Computer Science and Decision Making Quiz

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Questions and Answers

Which data structure is specifically designed for efficient searching and is a type of self-balancing binary search tree?

  • Linked List
  • Stack
  • AVL Tree (correct)
  • B Tree

What type of matrix is characterized by a majority of zero elements and requires special storage techniques?

  • Identity Matrix
  • Diagonal Matrix
  • Sparse Matrix (correct)
  • Dense Matrix

Which of the following is a function of a FIFO (First In, First Out) data structure?

  • Binary Tree
  • Queue (correct)
  • Stack
  • B+ Tree

Which sorting algorithm is considered an efficient algorithm for large data sets with a time complexity of O(n log n)?

<p>Merge Sort (A)</p> Signup and view all the answers

In digital circuits, which device is used to perform the function of selecting one of many input signals and directing it to a single output?

<p>Multiplexer (B)</p> Signup and view all the answers

Which mathematical concept involves understanding union and intersection of sets?

<p>Set Theory (C)</p> Signup and view all the answers

What is the primary focus of creative thinking as mentioned in the syllabus?

<p>Finding patterns and trends (A)</p> Signup and view all the answers

Which of the following topics is NOT covered under the Mathematics section?

<p>Process scheduling (C)</p> Signup and view all the answers

Which operation is associated with the Banker’s algorithm?

<p>Deadlock handling (D)</p> Signup and view all the answers

What does the concept of central tendencies in statistics primarily refer to?

<p>Average values in datasets (A)</p> Signup and view all the answers

Which aspect of calculus involves finding the slope of a curve at a point?

<p>Differentiation (B)</p> Signup and view all the answers

What is a key characteristic of a continuous function?

<p>Can be graphed without lifting the pencil (C)</p> Signup and view all the answers

In terms of operating systems, what is meant by concurrency?

<p>Running multiple processes simultaneously (A)</p> Signup and view all the answers

Flashcards

Set

A collection of distinct objects.

Cardinality

The total number of elements in a set.

Union of Sets

The combination of two sets, including all elements from both.

Intersection of Sets

The elements that are common to both sets.

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Probability

The branch of mathematics dealing with the study of random events.

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Average

A measure of the central tendency of a dataset, representing the average value.

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Dependent Events

Two events where the outcome of one affects the other.

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Operating System

The operating system's primary role is to manage the computer's resources, including memory, CPU, and file systems.

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Arrays

A data structure that stores a sequence of elements of the same type, accessible by an index starting from 0. Useful for storing lists of values, like items in a shopping cart.

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Threaded Binary Tree

A binary tree where each node has a left child, a right child, and a thread pointing to the in-order successor.

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Trees

A data structure that organizes elements in a hierarchical structure, with a single root node and branches connecting to child nodes.

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AVL Tree

A type of binary tree that maintains a balanced structure by performing rotations to ensure that the height difference between the left and right subtrees is at most 1.

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Digital Computers

A computer system that uses electronic circuits to perform calculations and process data. Key components include the CPU, memory, and input/output devices.

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Study Notes

Computer Science and Information Technology (SCQP09) Syllabus

  • Exam Structure:
    • 75 questions
    • All questions are compulsory
    • Bilingual (English/Hindi)
    • Subject-Specific Knowledge

Thinking and Decision Making

  • Critical Thinking Skills:
    • Creative thinking, unfamiliar relationships
    • Verbal reasoning, pattern recognition
    • Assessment of figures & diagrams
  • Problem Solving Exercises:
    • Geometrical designs & identification
    • Selection of related letters, words, numbers, or figures
    • Identifying the odd item in a group
    • Completing numerical series based on patterns/logic
    • Filling in blanks in numerical series based on patterns and logic
    • Syllogisms (logic-based questions)
    • Identifying logic and selecting correct answers

Mathematics

  • Set Theory:
    • Sets (union, intersection, cardinality)
    • Elementary counting
    • Permutations and combinations
  • Probability and Statistics:
    • Basic probability concepts
    • Averages
    • Dependent and independent events
    • Frequency distributions
    • Measures of central tendency and dispersion
  • Algebra:
    • Fundamental operations
    • Expansions and factorizations
    • Simultaneous linear/quadratic equations
    • Indices, logarithms
    • Arithmetic, geometric, and harmonic progressions
    • Determinants and matrices
  • Coordinate Geometry:
    • Rectangular Cartesian coordinates
    • Distance formulae
    • Equations of a line and intersection of lines
    • Pair of straight lines
    • Equations of a circle, parabola, ellipse, and hyperbola
  • Calculus:
    • Limits of functions
    • Continuous functions
    • Differentiation of functions, tangents, and normals
    • Simple examples of maxima and minima
    • Integration by parts, substitution, and partial fractions
    • Definite integrals
    • Applications of definite integrals to areas

Computer Science

  • Operating Systems:

    • Main functions of operating systems
    • Processes, threads, and inter-process communication
    • Concurrency and synchronization
    • Deadlock
    • CPU scheduling
    • I/O scheduling and resource scheduling
    • Deadlock handling algorithms (e.g., Banker's algorithm)
    • Memory management and virtual memory
    • File systems
    • I/O systems
    • DOS, UNIX, and Windows
  • Data Structures:

    • Arrays and applications
    • Sparse matrices
    • Stacks, queues, and priority queues
    • Linked lists
    • Trees
    • Binary trees, threaded binary trees, and binary search trees
    • AVL trees, B trees, B+ trees, and B* trees
    • Data structures for sets and graphs
    • Sorting and searching algorithms
    • Hashing
    • Functions, recursion, and parameter passing

Digital Fundamentals

  • Digital Fundamentals:
    • Data types
    • Number systems and conversions
    • Complements
    • Fixed and floating-point representation
    • Error detection codes
    • Computer arithmetic (addition, subtraction, multiplication, division)
    • Digital computers
    • Logic gates and Boolean algebra
    • Map simplifications
    • Combinational circuits
    • Flip-flops and sequential circuits
    • Integrated circuits
    • Decoders, multiplexers, registers, and counters
    • Memory unit

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