Auburn Riverside Senior High School
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  08-08-2025
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USA- CompTIA Exam Objectives  
 Exam A+ Core Hardware  
 Domain 1.0 Installation, Configuration and Upgrading (35%)  
 Objective 1.1 Identify the names, purpose, and characteristics, of system modules. Recognize these modules by sight or definition.  
 Content Examples of concepts and modules are:

o Motherboard
o Firmware
o Power supply
o Processor /CPU
o Memory
o Storage devices
o Display devices
o Adapter cards
o Ports
o Cases
o Riser cards

 
 Objective 1.2 Identify basic procedures for adding and removing field-replaceable modules for desktop systems. Given a replacement scenario, choose the appropriate sequences.  
 Content Desktop components:

o Motherboard
o Storage device
o FDD
o HDD
o CD/CDRW
o DVD/DVDRW
o Tape drive
o Removable storage
o Power supply
o AC adapter
o AT/ATX
o Cooling systems
o Fans
o Heat sinks
o Liquid cooling
o Processor /CPU
o Memory
o Display device
o Input devices
o Keyboard
o Mouse/pointer devices
o Touch screen
o Adapters
o Network Interface Card (NIC)
o Sound card
o Video card
o Modem
o SCSI
o IEEE 1394/Firewire
o USB
o Wireless

 
 Objective 1.6 Identify proper procedures for installing and configuring common IDE devices. Choose the appropriate installation or configuration sequences in given scenarios. Recognize the associated cables.  
 Content Content may include the following:

o IDE Interface Types
- EIDE
- ATA/ATAPI
- Serial ATA
- PIO
o RAID (0, 1 and 5)
o Master/Slave/cable select
o Devices per channel
o Primary/Secondary
o Cable orientation/requirements

 
 Objective 1.9 Identify procedures to optimize PC operations in specific situations. Predict the effects of specific procedures under given scenarios.  
 Content Topics may include:

o Cooling systems
o Liquid
o Air
o Heat sink
o Thermal compound
o Disk subsystem enhancements
o Hard drives
o Controller cards (e.g., RAID, ATA-100, etc.)
o Cables
o NICs
o Specialized video cards
o Memory
o Additional processors

 
 Domain 2.0 Diagnosing and Troubleshooting (21%)  
 Objective 2.1 Recognize common problems associated with each module and their symptoms, and identify steps to isolate and troubleshoot the problems. Given a problem situation, interpret the symptoms and infer the most likely cause.  
 Content Content may include the following:

o I/O ports and cables
o Serial
o Parallel
o USB ports
o IEEE 1394/Firewire
o Infrared
o SCSI
o Motherboards
o CMOS/ BIOS settings
o POST audible/visual error codes
o Peripherals
o Computer case
o Power supply
o Slot covers
o Front cover alignment
o Storage devices and cables
o FDD
o HDD
o CD/CDRW
o DVD/DVDRW
o Tape drive
o Removable storage
o Cooling systems
o Fans
o Heat sinks
o Liquid cooling
o Temperature sensors
o Processor /CPU
o Memory
o Display device
o Input devices
o Keyboard
o Mouse/pointer devices
o Touch screen
o Adapters
o Network Interface Card (NIC)
o Sound card
o Video card
o Modem
o SCSI
o IEEE 1394/Firewire
o USB
o Portable Systems
o PCMCIA
o Batteries
o Docking Stations/Port Replicators
o Portable unique storage

 
 Domain 3.0 Preventive Maintenance (5%)  
 Objective 3.1 Identify the various types of preventive maintenance measures, products and procedures and when and how to use them.  
 Content Content may include the following:

o Liquid cleaning compounds
o Types of materials to clean contacts and connections
o Non-static vacuums (chassis, power supplies, fans)
o Cleaning monitors
o Cleaning removable media devices
o Ventilation, dust and moisture control on the PC hardware interior.
o Hard disk maintenance (defragging, scan disk, CHKDSK)
o Verifying UPS (Uninterruptible Power Supply) and suppressors

 
 Objective 3.2 Identify various safety measures and procedures, and when/how to use them.  
 Content Content may include the following:

o ESD (Electrostatic Discharge) precautions and procedures
o What ESD can do, how it may be apparent, or hidden
o Common ESD protection devices
o Situations that could present a danger or hazard
o Potential hazards and proper safety procedures relating to o High-voltage equipment
o Power supply
o CRTs

 
 Objective 3.3 Identify environmental protection measures and procedures, and when/how to use them.  
 Content Content may include the following:

o Special disposal procedures that comply with environmental guidelines.
o Batteries
o CRTs
o Chemical solvents and cans
o MSDS (Material Safety Data Sheet)

 
 Domain 4.0 Motherboard/Processors/Memory (11%)  
 Objective 4.1 Distinguish between the popular CPU chips in terms of their basic characteristics.  
 Content Content may include the following:

o Popular CPU chips (Pentium class compatible)
o Voltage
o Speeds (actual vs. advertised)
o Cache level I, II, III
o Sockets/slots
o VRM(s)

 
 Objective 4.2 Identify the types of RAM (Random Access Memory), form factors, and operational characteristics. Determine banking and speed requirements under given scenarios.  
 Content Content may include the following:

o Types
o EDO RAM (Extended Data Output RAM)
o DRAM (Dynamic Random Access Memory)
o SRAM (Static RAM)
o VRAM (Video RAM)
o SDRAM (Synchronous Dynamic RAM)
o DDR (Double Data Rate)
o RAMBUS
o Form factors (including pin count)
o SIMM (Single In-line Memory Module)
o DIMM (Dual In-line Memory Module)
o SoDIMM (Small outline DIMM)
o MicroDIMM
o RIMM
o Operational characteristics
o Memory chips (8-bit, 16-bit, and 32-bit)
o Parity chips versus non-parity chips
o ECC vs. non-ECC
o Single-sided vs. double sided

 
 Objective 4.3 Identify the most popular types of motherboards, their components, and their architecture (bus structures).  
 Content Content may include the following:
o Types of motherboards: - AT - ATX o Components: - Communication ports - Serial - USB - Parallel - IEEE 1394/Firewire - Infrared o Memory - SIMM - DIMM - RIMM - SoDIMM - MicroDIMM o Processor sockets - Slot 1 - Slot 2 - Slot A - Socket A - Socket 7 - Socket 8 - Socket 423 - Socket 478 - Socket 370 o External cache memory (Level 2) o Bus Architecture o ISA o PCI - PCI 32-bit - PCI 64-bit o AGP - 2X - 4X - 8X (Pro) o USB (Universal Serial Bus) o AMR (audio modem riser) slots o CNR (communication network riser) slots o Basic compatibility guidelines o IDE (ATA, ATAPI, ULTRA-DMA, EIDE) o SCSI (Narrow, Wide, Fast, Ultra, HVD, LVD(Low Voltage Differential)) o Chipsets
 
 Objective 4.4 Identify the purpose of CMOS (Complementary Metal-Oxide Semiconductor) memory, what it contains, and how and when to change its parameters. Given a scenario involving CMOS, choose the appropriate course of action.  
 Content CMOS Settings:

o Default settings
o CPU settings
o Printer parallel port—Uni., bi-directional, disable/enable, ECP, EPP
o COM/serial port—memory address, interrupt request, disable
o Floppy drive—enable/disable drive or boot, speed, density
o Hard drive—size and drive type
o Memory—speed, parity, non-parity
o Boot sequence
o Date/Time
o Passwords
o Plug & Play BIOS
o Disabling on-board devices
o Disabling virus protection
o Power management
o Infrared

 
 Domain 5.0 Printers (9%)  
 Objective 5.2 Recognize common printer problems and techniques used to resolve them.  
 Content Content may include the following:

o Printer drivers
o Firmware updates
o Paper feed and output
o Calibrations
o Printing test pages
o Errors (printed or displayed)
o Memory
o Configuration
o Network connections
o Connections
o Paper jam
o Print quality
o Safety precautions
o Preventive maintenance
o Consumables
o Environment

 
 Objective 5.1 Identify printer technologies, interfaces, and options/upgrades.  
 Content Technologies include:

o Laser o Ink Dispersion o Dot Matrix o Solid ink o Thermal o Dye sublimation
 
 Content Interfaces include:

o Parallel o Network o SCSI o USB o Infrared o Serial o IEEE 1394/Firewire o Wireless
 
 Content Options/Upgrades include:
o Memory o Hard drives o NICs o Trays and feeders o Finishers (e.g., stapling, etc.) o Scanners/fax/copier
 
 Domain 6.0 Basic Networking (19%)  
 Objective 6.3 Identify common technologies available for establishing Internet connectivity and their characteristics.  
 Content Technologies include:

o LAN
o DSL
o Cable
o ISDN
o Dial-up
o Satellite
o Wireless

 
 Content Characteristic include:

o Definition
o Speed
o Connections

 
 Objective 6.1 Identify the common types of network cables, their characteristics and connectors.  
 Content Cable types include:

o Coaxial
- RG6
- RG8
- RG58
- RG59
o Plenum/PVC
o UTP
- CAT3
- CAT5/e
- CAT6
o STP
o Fiber
- Single-mode
- Multi-mode

 
 Content Connector types include:
o BNC o RJ-45 o AUI o ST/SC o IDC/UDC
 
 Objective 6.2 Identify basic networking concepts including how a network works.  
 Content Concepts include:

o Installing and configuring network cards
o Addressing
o Bandwidth
o Status indicators
o Protocols
- TCP/IP
- IPX/SPX (NWLINK)
- AppleTalk
- NETBEUI/NETBIOS
o Full-duplex, half-duplex
o Cabling—Twisted Pair, Coaxial, Fiber Optic, RS-232
o Networking models
- Peer-to-peer
- Client/server
o Infrared
o Wireless