Choose the correct answer. A database is a collection of related data, and the software [Used ] in databases to store, organize and retrieve the data is called the [database], or DBMS. However, we often use the word database to cover both meanings. A database can [manage] any type of data, including text, numbers, images, sound, video and hyperlinks (links to websites).Information [is entered ] into the database via fields. Therefore, a record about an employee might consist of [several fields] which give their name, address, phone number, date of birth, salary and length of employment with the company.
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Choose the correct word. What does a scanner do?
A scannerseesimages and converts the printed text or pictures into codes that can be understood by the computer. With a flatbed colour scanner, the paper with the image face down on a glass screen, as with a photocopier. Beneath the glass are the lighting and measurement . Once the scanner is activated, it reads the image as a series of dots and then generates the image that is sent to the computer and stored as a file.
The scanner operates by using three lamps, each of which has a different coloured filter: red, green and blue.
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Choose the correct word. What does a scanner do?
A scannerseesimages and converts the printed text or pictures into [electronic ] codes that can be understood by the computer. With a flatbed colour scanner, the paper with the image [is placed] face down on a glass screen, as with a photocopier. Beneath the glass are the lighting and measurement [devices ]. Once the scanner is activated, it reads the image as a series of dots and then generates the [digitized] image that is sent to the computer and stored as a file.
The scanner operates by using three [rotating ] lamps, each of which has a different coloured filter: red, green and blue.
