Computer Components and Connectivity
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Questions and Answers

What does a serial port connect to?

Peripheral devices

What is the purpose of the CPU in a computer?

Processes instructions from software and performs calculations

What does Memory (RAM) provide in a computer?

Temporary storage

What is the function of an Operating System?

<p>Manages all hardware components and allows applications to run</p> Signup and view all the answers

What does a Network Interface Card (NIC) do?

<p>Connects a computer to a network using a network cable</p> Signup and view all the answers

What type of devices do input devices allow the user to enter?

<p>Data</p> Signup and view all the answers

What are the long-term storage devices in a computer called?

<p>HDD and SSD</p> Signup and view all the answers

Which of the following is a capability of computers? (Select all that apply)

<p>Accuracy (A), Reliability (D)</p> Signup and view all the answers

Computers can autonomously execute tasks without human intervention.

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

What is a limitation of computers regarding decision-making?

<p>Lack of decision-making ability</p> Signup and view all the answers

What connects millions of computers and allows them to communicate?

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

Flashcards

CPU

The brain of a computer, responsible for processing instructions and performing calculations.

RAM

Temporary computer memory that stores data and programs currently being used.

Storage (HDD/SSD)

Permanent memory for storing data, programs, and operating systems.

Serial Port

A connection for peripheral devices, one bit at a time.

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Parallel Port

Connection sending multiple bits at once for peripherals.

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USB

A common connection standard for many devices to a computer.

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SCSI

Connects hard drives, tape drives to a computer.

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Adapter Card

Adds features or replaces a malfunctioning port for devices.

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NIC

Connects a computer to a network cable.

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Wireless NIC

Connects to a network via radio waves.

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Sound Adapter

Provides sound output.

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Video Adapter

Provides visual output.

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Capture Card

Records video signals from external sources.

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TV Tuner Card

Watches and records TV on a computer.

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Modem

Connects to the internet using a phone line.

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Computer Accuracy

Computers perform calculations with high precision.

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Computer Reliability

Computers perform tasks without needing motivation.

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Computer Storage

Computers can store data for future use.

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Computer Adaptability

Computers can perform various tasks, like specialist jobs.

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Computer Speed

Computers complete tasks much quicker than humans.

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Computer Limitations: IQ

Computers cannot perform actions not pre-programmed.

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Computer Limitations: Emotions

Computers lack feelings and emotional intelligence.

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Computer Limitations: Decisions

Computers cannot make decisions autonomously.

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Computer Limitations: Common Sense

Computers lack common sense.

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Computer Limitations: Autonomous Tasks

Computers depend on programming to do tasks.

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Computer Dependence on Humans

The need for human input to operate.

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CPU function

Processes instructions, performs calculations, controls other components.

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RAM function

Temporary storage for active data and programs, enabling quick access.

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HDD/SSD function

Long-term storage for data, programs, and operating systems.

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Serial Port

Connects computer to devices one bit at a time.

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Parallel Port

Connects computer to devices sending multiple bits at once.

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USB

Universal connection for devices, very common.

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SCSI Adapter

Connects specialised devices like high-capacity drives.

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Adapter Cards

Add or replace controllers for specific devices.

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NIC function

Connects a computer to a network via a cable.

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Wireless NIC

Connects computer to a network using radio waves.

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Sound Adapter

Provides audio capability for computer.

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Video Adapter

Provides graphical output to a display.

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Capture Card

Records video signals to computer storage.

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TV Tuner Card

Captures and records TV signals on a computer.

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Modem Adapter

Connects computer to internet using phone lines.

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Computer Accuracy

Computers calculate values quickly and precisely.

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Computer Reliability

Computers perform tasks without needing motivation.

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Computer Storage

Computers save data for later access.

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Computer Adaptability

Computers capable of replacing many jobs due to versatile functions.

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Computer Speed

Computers complete tasks much faster than humans.

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Computer Limitations (IQ)

Computers lack innate intelligence and cannot act without programming or environment triggers.

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Computer Feelings/Emotions

Computers do not possess human-like feelings and emotions.

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Computer Decisions

Computers make decisions based on programmed instructions.

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Computer Common Sense

Computers operate based solely on input instructions or logics, lacking human common sense.

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Computer tasks without automation

Tasks requiring rules and policies set and enforced by a human cannot be completed by computers without explicit instructions.

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Study Notes

Computer Components

  • A computer is an electronic device that manages, stores, processes and retrieves information (data).
  • The Central Processing Unit (CPU) processes instructions from software and performs calculations to carry out tasks. It controls all other components in the system.
  • Random Access Memory (RAM) is a temporary storage that holds data and programs currently used. It enables quick access, speeding up tasks like opening applications.
  • Hard Disk Drive (HDD) or Solid State Drive (SSD) provide long-term storage for data, programs, and operating systems.

Connecting Devices

  • Serial Port connects a computer to peripheral devices.
  • Parallel Port connects a computer to peripheral devices.
  • Universal Serial Bus (USB) connects a computer to peripheral devices.
  • Small Computer System Interface (SCSI) adapter connects SCSI devices, such as hard drives or tape drives to a computer.
  • Adapter Cards add controllers for specific devices or replace malfunctioning ports.
  • Network Interface Card (NIC) connects a computer to a network using a network cable.
  • Wireless NIC connects a computer to a network using radio frequencies.
  • Sound Adapter provides audio capability.
  • Video Adapter provides graphic capability.
  • Capture card sends video signals to a computer to record them to the computer's hard drive with video capture software.
  • TV Tuner card allows watching and recording television signals on a PC by connecting a cable television, satellite, or antenna to the installed tuner card.
  • Modem adapter connects a computer to the internet using a phone line.

Computer Capabilities

  • Computers boast accuracy as they calculate numbers and values quickly and accurately.
  • Reliability is another key feature as computers do not need any motivation to perform tasks.
  • Storage is a crucial aspect, as computers can store data for future access.
  • Adaptability allows them to replace various specialist jobs due to their flexibility.
  • Speed is a significant advantage as computers complete tasks much faster than humans.

Computer Limitations

  • Computers lack IQ - they are incapable of performing actions that are not pre-programmed or influenced by their environment.
  • Computers have no feelings/emotional intelligence. They are programmed to follow specific instructions and do not exhibit human-like emotions.
  • Computers cannot make decisions autonomously. They operate based on instructions and codes and cannot distinguish between right and wrong, good and bad.
  • Computers lack common sense. They operate solely on stored programs or logics.
  • Computers cannot implement tasks autonomously. Only humans can establish and enforce rules and policies for them.
  • Computers are dependent on human interaction. They rely on humans to perform tasks and create programs.

System Components

  • A computer system consists of hardware and software.
  • Hardware refers to the physical aspects of the computer.
  • Software represents a set of program instructions that tell the computer how to operate.

Networks

  • Local Area Network (LAN) connects computers and devices within a small geographic area.
  • The internet is a network connecting millions of computers, allowing communication and information sharing.

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Introduction to Computing PDF

Description

This quiz covers essential computer components including the CPU, RAM, and storage devices like HDD and SSD. Additionally, it explores different connection types for peripheral devices, such as USB and SCSI. Test your knowledge on how these elements work together to form a functioning computer system.

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