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Historical development of computers
Historical development of computers
Evolution of microprocessors
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System Units
A computer could not run without the system unit. It holds all the memory, transfers all the data, and makes using a computer possible. Not all computers have a system unit that is detached from the computer monitor. Desk top computers have the system unit separate and laptops have a small one built in.
The main part of a computer is the system unit; computers could not run without this. There are five main pieces of the system unit: chassis, microprocessor, main memory, bus, and ports. A system unit is sometimes referred to as a “tower”, “box”, or “main unit” (Webopedia). System units are only referred to in desk top computers; laptops have their own built in systems within the monitor. Each of the internal pieces has a big roll
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The motherboard is said to be the “backbone” to the computer system. It connects everything together, including the microprocessor.
“Motherboard Image from Google.com\images.
A microprocessor is also known as the central processing unit, and works as the heart of the computer. The first microprocessor was the Intel 4004, introduced in 1971. It is a square chip that runs the digital part of the system unit. In order for the microprocessor to function, it required a system clock, primary storage, and power supply. How much can be represented on a microprocessor chip is determined by the number of bytes that a computer can process at a time. The storage in a microprocessor works a lot like a memory chip; they have different size bytes that hold more information than others.
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Bits and bytes refer to the same thing; except bits are individual and bytes are grouped. A byte is a sequence of bits; usually eight bits equal one byte. Bits are grouped into bytes to; generally speaking, increase the efficiency of computer hardware, including network equipment, disks and memory.
A bus is a data pathway between several hardware components inside or outside a computer. It links parts of the microprocessor to important hardware among the computer and system unit. The bus is a lot like the memory devices and microprocessor because they all use a larger capacity to make them run faster in data transfer. A bus is like a social network site, it connects everybody or everything. They are the pathways that make communication possible in a system unit
The ability of a unit to survive is largely dependent upon the hospitals internal financial budgetary performance and the external needs within the community. Developing a financial budget is a process that should use teamwork to plan and implement in order to be effective. The budget sets perimeters for administrators to follow throughout the year, allowing the director to report variances while providing guidance to maintain a minimum variance and adjust when possible (Finkler & McHugh, 2008). By using all department managers in the planning process of the new budget, the nurse executive is able to develop effective strategies for all departments while investing in the goals. This eliminates many problems associated with budget and identifies areas that need improvement or expansion. Because of the competition, declining margins, and other economic pressures, nurse executives need to take steps to control costs and increase revenues for this unit. The overall goal of the financial performance within the organization is to meet the total budgetary needs of the unit to produce favorable outcomes. My focus will be to propose the expansion of a new Joint Replacement Unit (JRU) within the hospital, while identifying the major operating components of the budget for this organization. The importance of reviewing the budget for a newly developed unit is to allow the nurse executive and administrative team to manage the existing organizational programs within in the facility, plan for goal accomplishments for the new unit, while controlling costs.
Organizational philosophy commits in establishing a high quality program that will be of distinct benefit to the community, as well as the medical staff. Mission consists of high patient satisfaction, compassion, reduction in medical errors, proper medical decisions, and patient education. For this reason, leadership is seeking the interest and commitment for expansion of a JRU to establish a program that is compatible with goals for quality, cost-effectiveness, and growth within the most efficient period.
The central processing unit, CPU, can be referred to as the “brains of the computer.” It is one of the most important processing units due to how it can process information based on inputs. The CPU is able to manipulate, store, retrieve and even display information in binary form. It takes instructional inputs from the computer’s RAM, decodes and processes the data before having a resulting output. You are able to find this processing unit not only in computers but smart TV’s, tablets and smartphones as well.
As a worldwide very large enterprise, IBM has a number of layers that have to be integrated in
When you first purchase a PC you will notice that almost every PC has a BIOS integrated in it and you usually are able to access it when you first boot it up. BIOS stands for Basic Input Output System and is a simple set of electronic instruction’s that a PC when it starts up. It is the third type of software a pc needs in order to function properly. The BIOS is basically the foundation that allows your computer hardware and software the ability to communicate with each other. BIOS is also generally stored in the motherboard of a PC and is usually stored on a rom chip which reassures that it cannot be damaged by errors such as disk failures. Typically during a BIOS startup it checks to see if the
Well, Before anything else, here is a few names of components that need to be known to not be completely lost. The CPU(Central Processing Unit) (It processes everything from basic instructions to complex functions.) (Techterms.com). The Hard drive (the location of all the computer’s folders, files, and information, saved magnetically so even if turned off it’ll all stay saved). The RAM (Random Access Memory) (The more RAM your computer has, the more data can be loaded from the hard drive into the RAM, which can effectively speed up your computer.)(Techterms.com), The OS (Operating System) (just what it sounds like, this is the system that works the computer, as in Windows, Linux, and Apple OS.) The Graphics card (helps the CPU by processing the graphics portion of what the CPU has to process). The Disk Drive( this is the CD,DVD, or Blu-Ray driver that is installed to use CD’s DVD’s and or Blu-Ray disks.) The last major term to know is the Motherboard ...
Without the computer hardware I won’t be able to use the computer software for example I use monitor to be able to see and access my data, (edit it).
The PlayStation 3 is one of the world’s most sophisticated videogame consoles to date. The PlayStation 3 has some of the most complex hardware which works quickly and efficiently. It also has many accessories to make the gaming experience much more enjoyable for users. On top of all these great characteristics, the PS3 also has the PlayStation Network. With all these different functions, it is necessary for the PS3 to have such suitable hardware and technology.
A PCB populated with electronic components is called a printed circuit assembly (PCA), printed circuit board assembly or PCB Assembly (PCBA). In informal use the term "PCB" is used both for bare and assembled boards, the context clarifying the meaning.
“Also known as the logic board, main board, or computer board, the motherboard is the computer's main board and in most cases holds all CPU, memory, and I/O functions or has expansion slots for them”. (Kingston)
Microprocessors and Angelic Self-possession: The microprocessors of today's computers are integrated circuits which contain the CPU on a single chip. The latest developments, with variable clock speeds now often exceeding 200 MHz, include Intell's Pentium chip, the IBM/Apple/Motorola PowerPC chip, as well as chips from Cyrix and AMD. The CPU chip is the heart of the computer; only memory and input-output devices have to be added. A small fan might be added on top of the fastest chips to cool them down, but in the chip itself there are no moving parts, no complex gaps between the movement being imparted and that which imparts the movement.
It is a semiconductor device consisting of` electronic logic circuits`. A microprocessor accomplishes the tasks of a computer’s CPU on a single IC (integrated circuits) or multiples ICs. These IC individually are made of many small electrical components like transistors, resistors etc. It` is the brain of the computer and is also `referred to as a logic chip.
Computer Hardware and Peripherals at first seemed all very new to me. When the course first began I kept saying to myself “What does this have to do with Criminal Justice?” however, as the course went on and we got more into our special topics, it all started to make sense. Criminal justice has so many different leads from, cyber, law, financial investigations, and so on. Having such a large variety of study is what makes this field much more interesting and exciting. At first, I felt overwhelmed with the content of our readings because it seemed to focus more on cyber than ECI, however there is a relation between all different areas of Criminal Justice. I had to really analyze the content and relate it to my side of things as an Economic
The motherboard is the main circuit board of your computer and is also known as the mainboard or logic board. If you ever open your computer, the biggest piece of silicon you see is the motherboard. Attached to the motherboard, you'll find the CPU, ROM, memory RAM expansion slots, PCI slots, and USB ports. It also includes controllers for devices like the hard drive, DVD drive, keyboard, and mouse. Basically, the motherboard is what makes everything in your computer work together.
In designing a computer system, architects consider five major elements that make up the system's hardware: the arithmetic/logic unit, control unit, memory, input, and output. The arithmetic/logic unit performs arithmetic and compares numerical values. The control unit directs the operation of the computer by taking the user instructions and transforming them into electrical signals that the computer's circuitry can understand. The combination of the arithmetic/logic unit and the control unit is called the central processing unit (CPU). The memory stores instructions and data.