Computer I THS Test - 01

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Questions and Answers

Who is considered as the 'Father of Computer'?

  • Narayan Murthy
  • Tim Berners-Lee
  • Bill Gates
  • Charles Babbage (correct)

Who invented the electronic computer?

  • Thomas Alva Edison
  • Tommy Flowers (correct)
  • Edward Taylor
  • Carl Benz

What will be the penalty for each incorrect answer in the test?

  • 1 mark deducted
  • 0.50 marks deducted
  • No penalty for incorrect answers
  • 0.25 marks deducted (correct)

How many questions are there in the test?

<p>75 questions (A)</p> Signup and view all the answers

How long is the duration of the test?

<p>75 minutes (D)</p> Signup and view all the answers

What function does an assembler perform?

<p>Converts assembly language to machine language (C)</p> Signup and view all the answers

Which communication mode allows data transmission in both directions simultaneously?

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

Which hardware was utilized in first generation computers?

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

Which storage media provides only sequential access?

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

What is the term for temporary memory that compensates for differences in data rates between devices?

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

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Study Notes

General Test Information

  • Duration: 75 minutes
  • Maximum Marks: 75
  • Total Questions: 75
  • Scoring: 1 mark for each correct answer; 0.25 marks deducted for each incorrect answer
  • At the end of the test, correct answers and submitted answers will be displayed

Key Computer Concepts

  • Father of Computer: Charles Babbage is recognized as the father of computer science.
  • Invention of Electronic Computer: Tommy Flowers invented the electronic computer.
  • Function of Assembler: Converts assembly language into machine language.

Communication Modes

  • Full Duplex: Allows data communication in both directions simultaneously.
  • Half Duplex: Supports communication in both directions but not at the same time.
  • Simplex: Permits data flow in one direction only.

Hardware Generations

  • First Generation Hardware: Utilized vacuum tubes.
  • Transistors: Used in the second generation of computers.

Storage Media

  • Sequential Access: Magnetic tape allows only sequential access.
  • Permanent vs Temporary Storage: ROM retains information after shutdown; RAM does not.

Computer Operations

  • I/O Operations: Involves entering data into a program and receiving output.
  • CPU Functions: Often referred to as the brain or processor of the computer, responsible for executing instructions.

Computer Components

  • Physical Components: Known as hardware, including CPU, memory units like ALU.
  • Device Types: Speakers and headphones are output devices; digital cameras are input devices.

Software and Commands

  • Basic Input Devices: Commonly include keyboard and mouse.
  • Command Definitions: A command is a set of instructions given to the computer.

Computer Memory

  • Smallest Unit: The smallest unit of data in a computer is a bit.
  • Temporary Output: Soft copy refers to temporary outputs displayed on screens.

Other Key Terms

  • USB: Stands for Universal Serial Bus.
  • GNU Operating System: Significant in open-source discussions; details on this need careful review for correctness.

Applications of Computers

  • Hospital Usage: Computers are used for diagnosing, admitting, and maintaining patient records.
  • Robotics Utilization: Primarily used in manufacturing and related fields for automation.

Additional Computer Science Concepts

  • BIOS Role: Critical for initializing hardware during the booting process.
  • Storage Devices: Hard Disk Drives exemplify magnetic storage devices.
  • Operating Systems: DOS supports only one program at a time.

These notes encapsulate essential facts about computer fundamentals, hardware, software, and applications, catering to students preparing for a computer test.

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