Flatbed, document, and portable are types of _______ that accept documents and convert them into machine-readable form.
A: scanners
B: recognition devices
C: coprocessors
D: RFID readers
A: scanners
B: recognition devices
C: coprocessors
D: RFID readers
举一反三
- Handheld devices, such as posters, radios, portable computers and other wireless devices, make up the growing mobile device market.
- Which of the following is not one of the features of technical documents? A: Clear organization B: Readable style C: Effective visuals D: Writer-centeredness
- Letter input devices, pointing input devices, imaging and video input devices, and audio input devices are four types of input devices.
- You are developing the Payroll application that contains the SALARY and COMMISSION forms. When a user invoked the COMMISSION form from the SALARY form, the SAL value should be passed to the COMMISSION form. In which data form and at what time should you define the parameter to accept the value?（） A: SALARY form at runtime. B: SALARY form at design time. C: COMMISSION form at runtime. D: COMMISSION form at design time.
- You are developing the Payroll application that contains the SALARY and COMMISSION forms. When a user invoked the COMMISSION form from the SALARY form, the SAL value should be passed to the COMMISSION form. In which data form and at what time should you define the parameter to accept the value?（） A: SALARY form at runtime. B: SALARY form at design time. C: COMMISSION form at runtime. D: COMMISSION form at design time.&e