Answer: Click the System Preferences icon on the dock. In the first row, click Desktop & Screen Saver.
Explanation: When it comes to macOS versions, Mojave and High Sierra are very comparable. The two have a lot in common, unlike Mojave and the more recent Catalina.
Answer:
Explanation:
Gas Filling Station has pumps. Pumps have credit card readers. Driver can able to swipe their cards, pumps have Fuel. Pumps card readers communicate with Credit Company. Driver interacts with pump for fuel and credit card.
In this situation the following we need to treat as objects.
They are Pump, Card reader, Fuel tank, communication system, system controller and price table.
Design pattern for the following system is attached below
Answer:
Software requirement specification
Explanation:
requirement specification is the first step before proceeding with any project.
we should validate our output at all phases with software requirement specification
Test.java
The classname and the filename need to match (case sensitive).
Solution :
- Loopback plug --- confirm interface functionality
It is a connector that is used to diagnose the transmission problems.
- Protocol Analyzer --- Analyze network traffic
It is used to capture and analyze the signals as well as data traffic.
- Throughput tester - Measure link speed
- Time Domain Reflectometer (TDR) - Determining the location of cable fault
It is used in determining the characteristics of the electrical lines by observing the reflected waveforms
- Locating a specific cable - Toner probe
