Occupational Health & Safety Quiz
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Questions and Answers

What is the primary purpose of electrical hazard boots?

  • To prevent slips and falls on surfaces
  • To provide insulation from electricity (correct)
  • To protect respiratory health
  • To protect against chemical spills

Which type of mask offers the highest level of filtration efficiency?

  • Disposable masks
  • Surgical masks
  • N95 respirators (correct)
  • Cotton face coverings

What is a key practice for workers in the Computer System Servicing (CSS) field?

  • Grounding when handling hardware (correct)
  • Wearing regular clothing
  • Ignoring ergonomic practices
  • Using manual tools exclusively

What should be included in emergency preparedness plans?

<p>Clear procedures for different emergencies (B)</p> Signup and view all the answers

Which practice helps prevent musculoskeletal disorders?

<p>Following ergonomic practices (C)</p> Signup and view all the answers

What is a requirement for legal compliance in occupational health and safety (OHS)?

<p>Adhering to OHS regulations (C)</p> Signup and view all the answers

Which of the following tasks is commonly performed by the Arithmetic Logic Unit (ALU)?

<p>Performing arithmetic operations (A)</p> Signup and view all the answers

When dealing with potentially hazardous chemicals, what should workers use?

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

What is the voltage requirement for DDR3 memory?

<p>1.5V (A)</p> Signup and view all the answers

Which generation of DDR memory introduced a prefetch width of 32 bits?

<p>DDR5 (B)</p> Signup and view all the answers

What is the key limitation of FPM DRAM?

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

Which type of DRAM was the standard for PCs in the 2010s?

<p>DDR3 (B)</p> Signup and view all the answers

What is a notable feature of DDR4 memory compared to its predecessors?

<p>Enhanced memory density (A)</p> Signup and view all the answers

What is the maximum data rate range of DDR2 memory?

<p>400–800 MT/s (D)</p> Signup and view all the answers

Which type of DRAM uses pipelined architecture for parallel operations?

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

What is the data rate range for DDR4 memory?

<p>1600–3200 MT/s (B)</p> Signup and view all the answers

What is the primary purpose of PCIe slots?

<p>To install expansion cards. (D)</p> Signup and view all the answers

Which of the following is NOT a type of connector found on modern motherboards?

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

What does the BIOS/UEFI chip primarily store?

<p>Firmware for hardware initialization. (A)</p> Signup and view all the answers

Which power connector supplies power specifically to the CPU?

<p>8-pin/4-pin CPU Power Connector. (A)</p> Signup and view all the answers

What feature distinguishes integrated graphics output ports?

<p>They are used for connecting monitors if the CPU includes integrated graphics. (B)</p> Signup and view all the answers

What is the primary function of the CMOS battery on a motherboard?

<p>To keep the system clock running. (B)</p> Signup and view all the answers

Which of the following describes the Southbridge in modern systems?

<p>It is still present but connected to the CPU. (A)</p> Signup and view all the answers

What is a feature of AMD processors like the Ryzen and Athlon series?

<p>They are known for performance advancements and integrated graphics capabilities. (A)</p> Signup and view all the answers

What is the primary role of a chipset in a computer system?

<p>To manage communication between the CPU and other components (C)</p> Signup and view all the answers

Which of the following correctly describes the Northbridge component?

<p>Facilitates communication with high-speed components like RAM and GPU (B)</p> Signup and view all the answers

What is the Southbridge primarily responsible for?

<p>Managing I/O operations and low-speed components (A)</p> Signup and view all the answers

Which of these components are connected to the Northbridge?

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

What do the DIMM slots on a motherboard hold?

<p>System’s RAM modules (B)</p> Signup and view all the answers

What type of memory can be supported by DIMM slots?

<p>DDR4 or DDR5 memory (C)</p> Signup and view all the answers

Which of the following is NOT a function of the chipset?

<p>Overseeing the software applications running on the OS (C)</p> Signup and view all the answers

Which component is responsible for handling low-speed components like USB devices?

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

What is the primary function of the Control Unit (CU) in the CPU?

<p>Directs operations within the CPU (A)</p> Signup and view all the answers

What purpose does the Clock serve in the CPU?

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

Which architecture forms the foundation of most modern computer systems?

<p>Von Neumann Architecture (B)</p> Signup and view all the answers

What is the role of the Cache in the CPU?

<p>Stores frequently accessed data (D)</p> Signup and view all the answers

What is transferred by the Address bus in a computer system?

<p>Information about where data should go (D)</p> Signup and view all the answers

In the Fetch-Execute Cycle, what occurs during the Decode phase?

<p>The instruction is interpreted (A)</p> Signup and view all the answers

Which component acts as the main control unit for the computer system?

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

What defines the number of cycles the CPU performs per second?

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

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

<p>To provide temporary storage for the OS and programs (C)</p> Signup and view all the answers

Which type of RAM module is specifically designed for compact devices like laptops?

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

Which of the following is not a typical clock speed feature of RAM?

<p>Consistent across all types of RAM (D)</p> Signup and view all the answers

What is the primary function of the ALU within the CPU?

<p>Executes arithmetic and logical operations (C)</p> Signup and view all the answers

Which generation of DDR RAM supports data rates between 200–400 MT/s?

<p>DDR1 (C)</p> Signup and view all the answers

What distinguishes LODIMM from DIMM?

<p>LODIMM is suitable for devices with higher performance needs. (D)</p> Signup and view all the answers

What is the maximum capacity per module for DDR5 RAM?

<p>128GB (A)</p> Signup and view all the answers

Which of the following is NOT a typical pin configuration for DIMM modules?

<p>344 pins (A)</p> Signup and view all the answers

<h1>=</h1> <h1>=</h1> Signup and view all the answers

Flashcards

What is the CPU?

The central processing unit (CPU) is the brains of a computer. It's responsible for executing instructions and processing data.

Control Unit

The control unit manages the flow of data between different components of the CPU, ensuring everything works together smoothly.

Arithmetic Logic Unit (ALU)

The arithmetic logic unit (ALU) performs calculations like addition, subtraction, and logical operations like AND, OR, and NOT.

What are OHS Standards?

Occupational Health and Safety (OHS) standards are guidelines and regulations designed to protect workers from hazards in the workplace.

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Risk Assessment

Risk assessment is a crucial step in OHS. It involves identifying potential hazards and assessing the likelihood and severity of their occurrence.

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Emergency Preparedness

Emergency preparedness is essential for a safe workplace. It involves establishing procedures for responding to fire, medical emergencies, and other crises.

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Legal Compliance in OHS

Legal compliance in OHS involves adhering to government-mandated regulations and standards, ensuring a workplace meets legal requirements.

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Face Masks or Respirators

Face masks or respirators protect respiratory health by filtering out harmful particles, fumes, or infectious agents. Different types offer varying levels of protection.

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CPU

The 'brain' of a computer, responsible for processing information.

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Registers

Temporary high-speed storage inside the CPU that holds data and instructions during processing.

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Cache

High-speed memory within the CPU that stores frequently accessed data to reduce processing time.

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Control Unit (CU)

Part of the CPU that manages the flow of instructions. It interprets and executes instructions, directing all operations within the CPU.

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Fetch-Execute Cycle

The process the CPU uses to execute instructions, involving fetching, decoding, and executing each instruction.

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Computer Architecture

The design of a computer system, focusing on its components and how they interact.

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Von Neumann Architecture

A foundational computer architecture used by most modern computers, featuring CPU, memory, input/output devices.

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Buses

Electrical pathways inside a computer that transmit data between components.

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DIMM (Dual Inline Memory Module)

A type of RAM module common in desktops, available in various pin configurations (168, 184, 240, and 288).

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SODIMM (Small Outline DIMM)

A compact RAM module designed for laptops and small devices. It features fewer pins and a smaller size compared to DIMMs.

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LODIMM (Long Outline DIMM)

A larger RAM module typically used in desktops and high-performance systems. It provides increased capacity and performance.

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RAM (Random Access Memory)

Hardware that provides temporary storage for the operating system, software programs, and data.

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Clockspeed (RAM)

The base speed of memory chips, measured in MT/s (Million Transfers per Second).

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Frequency (RAM)

The operational speed of memory, tied to the system clock.

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Capacity (RAM)

The maximum size of a single RAM module, typically expressed in GB (Gigabytes).

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DDR (Double Data Rate)

A technology that doubles the clock speed to enhance data transfer rates.

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Chipset

A collection of electronic components that manage data flow between critical parts of a computer, like the CPU, GPU, RAM, storage, and peripherals.

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Chipset's Role

The chipset manages communication between the CPU and other motherboard components, ensuring they work together.

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Northbridge

The Northbridge is responsible for high-speed components like the CPU, RAM, and GPU. It handles the most demanding tasks.

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Southbridge

The Southbridge, also called I/O Controller Hub, manages low-speed components like storage, USB ports, and networking.

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Motherboard

The motherboard is the main board that holds all the components together, allowing them to communicate with each other.

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Memory Slots (DIMM Slots)

DIMM slots are used to install RAM modules, enabling the computer to store information temporarily.

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Motherboard Platforms: AMD and Intel

AMD and Intel are two primary platforms for building computer motherboards, each with its own unique designs and features.

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RAM Types (DDR4, DDR5)

DDR4 and DDR5 are different types of RAM, offering varying speeds and performance.

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FPM DRAM

A type of SDRAM (Synchronous Dynamic Random Access Memory) that operates asynchronously, meaning it is not synchronized with the system clock. It's known for sequential memory access and offers improved performance over traditional DRAM.

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EDO DRAM

A type of SDRAM that operates asynchronously, but offers enhanced performance by allowing concurrent read and write operations. It improves upon FPM DRAM by enabling simultaneous data transfer.

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SDRAM

A type of SDRAM that fully synchronizes with the system clock, offering significant performance improvements. It enables pipelined operations for parallel processing and higher speeds.

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DDR SDRAM

DDR SDRAM (Double Data Rate SDRAM) is a type of SDRAM that transfers data twice per clock cycle, effectively doubling the data transfer rate compared to conventional SDRAM. It introduces new features and improvements over previous SDRAM generations.

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DDR2 SDRAM

DDR2 SDRAM is the second generation of DDR SDRAM, offering improvements like faster data rates, lower voltage requirements, and greater power efficiency compared to DDR1. It became widely adopted due to its performance benefits.

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DDR3 SDRAM

DDR3 SDRAM is the third generation of DDR SDRAM, boasting even higher data transfer rates, lower voltage consumption, and enhanced memory density. It became a standard for PCs in the 2010s due to its superior performance and efficiency.

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DDR4 SDRAM

DDR4 SDRAM, the fourth generation of DDR SDRAM, introduces even faster data rates, lower voltage requirements, increased memory density, and error correction features. It remains a popular choice for high-performance computing due to its advanced capabilities.

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DDR5 SDRAM

DDR5 SDRAM is the latest generation of DDR SDRAM, featuring the highest data transfer rates, reduced voltage consumption, increased capacity, and improved power efficiency. It's designed for demanding applications requiring maximum performance and efficiency.

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PCIe Slot

A slot on the motherboard that provides a high-speed connection for expansion cards such as graphics cards, sound cards, and network cards.

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SATA Port

A type of storage connector on the motherboard used primarily for traditional hard drives (HDDs) and solid-state drives (SSDs).

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M.2 Slot

A high-speed slot on the motherboard used specifically for NVMe SSDs, offering significantly faster data transfer rates than SATA.

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BIOS/UEFI Chip

A small, non-volatile memory chip on the motherboard responsible for storing the firmware that controls the startup process of the computer.

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24-pin ATX Power Connector

A connector on the motherboard that provides the primary power source for various components.

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8-pin/4-pin CPU Power Connector

A connector on the motherboard that provides a dedicated power source directly to the CPU, ensuring sufficient power for its demanding processing needs.

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I/O Ports

External ports on the back panel of the motherboard that connect to external peripherals such as USB drives, monitors, and keyboards.

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Cooling and Fan Headers

Connectors on the motherboard designed to connect cooling solutions like CPU coolers and case fans to regulate temperature.

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Study Notes

Occupational Health and Safety (OHS) Standards

  • OHS is a framework ensuring worker well-being, safety, and protection in various environments.
  • OHS standards in Computer System Servicing (CSS) ensure individuals are adequately protected from potential hazards.
  • Standards cover personal protective equipment (PPE), safety protocols, and hazard-free work areas.

Essential Protective Equipment

  • Gloves: Protect hands from cuts, abrasions, and chemical burns.
    • Types include nitrile, latex (flexible and sensitive), and leather (protection from mechanical hazards).
  • Eye Protection: Safeguards eyes from debris, splashes, and radiation.
    • Types include safety goggles (full eye coverage), and face shields (extended face and eye protection).
  • Hearing Protection: Prevents hearing damage from loud noise.
    • Types include earplugs (inserted into the ear canal), and earmuffs (covering the entire ear).
  • Anti-static Equipment: Prevents electrostatic discharge (ESD), protecting sensitive electronic components.
    • Types include anti-static wrist straps, anti-static mats, and grounding devices.

Applications in Computer System Servicing (CSS)

  • CSS tasks expose workers to electrical, physical, and chemical hazards.
  • Key practices include ensuring proper grounding during hardware handling.

Core Principles of OHS Standards

  • Risk Assessment: Identifying and evaluating potential workplace hazards and implementing measures to mitigate risks.
  • Safety Training: Educating workers on proper PPE use and safety protocols.
  • Workplace Maintenance: Maintaining a clean, organized environment free of hazards.
  • Emergency Preparedness: Establishing procedures for emergencies, like fire, medical, and other crises.
  • Legal Compliance: Adhering to governmental OHS regulations and standards, properly documenting activities.

Computer Architecture and Function

  • CPU (Central Processing Unit): The "brain" of the computer, interpreting and executing instructions, acting as the main control unit.
  • ALU (Arithmetic Logic Unit): Performs arithmetic and logical operations.
  • Registers: Temporary, high-speed storage holding data during processing.
  • Cache: High-speed memory storing frequently accessed data for reduced latency.
  • Clock: Synchronizes CPU operations, defining the number of cycles the CPU performs per second.
  • Buses: Electrical pathways for data transmission between CPU components.

RAM (Random Access Memory)

  • Provides temporary storage for operating systems, software, and data in use.
  • Ensures quick access for the processor, enhancing system performance.
  • Key features include clock speed, and frequency.
  • Types include FPM, EDO, and SDRAM (Synchronous DRAM)

Motherboard Components

  • CPU Socket: Holds the CPU in place.
  • Chipsets: Manage communication between CPU and other motherboard components (split into Northbridge and Southbridge).
  • Memory Slots (DIMM): Hold RAM modules.

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Description

Test your knowledge on key practices in occupational health and safety, electrical hazards, and memory technology. This quiz covers essential topics including safety gear, emergency plans, and various types of DRAM used in computing. See how well you understand the measures required to ensure workplace safety and compliance.

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