Introduction to Personal Computers

37 Comments


We talked earlier about cooling fans on our CPU, but just as our CPUs get very hot, all of these different chips on the motherboard also get hot. You’ll find on almost every computer there are cooling fans. My server has 3 different cooling fans on it. You’ll find on your desktop that you’re using at home may only have one cooling fan. These days there are even specialized systems that have no cooling fans! But on most computers, and certainly in servers and desktop computers, you’ll find there are quite a few fans. Sometimes there are big fans, sometimes there are small fans, and they work by pulling the cool air into the system and blowing the warmer air out of the system.

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37 thoughts on “Introduction to Personal Computers”

  2. Rick

    Very nice job! I have watched the first two thus far and am very impressed by your own words just because it’s free does not mean it has to be inferior. This applies to what I have seen thus far. I have scoured the web trying to find anything that would be valuable to obtaining the cert. And this is the one place I found that I have come back to and will recommend others to visit as well.

    Great job, Mr Messer.

  3. Neil

    Hello,

    After seeing some videos on Youtube, I came across your website. Wow, is what I’ve got to say about it! Very in depth, interesting and showcased in a professional way.

    1. Alexander Dedman

      I completely agree. I can’t imagine how I would make the approach to A+ if I hadn’t come across Professor Messer’s site.

  7. David from KSC FL

    Thanks for the nice video. I work as an Electronics Technician at the space center. I want to add something to it. If someone is opening their computer, make sure it is unpluged for safety. Do not touch anything inside unless you are wearing a ESD ground strap. It does not take much to damage componets and your computer. I am working for my BSIT and taking A+ at a college this fall. Your videos are a good extra study guide to go with my college course. Thanks again.

  9. Lisa Gorrie

    These videos are a lifeline as I am starting from scratch and from home.Feeling more confident in taking the exams the more videos I watch. so thank you for making them.

  10. Yuri

    I’m very happy for your opportunity to learn more my english is so so but I understand you clearly you are the best thank for all my grettings for you Sr.

  11. Toni flat screen

    Dear Professor Messer:
    I am glad to land in your website and have a look at your A+ training course videos. I am a Comptia A+ certified computer Professional, N+ and MCP and believe me , I have taken many courses in computer training but yours is superb, very clear detail explanation, and above all very easy to understand and digest.

    my congratulations to you Professor Messer because your great contribution to many potential individuals who wants to become certified computer technician and for keeping up this good work of yours.

    Sincerely Yours
    toniFlat screen

  12. Teresa H

    Hi Professor Messer,
    I’m was browsing on the web to find more information about the CompTIA A+ certification and came across your website. I’ve watched the first two segments so far and can’t wait to learn more. Thank you so much for sharing your knowledge.

  17. theparttymer

    This was a great start! I’m really looking forward to learning more from Professor Messer!

  20. Lolo

    I really enjoy the visual detail of this video. Thanks so much. I’m going to open my computer up and review what I’ve learned from this.

  22. imran

    greetings

    after watching this video its feel like learning in the class but one on one great detail.learning without any confusion,thanks
    imran

  23. Victor M. Garcia

    These videos are great descriptors of your personality, knowledge, and generousity. I start my software courses tomorrow morning to be then followed by hardware as I work my way towards A degree in the IT field. This is an accumulative second chance in life for me to succeed and i am very appreciative of the efforts you have made to be a part of that. Thank you!

  24. Bree

    EVER Sooo much better to see/hear YOUR presentation than just reading(zzzZZZzzz)through it! Thanks so much. I’ve looked for a while for a resource that worked for me from which to learn and I believe I have found it. Eureka!

  28. Trevor

    Hi Professor Messer,

    I was halfway through reading my thick A+ certification when I came across this site.I watched all of your videos in about 2 weeks and with solid practice on the test questions I signed up for my exams.

    Thanks a million to your great explanation in these videos I was able to ace the 601 and 602 exams. I would definitely recommend this site to others.
    Cheers

  31. Paul Millward

    Excellent website and videos! Keep up the good work! Thank you very much – these videos helped me no end! Cheers Paul

  33. Ray M

    I’m currently enrolled in a very expensive MENTOR oriented computer training institution.

    I surprisingly discovered your site/videos accidently and find them far, far superior for learning from than my entire two months of in-school training.

    THANK YOU for this quality educational service.
    Ray

  34. Jessie V.

    Iam a hairstylist looking to change careers into computers, this video gives a very clear understanding of these basic aspects of cumputers and I look forward to wat hing the rest of them!

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