Answer:
1
Explanation:
The four gates on the left are XNOR gates, their output is 1 if both inputs are equal. This is the case (given), so all inputs to the quadruple AND gate are 1, hence the output is also one.
Answer:
Sound card
Explanation:
In computer or laptop music or sound files are stored in digital form. Sound card is the the device that is used to convert the digital form of music into analog to produce the signal that is compatible with speaker or microphone.
If the speakers are not working on the laptop, means there is no sound produced on speakers. It means that sound card is not working properly.
Answer:
Option D: NOW
Explanation:
In Microsoft Excel, NOW function can be used to return a serial number that corresponds to the system date and time beginning with December 31, 1899.
The NOW function is useful when a date and time is required for calculation or display. The value will be updated each time we open the Excel worksheet. To use the NOW function, we can type in the formula as follows:
<em>=NOW() </em>
Answer: jpeg becauuse itss correct
