The I/O devices are sometimes called the peripheral devices because they surround the CPU and memory of the computer system.
Answer: A
The statement is true. The input devices are used to enter data from the outside world into primary storage. The output devices supply results of processing from primary storage to users.
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Trackballs are used as
Answer: D
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The most common Input device used to enter alphanumeric data is
Answer: C
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Bar Code and Optical Readers are
Answer: A
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MICR character set consists of only 2 digits 0 and 1.
Answer: B
The statement is false. It consists of numerals from 0 to 9 and 4 special characters. It supports only 14 symbols.
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An optical scanner or simply a scanner is a ______________ electronic device used to read and capture printed text and images.
Answer: A
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Computer output may consist of
Answer: A
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_________ is used to captures images in a digitized form that a computer can use.
Answer: C
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A __________ is a digital video camera that captures real-time video for transmission to others via a Web Server.
Answer: C
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