Answer:
JTextField
Explanation:
JTextField is a Swing control which can be used for user input or display of output. It corresponds to a textfield and can be included with other controls such as JLabel, JButton,JList etc. on a comprehensive user interface which is application dependent. JTextField supports a read-write mode where the user can enter a value and it also supports a read-only mode which can be used to display non-editable output to the user.
Answer:
C.
Explanation:
Choice 'C' is correct. The student will not need to know the whole population of the cities being surveyed because she is not comparing the number of graduates to the size of the city. The variables in Choices 'A', 'B', and 'D', however, are necessary.
Answer:
Types of Hybrid Computers:
1. Large Electronic Hybrid Computer
2. General-Purpose Hybrid Computers
3. Special-Purpose Hybrid Computers
Examples of Hybrid Computers
1. Gasoline Station
2. Electrocardiogram Machine
3. Ultrasound Machine
4. Monitoring Machine
5. Research and Production Industries
6. Forensic
7. Defence
Types of Analogue Computers
1. Slide Rules
2. Differential Analysers
3. Castle Clock
4. Electronic Analogue Computers
5. Mechanical Analogue Computers
Examples of Analogue Computers
1. Thermometer
2. Speedometer
3. Analogue Clock
4. Seismometer
5. Voltmeter
6. Flight Simulators
7. Tide Predictors
Types of Digital Computers
1. Micro Computer
2. Mini Computer
3. Mainframe Computer
4. Super Computer
Examples of Digital Computers
1. Calculator
2. Digital Clock
3. Automobiles
4. Weighing Machine
5. Consumer Electronic Equipments
6. Smart Phones
7. Laptop/Personal Computer
8. ATM