input devices and output devices pdf

Input Devices And Output Devices Pdf

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Choose the correct option and mark your choice against the corresponding question number in the given answer sheet by darkening the corresponding circle with a lead pencil.

Chapter 9: Input-Output Devices

The Input Devices are the hardware that is used to transfer transfers input to the computer. The data can be in the form of text, graphics, sound, and text. Output device display data from the memory of the computer. Output can be text, numeric data, line, polygon, and other objects. The most commonly used input device is a keyboard.

Sap Output Device Pdf

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This is the most important topic which you should prepare to score good marks. For this, your calculation speed and accuracy matters a lot. Improve your calculation by learning several short tricks and practice so many questions to ace the topic. An Input Device is used to feed data into the computer system. The standard keys are as follows. Types of Key.

Computer input and output devices

An input device sends information to a computer system for processing , and an output device reproduces or displays the results of that processing. Input devices only allow for input of data to a computer and output devices only receive the output of data from another device. Most devices are only input devices or output devices, as they can only accept data input from a user or output data generated by a computer.

Input Devices

Keyboard is the most common and very popular input device which helps to input data to the computer. The layout of the keyboard is like that of traditional typewriter, although there are some additional keys provided for performing additional functions. These keys include the letter keys A-Z and digit keys 09 which generally give the same layout as that of typewriters. It is used to enter the numeric data or cursor movement. Generally, it consists of a set of 17 keys that are laid out in the same configuration used by most adding machines and calculators. The twelve function keys are present on the keyboard which are arranged in a row at the top of the keyboard.

Лицо коммандера выражало торжественную серьезность. Видимо, в его действиях было нечто такое, что ей знать не полагалось. Сьюзан опустилась на стул. Повисла пауза. Стратмор поднял глаза вверх, собираясь с мыслями. - Сьюзан, - наконец произнес он еле слышно.

ГЛАВА 86 Когда Сьюзан, едва переводя дыхание, появилась в дверях кабинета коммандера, тот сидел за своим столом, сгорбившись и низко опустив голову, и в свете монитора она увидела капельки пота у него на лбу. Сирена выла не преставая. Сьюзан подбежала к. - Коммандер. Стратмор даже не пошевелился. - Коммандер. Нужно выключить ТРАНСТЕКСТ.

 А как же Сьюзан? - Хейл запнулся.  - Если вы позвоните, она умрет. Стратмора это не поколебало.

Беккер остановился перед зеркалом и тяжело вздохнул. Обычно лучистые и ясные, сейчас его глаза казались усталыми, тусклыми. Сколько я уже тут кручусь. Однако считать ему не хотелось. По профессиональной привычке поправив съехавший набок узел галстука, он повернулся к писсуару.

Computer input and output devices

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