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A+ Computer Technician
Exam # 220-701 & # 220-702
Unit 1. Personal Computer Components Principles of personal computers
- Storage devices: FDD, HDD, CD / DVD / RW, Removable storage (e.g. tape drive, solid state such as thumb drive, flash and SD cards, USB, external CD-RW and hard drive)
- Motherboards: Form Factor - ATX / BTX, micro ATX / NLX, Integrated I/Os - sound, video, USB, serial, 1394 / firewire, parallel, NIC, modem, Memory - RIMM, DIMM, Processor sockets, Cache, Bus, Bus slots PCI, AGP, AMR, CNR, EIDE / PATA, SATA, SCSI, Chipsets, BIOS / CMOS / Firmware.
- Power Supplies: AC adapter, ATX, voltage
- Processor / CPU ; CPU chips - AMD, Intel, Hyperthreading, Dual core, Throttling, MMX, Overclocking, Cache, VRM, Speed, 32 vs. 64 bit
- Memory: Types -DRAM, SRAM, SDRAM, DDR / DDR2, RAMBUS, Memory chips (8, 16, 32), Parity versus non-parity, ECC vs. non-ECC, Single-sided vs. double-sided
- Display devices: projectors, CRT and LCD, Connector types (e.g. VGA, DVI / HDMi, S-Video, Settings
- Input devices: mouse, keyboard, bar code reader, multimedia -web and digital cameras, MIDI, microphones, biometric devices, touch screen.
- Adapter cards: Video including PCI / PCIe and AGP, Multimedia, SCSI, serial, USB, Parallel
- Ports and cables: USB 1.1 and 2.0, parallel, serial, IEEE 1394 / firewire, RJ45 and RJ11, PS2 / Mini-DIN,
Install, configure, optimize and upgrade personal computer components
- Storage devices: Drive preparation, Display devices, Basic input and multimedia devices
Preventive maintenance
- Driver / firmware updates, Scheduling preventive maintenance
Unit 2. Laptops and Portable Devices Principles of laptops and portable devices
- Form factors - memory and hard drives, Peripherals -docking station, Expansion slots - PCMCIA I, II and III, Communication connections - Bluetooth, infrared, cellular WAN, Ethernet, Power and electrical input devices - auto-switching and fixed-input power, supplies, batteries, Input devices -stylus / digitizer, function (Fn) keys and pointing devices such as touch pad, point stick / track point,
Install, configure, optimize and upgrade laptops and portable devices
- Power management: features of BIOS-ACPI, suspend, hibernate and standby
- Safe removal of hardware, hot-swappable devices and non-hot-swappable devices
Unit 3. Operating Systems: Windows 2003/2008, Windows 7/ XP/Vista, and Media Center.
- Differences between operating systems (Mac, Windows, Linux) and revision levels - GUI, system requirements, application and hardware compatibility
- Registry, virtual memory and file systems
- Windows Explorer, My Computer, Control Panel, Command Prompt, My Network Places, Task bar / systray, Start Menu
- Files: BOOT.INI, NTLDR, NTDETECT.COM, NTBOOTDD.SYS, Registry data files
- Disks (active, primary, extended and logical partitions), File systems, Files -extensions, attributes
Install, configure, optimize and upgrade operating systems
- Hardware compatibility and minimum requirements, Installation methods - CD, floppy or USB, network installation, imaging, attended / unattended.
- Upgrade (hardware, application compatibility), Implementation (backup data, install additional Windows components)
- Device driver installation (automated and / or manual search and installation of device drivers), driver signing, device manager
- Optimize operating systems: virtual memory, temporary files, service, startup and applications
Tools, diagnostic procedures and troubleshooting techniques for operating systems
- Boot sequence, recovering OS, Boot methods - safe mode, recovery console, restore point, ASR, ERD
- Operational issues such as bluescreen, system lock-up, start or load and Windows-specific printing problems (print spool stalled, incorrect / incompatible driver for print)
- Common error messages and codes: -invalid boot disk, missing NTLDR
- Operating system utilities: DEFRAG, NTBACKUP, CHKDSK, Format, device and task manager, MSCONFIG.EXE, Windows Explorer, ATTRIB.EXE
Preventive maintenance on operating systems
- software and Windows updates (service packs), scheduled backups / restore, restore points
Unit 4. Printers and Scanners
- Types: laser, inkjet, thermal, solid ink, impact
- Printer and scanner components (memory, driver) and consumables (toner, ink cartridge, paper)
- Interfaces used by printers and scanners / port and cable type: Parallel, Network (NIC, print servers), USB, Serial, IEEE 1394 / firewire, Wireless -bluetooth, 802.11, infrared, SCSI
Unit 5. Networks
- Addressing, , Bandwidth, indicators, Protocols - TCP / IP, IPX / SPX, NWLINK, NETBEUI / NETBIOS), Cables, Peer-to-peer and client / server.
- Common network cables: Plenum / PVC, UTP (e.g. CAT3, CAT5 / 5e, CAT6), STP, Fiber
- Connectors - RJ45 and RJ11, ST / SC / LC, MT-RJ
- LAN / WAN, ISDN, Broadband -DSL, cable, satellite, Dial-up, Wireless, Infrared, Bluetooth, Cellular
Unit 6. Security
- Hardware and software security: Hardware deconstruction / recycling, Smart cards / biometrics - key fobs, cards, chips and scans, Authentication - user name, password, biometrics, smart cards, Malicious software -viruses, Trojans, worms, spam, spyware, adware, firewalls, File system security
- Wireless security: Wireless encryption - WEP.x and WPA.x, Access points - disable DHCP / use static IP, disable SSID broadcast, MAC filtering, update firmware, firewall
- Data access (basic local security policy), Encryption technologies, Backups, Data migration, Password management, Locking workstation
Preventive maintenance for computer security
- Installing service packs and patches
Unit 7. Safety and Environmental Issues
- ESD precautions and procedures, safe work environment and equipment handling
- Proper disposal procedures for batteries, display devices and chemical solvents and cans
Unit 8. Communication and Professionalism
- Use good communication skills including listening and tact / discretion, when communicating with customers and colleagues
- Use clear, concise and direct statements, Allow the customer to complete statements – avoid interrupting, Clarify customer statements – ask pertinent questions, Avoid using jargon, abbreviations and acronyms, Listen to customers
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Compu21 , founded in 1998, is a leading IT services company in the business of Professional Training, Job Placement, and IT/eBusiness Consulting.
Flushing Office:
39 - 07 Prince Street ,
Unit 2C
Flushing, NY 11354
(718)762-1900
E-mail:info@compu21.com
Web Site: www.Compu21.com
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