< Computer Support < Objectives

Computer Support/Objectives/Hardware

3.1 Explain basic cable types and their connectors, features, and purposes.

  • Network cables
    • Copper
      • Cat 5
      • Cat 5e
      • Cat 6
      • Cat 6a
      • Coaxial
      • Shielded twisted pair
        • Direct burial
      • Unshielded twisted pair
    • Plenum
    • Optical
      • Fiber
    • T568A/T568B
  • Peripheral cables
    • USB 2.0
    • USB 3.0
    • Serial
    • Thunderbolt
  • Video cables
    • High-Definition Multimedia Interface (HDMI)
    • DisplayPort
    • Digital Visual Interface (DVI)
    • Video Graphics Array (VGA)
  • Hard drive cables
    • Serial Advanced Technology Attachment (SATA)
    • Small Computer System Interface (SCSI)
    • External SATA (eSATA)
    • Integrated Drive Electronics (IDE)

3.2 Given a scenario, install the appropriate RAM.

  • RAM types
    • Virtual RAM
    • Small outline dual inline memory module (SODIMM)
    • Double Data Rate 3 (DDR3)
    • Double Data Rate 4 (DDR4)
    • Double Data Rate 5 (DDR5)
    • Error correction code (ECC) RAM
  • Single-channel
  • Dual-channel
  • Triple-channel
  • Quad-channel

3.3 Given a scenario, select and install storage devices.

  • Hard drives
    • Speeds
      • 5,400rpm
      • 7,200rpm
      • 10,000rpm
      • 15,000rpm
    • Form factor
      • 2.5
      • 3.5
  • SSDs
    • Communications interfaces
      • Non-volatile Memory Express (NVMe)
      • SATA
      • Peripheral Component Interconnect Express (PCIe)
    • Form factors
      • M.2
      • mSATA
  • Drive configurations
    • Redundant Array of Independent (or Inexpensive) Disks (RAID) 0, 1, 5, 10
  • Removable storage
    • Flash drives
    • Memory cards
    • Optical drives

3.4 Given a scenario, install and configure motherboards, central processing units (CPUs), and add-on cards.

  • Motherboard form factor
    • Advanced Technology eXtended (ATX)
    • Information Technology eXtended (ITX)
  • Motherboard connector types
    • Peripheral Component Interconnect (PCI)
    • PCI Express (PCIe)
    • Power connectors
    • SATA
    • eSATA
    • Headers
    • M.2
  • Motherboard compatibility
    • CPU sockets
      • Advanced Micro Devices, Inc. (AMD)
      • Intel
    • Server
    • Multisocket
    • Desktop
    • Mobile
  • Basic Input/Output System (BIOS)/Unified Extensible Firmware Interface (UEFI) settings
    • Boot options
    • USB permissions
    • Trusted Platform Module (TPM) security features
    • Fan considerations
    • Secure Boot
    • Boot password
  • Encryption
  • CPU architecture
    • x64/x86
    • Advanced RISC Machine (ARM)
    • Single-core
    • Multicore
    • Multithreading
    • Virtualization support
  • Expansion cards
    • Sound card
    • Video card
    • Capture card
    • NIC
  • Cooling
    • Fans
    • Heat sink
    • Thermal paste/pads
    • Liquid

3.5 Given a scenario, install or replace the appropriate power supply.

  • Input 110-120 VAC vs. 220-240 VAC
  • Output 3.3V vs. 5V vs. 12V
  • 20-pin to 24-pin motherboard adapter
  • Redundant power supply
  • Modular power supply
  • Wattage rating

3.6 Given a scenario, deploy and configure multifunction devices/printers and settings.

  • Properly unboxing a device – setup location considerations
  • Use appropriate drivers for a given OS
    • Printer Control Language (PCL) vs. PostScript
  • Device connectivity
    • USB
    • Ethernet
    • Wireless
  • Public/shared devices
    • Printer share
    • Print server
  • Configuration settings
    • Duplex
    • Orientation
    • Tray settings
    • Quality
  • Security
    • User authentication
    • Badging
    • Audit logs
    • Secured prints
  • Network scan services
    • Email
    • SMB
    • Cloud services
  • Automatic document feeder (ADF)/flatbed scanner

3.7 Given a scenario, install and replace printer consumables.

  • Laser
    • Imaging drum, fuser assembly, transfer belt, transfer roller, pickup rollers, separation pads, duplexing assembly
    • Imaging process: processing, charging, exposing, developing, transferring, fusing, and cleaning
    • Maintenance: Replace toner, apply maintenance kit, calibrate, clean
  • Inkjet
    • Ink cartridge, print head, roller, feeder, duplexing assembly, carriage belt
    • Calibration
    • Maintenance: Clean heads, replace cartridges, calibrate, clear jams
  • Thermal
    • Feed assembly, heating element
    • Special thermal paper
    • Maintenance: Replace paper, clean heating element, remove debris
    • Heat sensitivity of paper
  • Impact
    • Print head, ribbon, tractor feed
    • Impact paper
    • Maintenance: Replace ribbon, replace print head, replace paper
  • 3-D printer
    • Filament
    • Resin
    • Print bed

This article is issued from Wikiversity. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.