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The CMOS, or Complementary Metal Oxide Semiconductor, is the chip in a computer that holds the most basic of settings for a computer. These settings include the date, time, and system setup parameters. The most common way to access the CMOS to change these parameters is hitting a specific key during the computer’s initial startup (CMOS, 2013). Since the inception there have been many changes made to the CMOS. The CMOS memory has been changed from analog to digital and the speed at which it is accessed has been increased (CMOS, 2013).…
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BIOS - Basic Input/output system is the program a computer's microprocessor uses to get the computer system to start soon after you have powered it up. Also, it looked after data movement amongst the computer's operating system and connected to many devices.…
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a. A totally new chemical can be discovered in the environment, from plants, from animals, from the ocean, or from the soil.…
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1. Examine the following motherboard. One interesting thing you will see is the use of two BIOS chips. The M-BIOS chip is the Main BIOS chip and the B-BIOS chip is the Backup BIOS chip, which is used to rewrite the M-BIOS chip if it becomes corrupted. (Refer to the high-resolution images for closer inspection.)…
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A motherboard (mobo) is basically the main circuit board of a computer system. All the different components such as CPU, memory, hard drives, optical drives, video card and sound card are attached individually to the motherboard. However, the motherboard is perhaps the most essential hardware component of a computer system as it enables all the other hardware components to work together.…
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During the action potential part of the neural membrane opens to let + charged ions in the cell and let – charged ions out. This causes a rapid increase in positive nerve fiber.…
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Users with advanced knowledge could take the BIOS chip from an identical second machine and switch them to fix the problem, however this takes extreme precision – the BIOS chip is physically soldered to the motherboard, and one mistake could render it unusable.…
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1. Examine the following motherboard. One interesting thing you will see is the use of two BIOS chips. The M-BIOS chip is the Main BIOS chip and the B-BIOS chip is the Backup BIOS chip, which is used to rewrite the M-BIOS chip if it becomes corrupted. (Refer to the high-resolution imges for closer inspection.)…
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8. CD ROM – A device used to read CD-ROMs. If capable of writing to the…
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Before generation of Microprocessors i.e. in 1st, 2nd and 3rd generation computers, the computer was usually built in a card-cage case or mainframe with components connected by a backplane consisting of a set of slots themselves connected with wires; in very old designs the wires were discrete connections between card connector pins. But printed circuit boards soon became the standard practice in the late 1970s. The Central Processing Unit, memory and peripherals were housed on individual printed circuit boards which plugged into the backplane. (A backplane is a circuit board that connects several connectors in parallel to each other, so that each pin of each connector is linked to the same relative pin of all the other connectors, forming a computer bus.)…
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The basic components of all computer systems whether they are microcomputers or supercomputer all contain six basic building blocks: input, output, memory, arithmetic/logical unit, control unit and files. A computer system needs input devices for entering data into the computer for processing. The most common input devices are keyboards and mice. Input devices have now expanded to other methods such as voice input, magnetic ink character recognition (MICR), Optical character recognition (OCR), scanning bar code label, etc. The output devices are used to produce the results of the processing done by the computer. The most common output devices include computer screen or monitor, printer, or writing output on CD or DVD. Computer memory or main memory holds the program instructions and data. All data flows are to and from memory. Arithmetic and Logic Unit consist of incredibly small integrated circuits on a silicon chip. It is mainly responsible for arithmetic function of addition, subtraction, multiplication and division calculation, logical comparison and decision. Computer files storage devices sometimes called secondary or backing storage is used to store programs and data when they are not being used. Secondary storage is nonvolatile. File devices include hard disk drive, magnetic tape drives, flash drives, and CD or DVD. Control Unit provides the control that enables the computer to take advantage of the speed and capacity of its other components. It controls the sequence of instruction to be executed, controls the flow of data, interpret instructions, and it regulate timing of processor (Brown et al., 2012).…
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