BIOS load the operating system into the computer’s memory and finishes up the boot-up process. The BIOS manages the hard drive but it cannot stay there. BIOS actually stay on the Erasable Programmable Read Only Memory. So it goes…computer powers up, accesses the EPROM and gives complete control to the BIOS. The POST scan checks the hardware and makes sure the processor, RAM, and all other storage devices are all functioning correctly.
Understanding the BIOS and POST * Why is it necessary to use ROM for the BIOS and not RAM? It is necessary to use ROM for the BIOS because the data in the RAM is cleared when the computer shuts down, but the data in the ROM is always there for the BIOS to use * How do the POST beep codes make troubleshooting a computer start-up problem easier? The computer POST, tests the computer to make sure it meets the necessary system requirements and that all hardware is working properly before starting the remainder of the boot process. If the computer passes the POST, the computer gives a single beep (with some computer BIOS manufacturers it may beep twice) as it starts up and will continue to start normally. However, if the computer fails the POST, the computer will either not beep at all or will generate a beep code, which tells the user the source of the problem.
hard drive, CDROM, or Removable) * Under Exit Tab, You are given the option on how to exit from BIOS with or without saving changes Explain POST: Power On Self Test * POST is a test to determine a computer’s hardware is not faulty before it boots * When a problem occurs BIOS will register an error * A sound messaging speaking is located on the motherboard that will issue a series of beeps when a problem is found. The beep sequence is like Morse code for your computer. * To determine what each beep stands for go to computerhope.com/beep.htm for a list of their definitions * If BIOS is corrupted POST will not be achieved and will most likely show a message of corrupted CMOS , Complementary Metal Oxide Semiconductor, or not output will be show at all In summary, this video showed me that the BIOS is a useful tool to have access to in determining the running conditions of your
Things You'll Need • Antistatic wrist-strap • Screwdriver • Antistatic PC bags • Compressed air • Replacement motherboard • Antistatic mat • Windows installation CD • Windows CD-KEY • Recovery Disks • External Storage Media Instructions 1. o 1 Back up your system to an external storage media so that you can easily and quickly get your system up and going with the new system board. Also create a set of recovery DVDs or CDs in case there are any issues with the external storage device. o 2 Place your windows install CD/ DVD into your optical drive. It will be needed later. Shut down your computer and remove all external plugs, wires and cables.
Older computers might have problems running Microsoft Office suite 2007 or 2010. To troubleshoot such problems for users that are at the beginning skill level they could access the help section that is with MS Office or they go on line and search for help on the MS Office website for the help section. To troubleshoot such problems for users that are at the intermediate skill level they could click on the Office button, open Word options, and customize word to their preferences. Such as using the page layout, tap to customize the margins. Also, when you want edit a document on a floppy disk you need to copy the file to your hard drive edit the document then save it to the floppy disk when done editing the document.
The typical size is still 512 bytes currently. All it comes down to is “If it ain’t broke don’t fix it.”, so it’s been that way since almost the very beginning. It does its job which is to just get the computer started and make sure everything is in place and then hands it all over to the computers
Problems like viruses, worms, and malware can seriously hurt your system performance. There are important steps that can be taken to improve your system performance in your computer. First step is to perform a routine maintenance like defragging the hard drive or cleaning it up. Hard drive checks will allow you to point out errors and uninstall unwanted programs within your system that’s preventing optimal performance. To further enhance your performance, check your hardware and software compatibility and deal with any issue that occurs.
Windows has a Virtual memory manager (VMM) and avoids allocating all the memory until it is absolutely necessary. Windows does prefetching, which is moving pages from the disk to the main memory before it is even needed. Pages that are not needed in the memory are stored into a system called Page file until further need. With the Linux operating system, the files are organized already into the hard drive. This will give speed to Linux and provide for faster
* BIOS * POST * CMOS * EEPROM * IRQ * IO Address * Memory Addresses * DMA The first program that activates during boot is BIOS. BIOS is a set of instructions written in read only memory (ROM). For this reason BIOS is permanent, cannot be edited, and doesn’t require power to keep the instructions. Startup BIOS checks the CMOS and compares it to POST. One difference between BIOS and CMOS is that CMOS is written in random access memory (RAM).
Quiz Submissions - Exam Studying 1 / 1 point Being ________ means being familiar enough with computers that you understand their capabilities and limitations. 1) computer savvy 2) technology literate 3) computer literate 4) computer competent Question 2 Unwanted e-mail is called ________. 1 / 1 point 1) spam 2) spyware 3) adware 4) software Question 3 1) avoiding hackers and viruses 2) protecting your privacy 3) being able to build a computer 4) using the Internet wisely Question 4 1) Computer forensics 2) Database mining 3) RFID 4) Information technology Question 5 1) data mining 2) data searching 3) data warehousing 4) data retrieval Question 6 0 / 1 point ________ is a wearable device that hangs around your neck consisting of