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| Section | Weight | Objectives |
|---|---|---|
| Discrete Mathematics & Logic | 25% | - Boolean algebra and digital logic - Set theory, relations, functions - Propositional and predicate logic - Proof techniques and mathematical induction |
| Algorithms & Complexity | 25% | - Recursion and iterative structures - Algorithm design and analysis - Sorting and searching algorithms - Big O notation, time and space complexity |
| Software Engineering & Programming Basics | 15% | - Software development lifecycle - Testing and debugging fundamentals - Programming paradigms - Basic syntax and control structures |
| Data Structures | 20% | - Trees, graphs, hash tables - Arrays, linked lists, stacks, queues - Data storage and retrieval principles - Primitive and composite data types |
| Computer Architecture & Organization | 15% | - CPU, memory, I/O systems - Instruction sets and execution cycles - Von Neumann architecture - Memory hierarchy and performance |
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NEW QUESTION # 14
What is another term for the inputs into a function?
Answer: B
Explanation:
In programming, a function takes inputs, performs computation, and may return an output. The standard term for a function's inputs isarguments(also commonly discussed alongside the closely related termparameters).
Textbooks typically distinguish the two:parametersare the names listed in the function definition, while argumentsare the actual values supplied when the function is called. For example, in def f(x, y):, x and y are parameters. In the call f(3, 5), 3 and 5 are arguments. Many introductory materials use "arguments" informally to refer to the inputs overall, which matches the wording of this question.
Options A, B, and C do not fit the textbook definition. "Variables" is too broad; inputs can be literals, expressions, or variables, but the conceptual role is "arguments." "Procedures" are callable units of code (often used in some languages to mean functions without return values), not the inputs. "Outputs" refers to returned results, not what you pass in.
Understanding arguments is important because it connects to call semantics, scope, and correctness.
Different languages support positional arguments, keyword arguments, default values, and variadic arguments (e.g., *args, **kwargs in Python). This flexibility shapes API design and influences how programmers structure reusable code.
NEW QUESTION # 15
What is the built-in data structure that implements a hash table in Python?
Answer: D
Explanation:
A hash table is a data structure that supports fast lookup, insertion, and deletion by using ahash functionto map keys to positions in an underlying storage structure. In Python, the built-in data structure that provides hash-table behavior is thedictionary, written with curly braces like {"a": 1, "b": 2}. Dictionaries store key- value pairs and are designed so that accessing a value by key, such as d["a"], is efficient on average.
Textbooks typically describe this expected efficiency as average-case constant time, often written as O(1), assuming a good hash function and a well-managed table size.
Tuples and lists are sequence types. Lists provide indexed access by integer position, not hashing by arbitrary keys. Tuples are immutable sequences and likewise do not provide key-based hashing semantics. "Array" is not the core built-in mapping structure in Python; while Python has an array module and NumPy has arrays, neither is the built-in hash table abstraction for general key-value storage.
Python dictionaries require keys to be hashable, meaning the key's hash value is stable during its lifetime (common examples: strings, numbers, tuples of hashable items). This requirement is directly tied to hash-table implementation. Dictionaries are used throughout computer science applications:
symbol tables in interpreters, caches and memoization, frequency counting, indexing, and implementing graphs via adjacency maps.
NEW QUESTION # 16
What is the name of the tool that can allow a device to run more than one operating system at a time as virtual machines?
Answer: A
NEW QUESTION # 17
What is the expected result of running the following code: list1[0] = "California"?
Answer: A
Explanation:
Python lists are mutable sequences, which means elements can be changed in place after the list has been created. The expression list1[0] = "California" uses indexing to target the element at position 0 (the first element, because Python uses zero-based indexing) and assignment (=) to replace that element with a new value. As a result, the list keeps the same length, but its first entry becomes "California".
This operation does not create a new list (so option A is incorrect); it modifies the existing list object referenced by list1. It also does not append to the end of the list (so option C is incorrect). Appending would use methods like list1.append("California"). Option D is not meaningful in Python list semantics; assignment to a single index replaces exactly one element rather than "adding a second element to the line." Textbooks highlight this difference between mutable and immutable sequence types. For example, strings are immutable, so you cannot assign to some_string[0]. Lists, however, are designed for collections that change over time, supporting updates, insertions, deletions, and reordering. Index assignment is fundamental for many algorithms: updating an array-like buffer, modifying a dataset row, replacing incorrect values, or implementing in-place transformations efficiently.
NEW QUESTION # 18
Which type of sorting algorithm starts at the first position and moves the pointer until the end of the list, determining the lowest value?
Answer: D
Explanation:
Selection sort is the algorithm that repeatedly scans the unsorted portion of a list to find the lowest (or highest) value and then places it into its correct position in the sorted portion. It begins at the first index (position 0) and treats that as the boundary between sorted and unsorted regions. On the first pass, it moves a scanning pointer through the entire list to determine the minimum element and swaps it into position 0. On the second pass, it starts from position 1, scans to the end to find the next minimum, and swaps it into position 1.
This continues until the list is sorted.
This matches the question's description: "starts at the first position and moves the pointer until the end of the list, determining the lowest value." Textbooks often describe selection sort with two indices: one for the current boundary position and one for scanning the remainder of the list to find the minimum. The algorithm is simple and uses O(1) extra space, but it is inefficient for large lists because it performs O(n²) comparisons regardless of input order.
The other options are not standard algorithm names in typical computer science curricula. While many sorting algorithms exist (insertion sort, merge sort, quicksort, heap sort), "incremental," "progressive," and "pointer sort" are not canonical textbook algorithms in this context. Therefore, the correct answer is selection sort.
NEW QUESTION # 19
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