IB Computer Science Practice Exam

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• Which memory type does not lose data when the power is turned off?
• Which of the following best describes a Boolean statement?
• What type of device converts energy from one form to another?
• What is the order of nodes processed in a preorder tree traversal?
• What process involves reducing the size of data to save space or speed up transmission?
• Which term describes a series of points or nodes interconnected by communication paths?
• What is the term for one full repetition of a set of instructions in programming?
• What is the primary advantage of using a linked list over an array?
• What term refers to the distribution of the final version of an application?
• Which term describes an intelligent agent that operates on behalf of an owner without interference from that ownership entity?
• During what process do users evaluate the functionality of a software product?
• Which device allows for communication without a physical connection to a network?
• What connects two devices together based on the design of the plug, socket, and electrical signals?
• Which of these is not typically associated with network security?
• What is described as a backup mode that allows secondary system components to take over?
• In which kind of linked list does each node have a reference to both the next node and the previous node?
• What is a set of production rules for strings in a formal language called?
• What is defined as a device that manages, commands, directs, or regulates the behavior of other devices or systems?
• What defines an effective Central Control System?
• What role does a Graphics Processor primarily fulfill?
• Which programming structure allows multiple conditional paths of execution?
• What does the XOR operation output if both inputs are true?
• What aspect of a network is described as being 'decentralized'?
• Which of the following terms describes a tree node that is the first node along a path?
• What is an algorithm called that locates files by dividing the number of accessible records in half until one remains?
• In Boolean logic, what is the output of an OR operation with both inputs false?
• What system design feature ensures that a component is duplicated to prevent failure?
• What defines a procedure in programming?
• In the context of data transmission, what is meant by the term 'throughput'?
• Which component within a CPU performs arithmetic and logic operations?
• In a linked list, what operation allows for the easy addition of a new element?
• What does a 'higher level language' primarily aim to achieve in programming?
• In what scenario is virtual memory most crucial?
• What programming construct is used to perform a specific task or calculation?
• Which memory type is typically used to store program instructions that do not change?
• What is the function of a logic gate in digital circuits?
• What type of algorithms are recommended for addressing frequently occurring problems in computer science?
• What is the purpose of a structure chart?
• What does CAD stand for in the context of design and drafting software?
• Which term relates specifically to computer operations?
• What type of network connects computers within a limited area like a home or office?
• Which of the following actions is typically governed by IT policies in an organization?
• What characterizes "phased conversion"?
• Which of the following best describes the operational control of Autonomous Agents?
• What is the role of logical rules in programming?
• What kind of software modifications accompany changes in specifications or environment?
• What type of data loss occurs due to uncontrollable events like natural disasters?
• In which type of system does programming and monitoring occur from a singular central point?
• Which concept refers to the use of the same programming code across multiple applications?
• What characteristic defines an Embedded System?
• Which process involves modifying code in a different programming language to maintain its functionality?
• The software used to manage and access databases is known as what?
• What is the function of a Memory Address Register in a CPU?
• What is the primary function of a Central Control System?
• What is a VLAN designed to do?
• Which of the following describes a static data structure?
• In which numbering scheme are there only two possible values for each digit?
• Which traversal method processes the node in the sequence of left child, parent, then right child?
• What is a computer within your computer that works as your virtual post office called?
• What does the term 'maintenance' refer to in software development?
• What is a large high-speed computer that supports numerous workstations or peripherals called?
• Which algorithm typically performs best for searching in a sorted data set?
• In Boolean algebra, what is the output of a NAND operation if both inputs are true?
• What type of memory stores recently used information for quick access later?
• What describes a "software-as-a-service" model?
• What property measures how well an algorithm uses computational resources?
• What is the result of the 'div' operator in division?
• What is a constant in programming?
• What does LIFO stand for in the context of data structures?
• What type of system is considered "outdated" or replaced by new technology?
• What does the Control Unit (CU) in a CPU do?
• What does a variable represent in a programming context?
• What do we call any physical or virtual component of limited availability within a computer system?
• What characteristic does multitasking allow operating systems to display?
• What is usability in the context of product design?
• How is the rate of data transfer in a communications channel described?
• What is defined as a digital scheme for locating a specific object in a large set?
• What is one function of a word processor?
• What property of an algorithm refers to the resources it consumes during execution?
• What technology assists individuals who are visually or physically impaired in using computers?
• What is a sub-procedure in programming?
• What process is referred to as abstraction in programming?
• What is "parallel running" in system transitions?
• What does "direct changeover" involve?
• What is a printable symbol that can have phonetic or pictographic meaning?
• What is the result of an AND operation if both inputs are true?
• What does WAN stand for in networking terminology?
• What defines a tree node that has other nodes branching off from it?
• What distinguishes Distributed Systems from other computing systems?
• What do you call the grouping of a parent and its child in a tree?
• Which diagram focuses on the flow of data and its processing stages?
• Which network typically connects personal devices over a very short distance?
• Which phase of software testing involves end-users testing the product?
• What model defines a networking protocol framework structured in seven layers?
• What term is used for the set of rules computers follow to communicate with one another?
• What is a 'bit' in computing?
• What traversal method visits a node after its children?
• Which of the following components is considered an elementary building block of a digital circuit?
• What is the term for a connection point within a tree, also known as a vertex?
• What type of search algorithm processes items in a linear progression from one end to the other?
• In tree terminology, what do we call the nodes that do not branch off any other nodes?
• What component performs rapid mathematical calculations primarily for rendering images?
• What does "network infrastructure" refer to?
• What term refers to a network type that relies on radio waves and/or microwaves for communication?
• A general term for various kinds of programs used to operate computers and related devices is called what?
• Which data structure is often best for implementing a stack?
• What is the term for the process of locating and fixing bugs in computer program code?
• What base is the hexadecimal numbering system?
• What is a pre-condition in programming?
• Which of the following terms is associated with the concept of iterative design?
• Which device facilitates network connectivity by managing data paths?
• What refers to the confidence in an algorithm's ability to produce correct outputs over its lifetime?
• What term is used for the condition in which information is destroyed due to failures or neglect?
• How are colours typically represented in computer systems?
• What is known as the documentation that provides product information to users?
• What characterizes the binary numbering system?
• What is meant by a 'virtual machine' in computing?
• Which of the following best describes redundancy in system design?
• Which Boolean operation outputs true if at least one input is true?
• In the context of computing systems, what is an important role of an Autonomous Agent?
• What describes non-regular geometric shapes found in nature that maintain self-similarity?
• Which engineering discipline focuses on maintaining the output of a specific process within a desired range?
• What is defined as providing simultaneous connections of multiple terminals?
• What is the process of breaking down a complex problem or system into easier parts called?
• What is the primary function of a compiler in programming?
• What is the process of encoding information so that only authorized users can decode it called?
• What is a quick-repair job for a piece of programming commonly referred to as?
• What is primary memory used for in a computer?
• What type of tree traversal processes nodes one at a time?
• What is the term for translating a program from one programming language to another without losing its original functional or logical structure?
• What memory management scheme involves storing and retrieving data from secondary storage for use in main memory?
• Which of the following structures does NOT have the capability of having two children per parent?
• Which application tool usually provides quick access to commonly used commands and functions?
• Which term describes a material that can carry an electrical charge?
• What type of object can a variable represent in programming?
• Which of the following best describes multitasking in computing?
• Which system is focused primarily on centralized command and control capabilities?
• Which statement accurately describes a Boolean operator that combines keywords for focused searches?
• What type of device is defined as an electronic device that can receive, store, process, or send digital information?
• What storage holds data that is currently in active use?
• What is the term for conditionals that can be found inside one another?
• Which data structure uses LIFO for its operations?
• What does the term 'library' refer to in programming?
• Which of the following is a function of syntax in programming languages?
• What is a graphical representation of an algorithm or process called?
• Which type of storage is non-volatile and not under the direct control of the computer's central processing unit?
• In programming, what is a common use for a variable?
• Which component of a computer handles the operations necessary to execute program instructions?
• What type of diagram uses geometric figures to represent data flow in a computer system?
• Which component of the CPU controls the flow of data within the computer?
• Which of the following correctly defines a 'constant' in programming?
• Which of the following best characterizes Cache memory?
• What is defined as a set of instructions that can be executed directly by a computer's CPU?
• What term refers to a computing concept where multiple computer systems are working together on a single problem?
• Which system transfers data between components inside a computer?
• What is the purpose of using logical rules in a programming context?
• What is the term for a method where multiple tasks share processing resources?
• What does the term "change management" refer to in the context of computer systems?
• What is a common effect of effective scheduling in a system?
• What operation reverses the logic state of its input?
• What is the term for conditionals that are organized within each other?
• Which term refers to a signal generated by input devices indicating that an event has occurred?
• Which system provides location and time information based on satellite technology?
• In robotics, what term is used for a device that detects changes in the environment?
• What occurs during "acceptance testing"?
• What is the primary goal of network security?
• What term describes the basic operation cycle of a computer, which includes retrieving program instructions from memory?
• Which term describes the significance or interpretation of a word, text, concept, or action?
• Which sorting algorithm moves the smallest (or largest) unsorted element to its proper position in each pass?
• What does a NOR gate output when both of its inputs are false?
• What process occurs when a computer waits for an external device to check its readiness?
• What is the primary function of a toolbar in computer applications?
• What is an integrated circuit that contains all functions of a computer's central processing unit?
• What is a programming language object that refers directly to another value stored in memory using its address?
• What term is used to remove an item of data from the queue?
• What is the specialized logging technique used to record execution details of a program?
• What term describes the overall strategy behind managing process performance?
• What type of chart displays a system's hierarchy down to manageable sections?
• Which term best describes the storage mechanism that utilizes rotating disks?
• Which system type could be best described as decentralizing tasks to improve efficiency?
• Which of the following best describes encryption in computer science?
• What is a tool used for breaking down a logic function by listing all possible values it can attain?
• What type of operating system performs only server tasks without any additional functions?
• What is the primary purpose of a firewall in a network?
• Which numbering system is commonly used and includes the digits 0-9?
• What does WiMAX stand for in the context of wireless broadband access?
• What type of data loss is caused by malicious attacks such as viruses or hacking?
• Which term best describes the actions taken to ensure a document meets grammatical standards?
• What occurs when processes on a server attempt to allocate more memory than is available, leading to memory pages being swapped?
• Which gate operates as an AND gate followed by a NOT gate?
• Who can be defined as an individual or group that has an interest in the outcome of a project?
• Which model allows control to be passed sequentially from one layer to the next during data transmission?
• What is the primary use of if/else statements in programming?
• What type of storage retains data even when the power supply is turned off?
• How many bits are contained in one byte?
• What term refers to a computer or program that manages access to a centralized resource in a network?
• What type of diagram provides a graphical representation of operations within an information system?
• Which base number system is also known as decimal?
• What term is used for a node that branches off from a parent node in a tree structure?
• What is the process called when a set of instructions is repeated until a condition is met?
• What is the focus of user documentation?
• Which of the following describes an output that is true if both inputs are false in Boolean logic?
• What is the meaning of 'protocol' in the context of computer networking?
• Which of the following is not considered an essential component but is often located near the computer?
• What type of operation involves more than one comparison condition?
• Which hardware component provides information about a computer's location?
• What type of memory allows a microprocessor to access data more quickly than regular RAM?
• What is the term for a communication model where each participant has equal capabilities to initiate a session?
• What type of tree structure allows each parent element to have two children nodes?
• Which of the following describes a GUI?
• What type of earlier handheld computer was specifically used for managing contacts and tasks?
• Which of the following describes a whole number that can be positive, negative, or zero?
• What does PAN refer to in networking?
• What term describes the addition of an element to a data structure?
• Which data structure does not allow the number of elements to change once it is set?
• What type of software manages the resources necessary for a computer's operation?
• Which of the following best describes cloud computing?
• Which of the following accurately describes an interpreter?
• What is the process of returning part of the output back to the input for control purposes called?
• Which term refers to the action of placing or retaining data in a memory unit?
• What term is used to describe the methods for representing information stored in a computer?
• What is the key function of the ALU within the CPU?
• What does the term 'fibre optic' specifically refer to?
• Which system is designed to function independently without human intervention?
• What is the primary component of a computer that processes instructions?
• Which of the following best describes a stakeholder's role?
• Which device alters auditory signals or sound into a digital or analog format?
• Which term describes a change that includes more recent information in software?
• What best describes a library in the context of programming?
• Which feature of an operating system allows for temporary data transfer from RAM to disk storage?
• What is an informal high-level description of a program's operating principle known as?
• Which feature is most associated with Distributed Systems?
• What is another name for a one-dimensional array?
• What term describes the action of retrieving data from storage to display it on a monitor?
• Which component is essential for interfacing between hardware and software in a computer system?
• In memory management, what is the term for dividing memory into portions for various running programs?
• In a data processing system, what is determined by a hierarchy of priorities?
• What do we call the set of rules that defines correctly structured documents or fragments in a formal language?
• Which type of computer is designed for use by one person at a time?
• What is a menu in computer applications primarily used for?
• What type of software offers more features than a basic text editor?
• In which tree traversal method is a node visited before its children?
• In programming, what does a cache typically refer to?
• What is the process of controlling and coordinating computer memory known as?
• Which of the following is an example of an intentional act that can lead to data loss?
• What does email refer to in computing?
• In which traversal does the parent node visit last?
• Which operation is typically associated with the concept of recursion?
• What does the 'mod' operator calculate in arithmetic?
• Which type of storage is typically faster and used for quick access by a microprocessor?
• What characteristic do linked lists have as data structures?
• Which of the following best defines an operator in programming?
• What process teaches a person to interact with a computer?
• What is the term for the likelihood that a system will produce correct results over time?
• Which term describes the process of connecting various parts of a network together?
• What term describes the selection of one or two more branches under the control of a computer program?
• What is the purpose of an address bus in a computer?
• Which technology provides wireless high-speed Internet connections using radio waves?
• What generation of mobile telecommunications technology is referred to as 3G?
• What type of transmission medium uses glass fibers to transmit data?
• What is the primary focus during the design cycle?
• What term describes the flow of information and processing in a system?
• Which of the following is considered an advantage of using microprocessors?
• What term refers to any removable storage device in a computer system?
• What is the primary function of a firewall in a network?
• What signifies the top node in a tree structure?
• Which term describes a form of parallel processing where several programs run on a uniprocessor?
• What type of data does a data bus primarily transfer?
• What process adds an item of data awaiting processing to a queue?
• Which component is primarily responsible for data storage in a computer system?
• What is the general category of storage mechanisms involving various electronic, magnetic, optical, or mechanical changes?
• In what scenario is "parallel running" most beneficial?
• What is the approach called when handling program work requests such that the oldest request is handled next?
• Which term best describes a sequence of work objects that are waiting to be processed?
• What does "incompatibility" mean in terms of technology?
• What is the main purpose of if statements in programming?
• What distinguishes a public telecommunication infrastructure network from other types?
• Which data structure typically employs FIFO for managing elements?
• What term is used for the removal of an element from a data structure?
• What is the primary operation performed on a stack data structure?
• What are comparison operators used for?
• What term describes a linked list where the pointer to the last node gives easy access to the first node?
• Which term best describes the process of ideas and technologies spreading globally?
• A multi-access system is primarily used for what purpose?
• What type of memory typically contains data that can only be read, not written to?
• What is described as a "legacy system"?
• What technology is the most effective way to reduce IT expenses while boosting efficiency and agility?
• What is "acceptance testing" used for?
• What defines an algorithm?
• What type of number can a character represent within a text context?
• What type of machine is designed to execute one or more tasks repeatedly, with speed and precision?
• What is the purpose of a dialogue box in computing?
• Which component of the CPU is responsible for sending necessary signals to perform operations?
• What describes the bandwidth of a system?
• Which statement accurately describes a variable's role in programming?
• What is the process of examining two or more objects to identify similarities and differences called?
• What do we call the technique that involves executing a sequence of statements repeatedly under certain conditions?
• What do we call programming features that execute different actions based on a Boolean condition?
• What term describes a storage location with an associated name that contains a value?
• What happens to data stored in RAM when the computer is turned off?
• What is the main characteristic of secondary storage?
• What is the class of laptop computers smaller and with less storage than typical laptops?
• What term describes the sequence of phases in the development of a design?
• What do you call loops that are organized in layers, with one loop inside another?
• Which of the following best defines a collection in the context of data structures?
• In programming, what helps execute alternative paths based on conditions?
• What is the purpose of using comparison operators in programming?
• What type of device operates with discrete numbers or digits?
• What is a grouping of a variable number of data items that share significance called?
• What distinguishes a personal computer from a mainframe?
• Which device determines the next network point to which a packet should be forwarded?
• Which conversion strategy allows for testing one module at a time?
• What is the purpose of a MAC address in networking?
• What type of data structure allows for a changing number of elements during program execution?
• Which application simulates a physical spreadsheet using rows and columns for data manipulation?
• Which of the following statements is true about procedures?
• What type of program controls specific devices attached to a computer?
• What role does a 'bit' play in the binary numbering system?
• What term describes the physical aspects of computers, telecommunications, and other devices?
• What do you call an array whose components are arrays themselves?
• Which of the following is a use case for the bubble sort algorithm?
• Which term refers to the ability of software to adapt to new user and system requirements?
• What is defined as a group of related data elements arranged either in rows or columns?
• What data structure allows insertion and removal of elements only at one end, following a last-in-first-out principle?
• What is the term for the method that balances access to resources like processor time in a multitasking environment?
• Which type of tree node has no children?
• What is the main distinction between a compiler and an interpreter?
• What is a common application for an Embedded System?
• In what scenario would a userID be necessary?
• Which type of programming language is designed to resemble natural language and mathematical notions?
• What term describes the period of time allocated for a process to run in a preemptive multitasking system?
• What term describes the validity of an algorithm based on a given specification?
• What is the term for a sequence of instructions that repeat until a specific condition is met?
• Which type of memory is characterized by being volatile and used for active processes?
• Which operation in a linked list is used to remove an existing element?
• Which type of network allows secure access to an organization's network over the Internet?
• What is the main purpose of peripherals in computing systems?
• What is a characteristic of linear search algorithms?
• What does processor speed measure?
• What is a "remote host"?
• Which of the following is a key feature of priority scheduling in data processing?