当某商品价格低于均衡价格时,市场存在超额需求。此时,( )。
A. 生产者考虑降价
B. 消费者等待更优惠的价格
C. 生产者考虑涨价
D. 消费者不再消费该商品
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当某商品价格高于均衡价格时,市场存在超额供给。此时,( )。
A. 生产者考虑降价
B. 消费者愿意出更高的价格
C. 生产者考虑涨价
D. 消费者不再消费该商品
If you install a PCIe Version 1.x card in a PCIe Version 2.0 slot, the slot ________.
A. runs at a faster speed to accommodate the card
B. runs at a slower speed to accommodate the card
C. will present an upset failure
D. will present a catastrophic failure
If your operating system has no sound, what could be the cause?
A. Incompatible CPU
B. Incompatible drivers
C. Inefficient PSU
D. Broken DisplayPort cable
Which of the following display interface can only transfer data in analog signal?
A. VGA
B. DVI
C. HDMI
Display port
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