Computer Science Basics Quiz

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Questions and Answers

What term describes the technology where instructions are executed by computers rather than manually?

  • Computer forensics
  • Simulation
  • Forecasting
  • Robotics (correct)

Which field of science focuses on creating machines that mimic human intelligence?

  • Quantum computing
  • Nanotechnology
  • Artificial intelligence (AI) (correct)
  • Simulation

What type of computers are engineered to perform complex calculations very quickly?

  • Servers
  • Laptops
  • Supercomputers (correct)
  • Mainframes

What is the correct sequence of the four main functions of a computer?

<p>Input, Process, Output, Storage (C)</p> Signup and view all the answers

How are instructions typically executed in modern computers?

<p>Both sequentially and parallel (A)</p> Signup and view all the answers

Who are credited with designing the first electronic computer, ENIAC?

<p>J. Presper Eckert and John W. Mauchly (D)</p> Signup and view all the answers

While modern computers are reliable, what is one area where they are not considered to be?

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

The IBM-PC launched in 1981 had components from several companies. Which component was NOT mentioned in the text?

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

What is a key advantage of using an Integrated Circuit (IC)?

<p>Exceptionally high dependability (A)</p> Signup and view all the answers

In what year was India's first computer installed, and at which institution?

<p>1955 at the Indian Statistical Institute, Calcutta (D)</p> Signup and view all the answers

Which of the following describes the core function of a microcomputer?

<p>The processing, storage, manipulation, and output of data (A)</p> Signup and view all the answers

Microprocessors used as switching devices belong to which generation of computers?

<p>Fourth Generation (C)</p> Signup and view all the answers

Which generation of computers is currently still experiencing development?

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

Which term best describes a set of instructions that a computer follows?

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

With which generation of computers is Artificial Intelligence most closely associated?

<p>Fifth Generation (C)</p> Signup and view all the answers

The third generation of computers introduced which significant advancement?

<p>An operating system for the first time (C)</p> Signup and view all the answers

Which operation is NOT a core operation performed by a computer?

<p>Physically moving data (A)</p> Signup and view all the answers

Which company is known for being the first to mass-market a microcomputer as a personal computer?

<p>None of these (C)</p> Signup and view all the answers

What is the role of the 'shell' in a computer system?

<p>Translates user input into actions (A)</p> Signup and view all the answers

What does the term 'platform' refer to in the context of computing?

<p>Both the computer hardware and operating system used (D)</p> Signup and view all the answers

Which of the following best describes the core elements of a computer processing system?

<p>Hardware, Software, Information and People (D)</p> Signup and view all the answers

What is the primary function of the memory test during the boot-up process?

<p>Verifies that contiguous memory is functional (C)</p> Signup and view all the answers

According to the context, what does the term 'digital' signify regarding computer information?

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

What is another name for the computer program that manages the core functions of a computer system?

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

What is the name for the automated test that a computer performs when first turned on?

<p>power-on-self-test (B)</p> Signup and view all the answers

Which of the following options is commonly used for accessing a mainframe or supercomputer?

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

What are portable computers that are convenient for travel often called?

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

Which of the following was the first machine to perform a long series of arithmetic and logical operations successfully?

<p>Mark-I (A)</p> Signup and view all the answers

What type of electrical supply do analog computers use?

<p>Continuous electrical pulses (C)</p> Signup and view all the answers

What does a computer's output generally refer to?

<p>What the processor gives to the user (B)</p> Signup and view all the answers

Which of these options is NOT considered a basic function of a computer?

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

What is an essential component for a computer to 'boot' successfully?

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

Which printer type is least suitable for printing on multi-carbon forms?

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

A printer that produces output as a series of data points is a:

<p>Wire matrix printer (A)</p> Signup and view all the answers

Magnetic tape functions primarily as:

<p>Secondary storage media (A)</p> Signup and view all the answers

User programmable terminals with a built-in microprocessor are known as:

<p>Intelligent terminals (D)</p> Signup and view all the answers

Which printer technology is known for producing the highest quality graphics?

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

For interactive processing and single-line data entry, the most widely used input device is the:

<p>Visual display terminal (A)</p> Signup and view all the answers

Which of the following printer types relies mainly on impact technology?

<p>Line printer (D)</p> Signup and view all the answers

Which device is primarily used for producing hard-copy output of large-format designs?

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

Which of the following is a characteristic of an impact printer?

<p>Prints characters by striking an ink ribbon against the paper (C)</p> Signup and view all the answers

Which of the following is NOT a common example of an impact printer?

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

Which of the following is a characteristic of a TFT LCD?

<p>Employs thin-film transistor technology for improved image quality (C)</p> Signup and view all the answers

What is the primary function of the CPU in a computer?

<p>Executing instructions and performing calculations (C)</p> Signup and view all the answers

What is the main difference between CRT and TFT LCD monitors?

<p>CRT monitors use vacuum tubes while TFT LCDs use liquid crystals. (C)</p> Signup and view all the answers

Which of the following describes the process of a computer gathering data?

<p>Allowing users to input information into the system (A)</p> Signup and view all the answers

Which of the following is NOT considered a physical part of a computer?

<p>Operating System (C)</p> Signup and view all the answers

Flashcards

Parallel Processing

A technology where multiple instructions are executed simultaneously rather than sequentially.

Artificial Intelligence (AI)

A science that seeks to create machines that can perform tasks requiring human-like intelligence.

Supercomputers

Specialized computers designed for extremely rapid and complex calculations.

Four Major Functions of Computers

The four primary operations of a computer are Input, Process, Output, and Storage.

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ENIAC

The first electronic computer, designed by J.Presper Eckert and John W. Mauchly.

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IBM-PC

IBM's first personal computer launched in 1981, featuring components from various manufacturers.

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Performance Characteristics of Computers

Modern computers are known for being reliable, fast, and powerful, but not infallible.

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Sequential Processing

A method where instructions are executed one after the other, in a sequence.

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Daisy Wheel Printer

A printer that uses a circular wheel with raised letters to print text on paper.

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Dot Matrix Printer

A printer that creates characters by impacting an inked ribbon against paper using a matrix of dots.

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Laser Printer

A printer that produces high-quality text and graphics by using laser technology to fuse toner onto paper.

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CRT

Cathode Ray Tube, a vacuum tube for viewing images using electron guns and a phosphorescent screen.

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InkJet Printer

A printer that creates images by spraying tiny droplets of liquid ink onto paper.

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TFT LCD

Thin-Film Transistor Liquid-Crystal Display, which enhances image quality using thin-film transistor tech.

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Thermal Printer

A printer that uses heat to transfer ink from a ribbon onto paper or to chemically change the paper color.

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Impact Printer

A printer that prints by striking a print head against an ink ribbon to mark the paper.

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Plotter

A printer that produces high-quality, vector graphics by moving a pen across the surface of the paper.

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User Programmable Terminals

Terminals that allow users to combine VDT hardware with built-in microprocessors for custom tasks.

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Non-Impact Printer

A printer that prints without striking, using techniques like inkjet or laser printing.

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Secondary Storage Media

Media like magnetic tapes or disks that store data permanently, unlike temporary memory.

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CPU

Central Processing Unit, the core electronic circuitry that performs computer operations and instructions.

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Control Unit (CU)

The part of the CPU that directs its operation and coordinates the activities of computer components.

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Boot Routine

A sequence of tests performed by the computer when it starts up, including RAM and disk drive tests.

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Power-On Self-Test (POST)

A diagnostic test the computer conducts to check hardware components upon startup.

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Output

Information that the processor sends to the user after processing input.

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Laptops

Portable computers that provide convenience for users who travel.

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Basic Functions of a Computer

The fundamental tasks which include input acceptance, data processing, and output generation.

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Operating System

Essential software that manages computer hardware and software resources, allowing the computer to boot.

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Analog Computer

A type of computer that works on continuous signals or physical quantities.

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First mass-market microcomputer

The first company to sell microcomputers for personal use.

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IC advantages

The key benefits of Integrated Circuits (ICs) over discrete components.

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Microprocessors and generations

Microprocessors act as switching devices in various generations of computers.

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India's first computer installation

Where and when the first computer in India was installed.

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Artificial Intelligence generation

The generation of computers associated with the growth of AI technology.

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Computer operations

Basic operations performed by computers.

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Fourth Generation of computers

The generation characterized by microprocessors and personal computers.

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Electronic Data Processing

The manipulation of data using electronic means.

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Third generation of computers

These introduced high-level procedural languages and operating systems.

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Elements of computer processing system

Includes Hardware, Software, Information, and People.

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Boot-up memory test

Checks and verifies that memory is installed correctly during startup.

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Program that interprets user input

This is known as the Shell, which processes commands from users.

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Digital information

It refers to data that is discrete, countable, and subdivided into bits.

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Computer hardware

The physical components of a computer system.

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Software

Programs and operating information used by a computer.

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Study Notes

Computer Capsule Study Notes

  • This book contains over 900+ questions on computer concepts, organized by chapter.
  • The index lists the topics covered in each chapter, including their page numbers.
  • The first chapter introduces computer concepts, including generations, basic architecture, and pioneers.
  • The second chapter details the classification of computers (digital, analog, and hybrid) and classifications by size (mainframe, mini, micro, personal computer).
  • Subsequent chapters cover computer memory, computer security, Microsoft Office applications (Word, Excel, PowerPoint), computer terminology, abbreviations, and important computer acronyms.

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