Computer I THS Test

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.

Description

This quiz consists of 75 questions designed to assess your knowledge in Computer Science at the introductory level. You have 75 minutes to complete the test, covering various fundamental topics. Prepare to test your skills and understanding in this pivotal subject area.