TLE 9 Computer Systems Components Quiz

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Questions and Answers

What is the primary purpose of memory in a computer?

  • To permanently store all files
  • To run software applications solely
  • To process instructions only
  • To hold data temporarily and process information (correct)

Which unit is typically used to measure storage capacity in computers?

  • Hertz
  • Gigabytes (correct)
  • Frames
  • Pixels

Why is it important to back up files?

  • To ensure data is available in case of hardware failure (correct)
  • To avoid software updates
  • To free up space on the computer
  • To increase computer processing speed

Which type of memory is used in solid-state storage devices?

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

What defines a memory stick's characteristics?

<p>It has a USB interface and is non-volatile. (A)</p> Signup and view all the answers

Which statement best describes volatile memory?

<p>It loses the stored information when the power is turned off (B)</p> Signup and view all the answers

What role does a CPU play in a computer system?

<p>It carries out the instructions of a computer program. (C)</p> Signup and view all the answers

Which of the following is NOT a type of memory component in a computer?

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

How is CPU clock speed measured?

<p>In cycles per second, or Hertz. (A)</p> Signup and view all the answers

What does a higher measurement in gigahertz (GHz) indicate about a processor?

<p>Faster processing speed (C)</p> Signup and view all the answers

Which of these factors is critical in determining computer capacity?

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

What is a key feature of a memory card compared to other storage devices?

<p>It is commonly used in portable devices. (A)</p> Signup and view all the answers

What distinguishes volatile memory from non-volatile memory?

<p>Volatile memory loses its data when the power is off. (C)</p> Signup and view all the answers

What is the main consequence of failing to back up data regularly?

<p>Permanent loss of important files (C)</p> Signup and view all the answers

What is the function of a video card in a computer system?

<p>To enhance image quality on displays. (A)</p> Signup and view all the answers

What measure represents a CPU's ability to execute instructions in a second?

<p>Clock speed. (C)</p> Signup and view all the answers

What is the primary purpose of a GPU in a computer system?

<p>Performing calculations for graphics rendering (D)</p> Signup and view all the answers

How is the performance of a video card typically measured?

<p>In frames per second (D)</p> Signup and view all the answers

Which component is considered volatile memory?

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

Which of the following correctly describes non-volatile memory?

<p>It retains data permanently without power (C)</p> Signup and view all the answers

What is a common unit of measurement for storage capacity?

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

Why is data backup considered important?

<p>It prevents loss of information (C)</p> Signup and view all the answers

Which component is essential for executing application instructions?

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

For optimal performance in fast-action games, what is the minimum frame rate recommended?

<p>60 FPS (A)</p> Signup and view all the answers

Flashcards

GPU

A computer component designed for graphic rendering, performing complex mathematical and geometric calculations.

Frame Rate

The number of complete images displayed per second, measured in FPS (frames per second).

FPS

Frames per second; a measurement of a video or game's frame rate.

Computer Component Measurement

Evaluating the performance of computer parts like memory and video cards, usually expressed in bytes and/or frames per second.

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Memory capacity

Amount of data that a computer's memory can store, measured in bytes (or Gigabytes, etc.).

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Video Card

A computer component responsible for displaying graphics; also called a Graphics Card.

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CPU

Central Processing Unit; the primary component that executes instructions in a computer.

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Frame rate significance

Smooth animation and scrolling in video games or graphics require a frame rate of at least 60 FPS to appear well.

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Mensuration

The process of measuring computer components and objects to determine their specifications and capacity.

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Memory in Computing

The working storage space in a computer that holds data, instructions, and processed information.

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Types of Memory

There are two main types of memory: primary memory (RAM) and secondary memory (hard drive).

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Primary Memory (RAM)

The main memory that the CPU directly accesses for data and instructions, known for its speed.

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Secondary Memory

Stores data and programs permanently, slower than RAM, and examples include hard drives and SSDs.

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Memory Measurement

Memory is measured in bytes, with larger units like kilobytes, megabytes, gigabytes, and terabytes.

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Processor Speed

The speed of the CPU, measured in Hertz (Hz), typically in Gigahertz (GHz)

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Storage Capacity

The total disk space available for storing data and programs.

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Flash Memory

A type of non-volatile memory used in solid-state storage devices like thumb drives and memory cards. It retains data even when power is off.

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Solid-State Storage

Storage devices that use flash memory to store data, like memory sticks and memory cards. They are known for being fast, durable, and compact.

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Memory Stick

A small, portable storage device with flash memory that plugs into a USB port, allowing data transfer between devices.

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Memory Card

A removable storage device that uses flash memory, typically found in cameras, phones, and other portable devices. It stores photos, videos, and other files.

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Smart Card

A plastic card with embedded computer chips, used for various purposes like credit cards, door access, and satellite TV.

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Clock Speed

The speed at which a CPU can execute instructions, measured in cycles per second (Hertz). Higher clock speed means faster processing.

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Study Notes

T.L.E. 9 Computer Systems Servicing

  • Course Level: Grade 9
  • Subject: Technology and Livelihood Education (TLE)
  • Module: Quarter 2, Module 1, Types of Components and Objects to be Measured
  • Government Property: Material is not for sale
  • Curriculum: K to 12, using the Most Essential Learning Competencies (MELC)
  • Learning Resources: Self-Learning Modules, online resources, and various storage devices
  • Learning Competencies: Communication, Collaboration, Creativity, Critical Thinking, Character
  • Target Audience: Learners guided by educators
  • Learning Goal: Understanding the types of computer components and measuring their objects, appreciating the importance of knowing them.

Types of Components and Objects

  • Memory (RAM): Temporary storage of instructions and data, volatile (lost when power is off).

    • Measured in Megabytes (MB) and Gigabytes (GB)

  • Read-Only Memory (ROM): Non-volatile, data remains even without power. Used for firmware.

  • Data Storage Capacity: Measures the capacity of data storage devices.

    • Measured in Kilobytes (KB), Megabytes (MB), Gigabytes (GB), and Terabytes (TB)

  • Magnetic Storage: Stores data magnetically in tiny dots.

    • Hard Drives: High capacity, random access for large files like videos.
    • Portable Hard Drives: External storage, connected via USB
    • Magnetic Tapes: Thin, magnetizable coating on a plastic strip

  • Optical Storage: Stores data optically.

    • Compact Discs (CDs, CD-ROMs): Read-only, holds around 800MB.
    • Digital Versatile Discs (DVDs, DVD-ROMs): 4.7 GB of data. Used for high-quality video.
    • Blu-ray Discs: High-capacity, up to 25-50 GB. Replacement for DVDs.
    • High-Density DVDs: Holds around 15 GB

  • Solid-State Storage: No moving parts. Stores data using flash memory.

    • Memory sticks / Thumb drives / Flash drives: Portable, non-volatile.
    • Smart cards: Plastic cards with microchip. Often used for access control, etc.

  • Processor (CPU): The "brain" of the computer, executing instructions. Speed is measured in Hertz (Hz), typically GHz.

  • Video Card: Enhances image quality, used for display. Performance measured in Frames Per Second (FPS).

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