What Character Device File Represents the Second Serial Port on a System

question 48

Multiple Choice

What character device file represents the second serial port on a system (COM2) ?

• A) /dev/ttyS0
• B) /dev/tty2
• C) /dev/tty1
• D) /dev/ttyS1

---

Definitions:

Milling Machine Minutes

A measurement of manufacturing time that quantifies the duration a milling machine is used in the production process.

Monthly Demand

The total quantity of a product or service that consumers want to purchase within a month.

Variable Manuf. Cost

Costs that fluctuate with the production volume, including direct materials, direct labor, and variable manufacturing overhead.

Production Constraint

A limitation or bottleneck in the manufacturing process that reduces the efficiency or capacity of production.