Direct data entry and associated devices：练习题

A logistics company wants to track the movement of individual boxes in a warehouse. They need a technology that allows for multiple items to be scanned simultaneously without needing a direct line of sight.

Which direct data entry method is most appropriate?

A library uses a technology where a small microchip and antenna are attached to books, allowing them to be scanned from a distance without a direct line of sight. Identify this direct data entry method.

A library uses a specific technology to allow users to borrow books by simply placing them near a sensor, which then reads a small chip embedded in the book cover.

What is the name of this direct data entry technology?

A company needs to track individual high-value items throughout its warehouse without the need for line-of-sight scanning.

Which direct data entry device is most suitable for this purpose?

A library uses a system to track its collection where a small electronic tag is placed inside each book. This allows for books to be checked out without a direct line of sight between the scanner and the tag.

What is the name of this direct data entry technology?

A library uses a technology that allows for multiple books to be checked out simultaneously without a direct line of sight between the reader and the items. What is the name of this direct data entry technology?

A logistics company uses RFID (Radio Frequency Identification) technology for tracking parcels in their warehouse.

Explain two benefits of using an RFID reader for this task compared to a standard barcode scanner.

A company issues identification cards to all employees. These cards contain a magnetic stripe on the back.

(a) Name the direct data entry device used to read the information stored on these cards.
(b) State one advantage and one disadvantage of using magnetic stripe technology compared to entering an employee ID number manually using a numeric keypad.