INPUT AND OUTPUT DEVICES In computing‚ input/output‚ or I/O‚ refers to the communication between an information processing system (such as a computer)‚ and the outside world possibly a human‚ or another information processing system. Inputs are the signals or data received by the system‚ and outputs are the signals or data sent from it. The term can also be used as part of an action; to "perform I/O" is to perform an input or output operation. I/O devices are used by a person (or other system) to
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INPUT DEVICES: 1. Keyboard - The keyboard is a way to input letters or numbers into different applications or programs. A keyboard also has special keys that help operate the computer. 2. Mouse - The mouse is used to open and close files‚ navigate web sites‚ and click on a lot of commands (to tell the computer what to do) when using different applications. 3. Touch Screen - A touch screen is a computer screen or other screen that you can touch with your finger to enter information. Examples
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P S i i l Process Control C l 26 August 2009 University Malaysia Perlis P li Presented by Dr Zaharah Wahid DRZ CONSULTANT 1 An Overview of Statistical Process Control (SPC) DRZ CONSULTANT 2 What is SPC Statistical : A universal language to describe and analyse the physical variability of a process. Process : The transformation of inputs including f f man‚ machinery‚ methods‚ materials‚ energy and information to attain a desired result result. Control : To make a process behave the
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distributed. a. What percentage of the rooms will take less than 12.0 min to complete? Answer: 0.0301% Reasoning/Work: from my understanding I subtracted 1.8 from 1.88 which is my answer = .08 then I found the answer on the table b. What percentage of the rooms will take more than 21.0 min to complete? Answer: 0 % Reasoning/Work: the answer is 0. c. What percentage of the rooms will take between 12.0 and 20.5 min to complete? Answer: 0.97% Reasoning/Work: I found the a of the 2 possibilities
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Gantt chart is a type of bar chart‚ developed by Henry Gantt in the 1910s‚ that illustrates a project schedule. Gantt charts illustrate the start and finish dates of the terminal elements and summary elements of a project. Terminal elements and summary elements comprise the work breakdown structure of the project. Some Gantt charts also show the dependency (i.e. precedence network) relationships between activities. Gantt charts can be used to show current schedule status using percent-complete shadings
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Giant chart What is a Gantt chart? A Gantt chart is a bar chart used to illustrate a project schedule‚ including start and finish dates of activities and a summary of activities of a project. These activities form what is usually called the work breakdown structure of a specific construction project. Gantt charts serve as an excellent tool to show updated schedule status using actual complete shadings and vertical line representing the actual date. Gantt charts sometimes are prepared showing precedence
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of service you are running or what you want to book. You can create any object with any number of parameters and manage its reservations schedule and prices. All using user-friendly environment of the Joomla backend. Objects can be organized into hierarchy‚ so you can even manage multiple facilities consisting of many bookable units. E.g. you can manage several hotels with multiple rooms‚ multiple bowling‚ squash or other sport facility centers with several grounds. The system also offers object capacities
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Application Exercise # 1 (Common to session1 to 5) (50 marks) A. Draw a flow chart of any one function/process in your organization. (Marketing‚ Operations‚ Finance‚ Accounting‚ Human Resources and Information Systems) Use special symbols to draw the flow process chart for the above question Analyze the flow chart drawn above using the basic question. (How‚ What‚ When‚ Where & Who) Suggest improvements for increasing the efficiency or effectiveness of the above chosen function.
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INPUT/OUTPUT ORGANIZATION • Accessing I/O Devices • I/O interface • Input/output mechanism Memory-mapped I/O y pp / Programmed I/O Interrupts Direct Memory Access • Buses Synchronous Bus Asynchronous Bus I/O in CO and O/S • • • Programmed I/O Interrupts DMA (Direct memory Access) A bus is a shared communication link‚ which uses one ‚ set of wires to connect multiple subsystems. The two major advantages of the bus organization are versatility and low cost. Accessing I/O Devices
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Input Device is any peripheral (piece of computer hardware equipment) used to provide data and control signals to an information processing system such as a computer or other information appliance. A keyboard is the most common input device. Using a keyboard‚ the user can type the text and execute commands. Keyboard is designed to resemble a regular typewriter with a few additional keys. Data is entered into the computer by simply pressing various keys. The layout of a keyboard comes in various
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