WhichofthefollowingshouldatechnicianMOSTlikelyusetotestaRS-232port?（）
A: Loopbackadapter
B: Powersupplytester
C: Thepingcommand
D: Multimeter
A: Loopbackadapter
B: Powersupplytester
C: Thepingcommand
D: Multimeter
举一反三
- The central knob of digital multimeter has several positions. To measure DC/AC voltage,set the multimeter to 1 . To measure rcsistance, set the multimeter to 2 . Tomeasure small current, set the multimeter to 3 . To measure large current, set the multi-meter to 4 ：
- What can be measured with a multimeter?
- Multisim中“Multimeter”是（）仪器
- analog multimeter A: 电压表 B: 数字万用表 C: 兆欧表 D: 模拟万用表
- CIF should be followed by( )． A: port of transshipment B: port of destination C: port of call D: port of shipment