Computer Science and IT Quiz SCQP09
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Questions and Answers

What is the primary purpose of the banker’s algorithm?

  • To enhance network security
  • To manage file system permissions
  • To optimize database queries
  • To prevent deadlock in resource allocation (correct)

In the context of operating systems, what is the significance of interprocess communication (IPC)?

  • It allows for external applications to access system resources.
  • It is a technique for loading the operating system into memory.
  • It manages the user interface of an operating system.
  • It enables processes to exchange data and synchronize their actions. (correct)

Which data structure is primarily used to implement a priority queue?

  • Linked List
  • Binary Tree
  • Heap (correct)
  • Array

What is the main function of a router in a network?

<p>To direct data packets between different networks (A)</p> Signup and view all the answers

In the context of databases, what does normalization primarily reduce?

<p>Redundancy and dependency of data (B)</p> Signup and view all the answers

Which of the following protocols is used to retrieve emails from a server?

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

Which layer of the OSI model is responsible for end-to-end communication?

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

What characterizes an Object-Relational Database Management System (ORDBMS)?

<p>It combines features of relational databases with object-oriented programming. (B)</p> Signup and view all the answers

What is the primary focus of the section on Thinking and Decision Making?

<p>Creative thinking and pattern recognition (A)</p> Signup and view all the answers

Which mathematical concept deals with the study of sets and their relationships?

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

In probability, what distinguishes dependent events from independent events?

<p>Whether one event affects the other (C)</p> Signup and view all the answers

What primary skill is assessed through identifying odd items in a group?

<p>Pattern identification (C)</p> Signup and view all the answers

Which type of mathematical progression is NOT mentioned in the syllabus?

<p>Quadratic progression (A)</p> Signup and view all the answers

What does the distance formula in Coordinate Geometry calculate?

<p>The distance between two points (C)</p> Signup and view all the answers

What is the main purpose of studying measures of central tendencies in statistics?

<p>To describe the data set's average value (A)</p> Signup and view all the answers

Which mathematical operation is involved in finding maxima and minima of functions?

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

Flashcards

Set Theory: What are Sets?

A collection of distinct objects. Examples: set of even numbers, set of vowels.

Set Theory: Union

Two sets combined, including all elements of both sets.

Set Theory: Intersection

The elements common to both sets.

Set Theory: Cardinality

Number of elements in a set.

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Probability: Basic Concept

The chance of an event happening. Calculated as favorable outcomes divided by total possible outcomes.

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Statistics: Measures of Central Tendencies

A measure of the 'center' of a dataset. Includes mean, median, and mode.

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Statistics: Measures of Dispersions

The spread or variability of data. Includes range, variance, and standard deviation.

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Algebra: Definition

The study of manipulating and solving equations involving variables.

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Integration by Parts

A method of integrating functions using the product rule of differentiation in reverse. It is used when the integrand can be expressed as a product of two functions.

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Integration by Substitution

A method of integrating functions by substituting a new variable for a part of the integrand. This simplifies the integral and allows for easier integration.

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Integration by Partial Fractions

A method of integrating functions using a series of fractions. This involves breaking down the integrand into a sum of simpler fractions which can be integrated individually. It is frequently used on integrands with rational expressions.

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Definite Integrals

Integrals defined with upper and lower limits of integration. They represent the area bounded by a curve, the x-axis, and two vertical lines. The values of the definite integral is often interpreted as the accumulated change of a function.

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Applications of Definite Integrals

The process of using definite integrals to find the area of specific regions enclosed by curves and lines. This involves setting up the integral with appropriate limits and evaluating it.

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Operating System

A software program that manages the hardware and software resources of a computer system. It provides an interface between the user and the hardware, manages memory and processes, and provides services like file management and network access.

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Process

A unit of activity that can be independently scheduled and executed by the operating system. Each process encapsulates a program, its data, and the resources it requires.

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Thread

A division of a process that allows multiple activities to be run concurrently within a single process, enabling more efficient use of resources.

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Study Notes

Computer Science and Information Technology (SCQP09) Syllabus

  • Question Paper Structure: The exam will have 75 questions, all compulsory, and based on subject-specific knowledge. Questions will be bilingual (English/Hindi).

Thinking and Decision Making

  • Creative Thinking: Analyze unfamiliar relationships, find patterns, and assess figures/diagrams.
  • Geometric Designs: Identification is a key skill.
  • Related Words/Letters/Numbers: Select and identify related items.
  • Identifying Odd Items: Determine which item in a group doesn't belong.
  • Numerical Series Completion: Complete series based on patterns and numerical logic
  • Syllogisms: Logic-based identification of correct answers

Mathematics

  • Set Theory: Concepts like union, intersection, cardinality, elementary counting; permutations, combinations, probability
  • Probability and Statistics: Basic probability concepts, averages, dependent/independent events, measures of central tendencies (averages), dispersions (variability)
  • Algebra: Fundamental operations, expansions, factorization, simultaneous linear/quadratic equations, indices, logarithms, arithmetic, geometric, and harmonic progressions, determinants, matrices
  • Coordinate Geometry: Rectangular coordinates, distance formulas, lines, circles, parabolas, ellipses, hyperbolas
  • Calculus: Limits, continuous functions, differentiation, tangents, normals, maxima/minima, integration (by parts, substitution, partial fractions), definite integrals, and area applications

Computer Science

  • Operating Systems: Main functions, processes, threads, interprocess communication, synchronization, deadlock (banker's algorithm), CPU/I/O/resource scheduling.
  • Memory Management: Memory management with virtual memory
  • File Systems: File systems, input/output (I/O) systems, DOS, UNIX, Windows
  • Computer Networks: OSI model, TCP/IP model, LAN technologies (Ethernet, Token ring), transmission media, flow control, error control, routing algorithms, congestion control, application-layer protocols.
  • Networking: IP (v4) protocol, application layer protocols (ICMP, DNS, SMTP, POP, FTP, HTTP), switching/hubs/bridges/routers/gateways, virtual circuits, firewalls, cryptography (public/secret key), domain name system (DNS), electronic mail (email), and World Wide Web (WWW)

Database Management System (DBMS)

  • DBMS Concepts: Data models, schemas, instances, three-schema architecture, data independence, database languages, interfaces, centralized/client-server architectures.
  • Functional Dependencies and Normalization: Algorithms for query processing, optimization, transaction processing, concurrency control techniques, database recovery, object/object-relational databases, security/authorization
  • Relational Databases: Entity-relationship diagrams, relational model, constraints, languages, design, programming, relational database schemas, update operations, dealing with constraint violations, relational algebra, relational calculus, Codd Rules
  • Data Structures: Arrays; sparse matrix, stacks, queues, priority queues, linked lists, trees, forests, binary trees, threaded binary trees, binary search trees, AVL trees, B trees, B+ trees, B* trees, data structures for sets, graphs, sorting, searching, hashing, functions, recursion, parameter passing, definitions of data structures.

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Test your knowledge on the Computer Science and Information Technology syllabus focused on Thinking and Decision Making as well as Mathematics. This quiz covers creative thinking, geometric designs, set theory, and basic probability. Challenge your understanding with 75 compulsory bilingual questions!

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