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Notes for A+ Exams

NETWORKING: CABLE PULLING

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WEB SITES: DOMAINS AND WEB HOSTING

In this overview, I will detail how to connect your registered domain with your web hosting… SITUATION I: WEB HOST AND DOMAIN ON SAME HOST In a situation like this… you just need create your index page or install your … Continue reading

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COMPUTER FORENSICS / DIGITAL FORENSICS

Digital forensics (sometimes known as digital forensic science) is a branch of forensic science encompassing the recovery and investigation of material found in digital devices, often in relation to computer crime. The technical aspect of an investigation is divided into … Continue reading

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COMPUTER VIRUS: FORENSIC ANALYSIS TOOLS AND RELATED LINKS

VIRUSES: STUDY !!!!!FOR INSTRUCTIONAL PURPOSES ONLY!!!! I want to take a moment and remind all coders and scriptors that inserting and running of malicious files or data on anyone’s computer besides your own is ILLEGAL! And, depending on your age, … Continue reading

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DELL: BEEP CODES

1 beep: Possible motherboard failure or BIOS corruption. 2 beeps: Memory not detected. 3 beeps: Possible motherboard or chipset error. 4 beeps: Memory failure. 5 beeps: Real Time Clock power fail. 6 beeps: Real Time Clock failure. 7 beeps: Video … Continue reading

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STEPPER MOTOR

======================= WHAT IS A STEPPER MOTOR ======================= A stepper motor, also known as step motor or stepping motor, is a brushless DC electric motor that divides a full rotation into a number of equal steps. The motor’s position can then … Continue reading

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