Computer hardware assembling and troubleshooting pdf

Computer hardware assembling and troubleshooting pdf

PC Troubleshooting and Maintenance Guide 3 Windows reports smaller capacity in the Windows Explorer tool and in the My Computer window because it shows information about one partition on the hard disk drive at a time. The first partition contains the System Recovery information. Recommended Maintenance Schedule. COMPUTER HARDWARE Questions and Answers pdf free download,objective troubleshooting questions,multiple choice questions,lab viva,online quiz,test. COMPUTER HARDWARE Questions and Answers pdf free download,objective troubleshooting questions,multiple choice questions,lab viva,online quiz,test Home» COMPUTER HARDWARE Questions pdf»

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Minicomputer is a midsized multiprocessing and multi user computer. It is also called mid-range server. But mainframes are huge computers, most commonly occupying entire rooms or floor. It is highly costly.

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The fastest type of computer. Supercomputers are very expensive and are employed for specialized applications that require immense amounts of mathematical calculations. For example, weather forecasting requires a supercomputer.

Other uses of supercomputers include animated graphics, fluid dynamic calculations, nuclear energy research, and petroleum exploration. Input devices are used for giving input to the computer. But output devices are used to get the result back from the computer.

The examples of input devices are keyboard, mouse, scanner, digital camera atc…whereas output devices include monitor, printer, projector etc…. Storage devices are used to store data in the computer. The different types of storage devices are:.

The main function of a computer is to process data. The various types of processing device in a computer are:. In serial port transmission only 1 bit is transmitted at a time. A parallel interface for connecting an external device such as a printer.

On PCs, the parallel port uses a pin connector type DB and is used to connect printers, computers and other devices that need relatively high bandwidth. It uses parallel transmission of data. These are the communication channel that enables your computer to exchange information with various devices.

The most important electronic component on the computer. It is a programmable logical device for processing data. In a hierarchical structure there is a grouping of things into levels. At each level you describe a concept with enough detail for you to have a good feel for what lies below it.

Multitasking- Enables the processor to do multiple programs simultaneously by fast switching through the programs. Multiprocessing- Enables the processor to do multiple programs simultaneously by the use of multiple processors.

How To Assemble A Desktop PC/Assembly

Front Side Bus. Another name for the system bus.

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Typically, a backside bus runs at a faster clock speed than the Front Side Bus. What is packaging a microprocessor? What are the different packaging available? Packaging is the process of connecting a microprocessor with a computers motherboard.

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The types of microprocessor packaging are;. The Intel Pentium is a series of microprocessors first developed by the Intel Corporation. These types of processors have been found in many personal computers since There have been a number of Pentium processor lines starting with the base Pentium in Pentium III processors had for the most part.

Pentium 4 processors, on the other hand, start at KB. What are the differences between Intel Celeron and Pentium family of Processors? Celeron According to Build Gaming Computers, Celeron processors are the low-end processor intended for standard home computer use. SciNet reports the best Celeron processor has an L2 Cache of kb, a clock speed limit of about 2.

These are useful numbers for comparison. Pentium The top Pentium processor is the Pentium 4 Prescott. The lowest performing Pentium 4 processor, the Willamette, has an L2 cache of kb, a potential 2. Hyper-threading is a technology developed to help make better use of spare processing cycles.

Computer hardware assembling and troubleshooting pdf

Hyper-threaded processors have a duplicate set of registers, small spaces of high-speed memory storage used to hold the data that is currently needed to execute a thread. When a CPU core is delayed, waiting for data to be retrieved from another place in memory, it can use these duplicate registers to spend the spare computation cycles executing a different thread. The second set of registers will be pre-loaded with the data needed to execute the second thread, so the CPU core can begin work immediately.

While small and light on energy use, Atom processors can handle the most common tasks, such as email and instant messaging. Which is the processor suitable from Intel family of processors for Server and Workstation? Intel Xeon.

Socket is developed by AMD. It supports a maximum of how many bits of computing? What are the the different processors of AMD is suitable for this socket? Which type of socket is needed to connect a dual core processor of Intel?

Socket LGA What is Heat Sink? What is its use?

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  • If it is not in the system what will happen? A heat sink is a component used to lower the temperature of a device.

    Computer hardware assembling and troubleshooting pdf

    It is most commonly there on the microprocessor. If it is not properly fixed the system, the system will shutdown automatically to prevent further damage to the processor.

    A CPU fan should be placed in system. To make the system cool and more functioning. Upgrading a microprocessor is just physically replacing a processor with a new one. We also have to make sure that the motherboard has the internal logic to support the processor.

    What is the use of Conventional memory in the system? The size of conventional memory is KB. It is also called DOS memory or Base memory. The main memory in a computer is called Random Access Memory. It is also known as RAM. This is the part of the computer that stores operating system software, software applications and other information for the central processing unit CPU. What is Cache memory? What is the advantage if a processor with more cache memory you are using?

    Cache memory is the memory area between RAM and Processor. If cache memory increases the speed of the system will also improved. What are the different types of RAM?

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    What are the different DRAM types? DDR 2 incorporates several technological upgrades to computer system memory, as well as an enhanced data rate. It operates at a lower voltage than DDR-I as well: 1. Video adapter or video system uses VRAM. VRAM is dual ported. It is costly. It is a less expensive approach to graphics functions.

    Most commonly all low cost graphics cards are using it. It is a smaller version of a dual in-line memory module DIMM. It is the type of the memory module can be used in laptop.

    Computer hardware assembling and troubleshooting pdf

    Which is the memory packaging suitable for a sub-note book system? Micro DIMM. EPP is for non-printer peripherals.

    ECP is for printers and scanners. What is over clocking? Over clocking is the process of forcing a computer component to run at a higher clock rate. What is memory bank?

    Sets of physical memory modules is referred to as memory banks.

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    A memory bank serves as a repository for data, allowing data to be easily entered and retrieved. What is Upgrading the memory? Adding a memory module to the existing bank on the available slot or replacing the previous one with the increased memory size is also called upgrading memory. This will surely increase the performance of the computer.