best describes Object-oriented programming?
• The 0-255 range applies to which part of IP addressing?
• In the URL, which part is the path?
• Which shape is used to denote an action or process in a flowchart?
• Which statement about IPv6 is described in the material?
• Which protocol is used to move files and folders over a network or the Internet?
• Which term refers to the circuit board that contains a computer's main components?
• What is a video card?
• What is a motherboard?
• Which term describes an error that makes the program do something other than what the programmer intended?
• Which term is a generic name for a type of programming statement (usually an if-statement) that uses a Boolean condition to determine, or select, whether or not to run a certain block of statements?
• Which term refers to a divide-and-conquer sorting method that splits into halves and merges?
• Which term refers to the programming construct that decides which block of code to execute based on a Boolean condition?
• Redundancy is the ability to provide continued service, no matter what happens. Which option best matches this definition?
• Which term describes the central processing unit?
• Which of the following is a component of a URL?
• Which term is used to describe a mechanism that prevents a sender from later denying sending a message?
• What term describes a computer that requests services from a server?
• Which statement about simulation models is true?
• Which term defines the order in which things happen or should happen?
• Which term describes an error in the source code that prevents compilation, also called a syntax error?
• Which statement best describes an API?
• Which shape in a flowchart is used to represent an action or a process?
• Which description matches RAM?
• Which term includes operators such as ==, ||, and &&?
• Which statement correctly lists the two principal functions of an IP address?
• Which of the following is NOT typically an IDE component?
• Which symbol represents the logical NOT operation?
• What best describes encryption?
• Which symbol represents the logical AND operation?
• Which description best captures Object-oriented programming?
• Which problem-solving approach sacrifices accuracy to gain speed, often described as 'Rules of Thumb'?
• Which term describes a function with constant ratio increase?
• What is the smallest unit of data in a computer?
• Which term means a program can grow in the future?
• Which of the following is commonly used to connect multiple computers within a LAN without routing intelligence?
• Which statement describes lossy data compression?
• Backups are best described as...
• APIs primarily facilitate interaction between software components by exposing what?
• What is a Programming Paradigm?
• Which statement describes Inheritance in object-oriented design?
• Which device is used for reading and writing CD and DVD?
• Which symbol represents the logical OR operation?
• In a basic CPU instruction cycle, what is the initial stage where the next instruction is retrieved from memory?
• DHCP is defined as...
• What does network latency refer to?
• Which term describes a mistake where the program does not perform the intended task?
• Abstraction allows you to modify 'parts' of a program without messing up the larger program.
• Which statement about Abstraction in programming is correct?
• What is the primary purpose of abstraction in programming?
• Which of the following is the correct expansion for HTML?
• Global scope variables can have unintended side effects.
• In the CPU instruction cycle, which stage translates the fetched instruction into signals that control the rest of the CPU?
• Which item is a network interface card used to connect a device to a network?
• Which development model flows in sequence with phases from conception to maintenance?
• Which base-16 numbering system uses sixteen symbols 0-9 and A-F to represent numbers from 0 to 15?
• Which term describes a syntax error?
• What best describes interpretation in programming?
• Which algorithm is characterized as a linear-time approach that checks each element in sequence?
• Which term describes the gulf between those who have ready access to computers and the Internet, and those who do not?
• What does Overloading a Method mean in practice?
• Which term means verifying the identity of the person or device attempting to access the system?
• Which statement describes the CPU?
• In the URL https://www.yourwebservice.com:80/on-demand/default.aspx, which value specifies the port number?
• Which protocol is used in the sample URL?
• Which term describes a computer designed so the system unit, input devices, output devices, and any other devices fit entirely on or under a desk or table?
• Which term describes an error where a calculation produces a result greater than the computer can deal with or store with the available number of bits?
• How many sections does an IPv6 address contain?
• What is the port number in the URL https://www.yourwebservice.com:80/on-demand/default.aspx?
• Network load balancing refers to balancing traffic across two or more WAN links. Which option best describes this concept?
• Which activity involves tracking the values of variables and how they change with each iteration of a loop?
• Which term defines the binary number system base 2, using only bits 0 and 1?
• Which statement best defines compilation in programming?
• Which term can be described as a method that searches a sorted list by halving the search range each time?
• Which term means reducing information and detail to focus on essential characteristics?
• In flowchart terminology, which shape is used to denote the start and end points?
• Which term refers to a device that includes both hardware and an integrated operating system?
• Which description best defines surveys?