The Concept Of Computer Repair Information Technology Essay



In todays fast paced business environment, everyone depends on their computers to run in a reliable and efficient way. Therefore, cost effective and professional computer repair technicians are essential for any company in order to maintain all the equipment up-to-date and running efficiently. Nowadays, a great deal of PCs running any version of Windows need frequent maintenance and updating, especially if connected to an always-on broadband connection. New vulnerabilities are always found and patched. Keeping your computer up-to-date with service packs and critical updates should be a priority to any computer user, as well as, preventive maintenance is one of the most ignored aspects of PC ownership. Most people seem to think that the PC doesn’t need preventive maintenance, and so you should just use it until it breaks, and then repair or replace it. These people generally find themselves repairing or replacing much sooner than those that take definite steps to avoid difficulties in the first place.  computer repair dha lahore laptop repair dha lahore

How Computer Hardware and Software Work Together



How does computer software and hardware work together? This is kind of a complex question. I think the most important thing connecting software and hardware would probably be the register. Commands or services requested by the software are encoded into binary values of 0’s and 1’s and are written into a register. For example, some register may hold a value of “01101100”. This encoding has a total of 8 bits. Each value of either 0 or 1 is called a bit, and 8 bits are called a byte. At the hardware level, the computer hardware does not see these 0’s and 1’s as numbers, but as voltage levels. For example, a high voltage of 3 volts may represent a 1 and a low voltage of near 0 volts may represent a 0. These high and low voltages are fed into a series of logic gates which then, through the correct logic design, will go about with producing the results needed by that particular software command. For example, if the software is requesting a calculation, the hardware logic gates may add the first two bits of the encoding together, produce a result of 1 (0+1 = 1), and then write this result into another register somewhere for the software to go fetch and read. Or, if the encoding is a request for some kind of service, the logic gates may in turn access or write into some other registers which would trigger other logic gates to initiate this service. But again, this is a very complex process with many variations depending on what kind of technologies the designers of the system choose to use. Based on this principle of correlation between software and hardware I will try to explain their relationship as follows: pc gaming redragon

Basic Computer Hardware And Software

The Basic Computer Hardware

Central Processing Unit:




The central unit is the basic part of the computer and includes all the main computer parts. It is the heart of the computer system. It is responsible for executing, or running the software. The software programs are translated into a series of codes made up of 1s to 0s that the CPU can understand. Every code means a certain operation should take place. 

A CPU has various discrete units to help it in these tasks for example there is an arithmetic and logic unit(ALU) that takes care of all the math and logical data comparisons that need to performed. A control register makes sure everything happens in the right sequence. The motherboard is the main circuit board inside the PC. All other components are either slotted into or soldered to this board. apple repair dha lahore cctv camera installation dha lahore

Microprocessors:


Microprocessors are different to one another according to the manufacturer and technical specifications. The most important technical specifications of microprocessor are the type and processing speed. The type of microprocessor is defined by the internal structure and basic features .The microprocessors communicate with the rest of the system by means of buses. Buses are sets of parallel electronic conductors set of wires or tracks on the circuit board. iphone repair dha lahore new mobile dha lahore

Motherboard:



The motherboard is a printed circuit board (PCB) that contains and controls the components that are responsible for processing data. The motherboard contains the CPU, memory, and basic controllers for the system. Motherboards are often sold with a CPU. The motherboard has a Real-time clock (RTC), ROM BIOS, CMOS RAM, RAM sockets; bus slots for attaching devices to a bus, CPU socket or slot, cache RAM slot or sockets, jumpers, keyboard controller. It is also known as: Main Board because it is the main component in your computer. Everything plugs into it. networking service router

System Board: Just like the Main Board but all its chips are permanently installed. You can’t upgrade these.

Daughter Board:



It’s an expansion board that supports the addition of spots for adapters.

Processor: It controls the speed and performance of your computer. It processes the commands from your operating system and sends the proper info to each section. external hard drives and usbs

Fans: Keeps the computer from overheating. 


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