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Otrada [13]
3 years ago
5

A. All methods in an interface must be _________________ _________________________.

Computers and Technology
1 answer:
swat323 years ago
5 0

Answer:

Explanation:

a. All methods in an interface must be abstract methods.

b. All variables in an interface must be public, static, and final.

c.  Interfaces cannot be instantiated. (meaning that they do not have a constructor and cannot be created as a regular object.)

d. Interfaces cannot contain fields, properties, or defined methods. (Everything needs to be abstract)

e.  Interfaces are considered to be reference implementation classes

Since no answer options were provided, these keywords all fit the into the sentence and make the sentence true.

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Is a display, or monitor, considered a piece of computer hardware
9966 [12]
Yes. The monitor is considered as a piece of Computer Hardware. Computer hardware is what you can physically touch, like the keyboard, mouse, monitor, disk drive, and so on.

I hope this answers your question.

Thank you,
Otaku
3 0
3 years ago
Different between embedded computer &amp;<br> Micro controllers
Eduardwww [97]

An embedded computer is a product that uses a microprocessor as a component. Ie a relationship between a car and its engine. A Microcontroller is a microprocessor that is packaged with RAM, program storage and interface circuitry to make it simple to use

6 0
3 years ago
Which of the following symbols would not be seen in the syntax for Java variables, methods, or arguments?
Taya2010 [7]

Answer:

??

Explanation:

?? is invalid syntax

When declaring or initializing variables names, and when writing methods, or arguments ?? is not used in Java .

() [] {} all these are used with variables , methods or arguments.

4 0
3 years ago
What is the main difference between a LAN and a WAN?
snow_tiger [21]
LAN is local area network and WAN is wide are networks, so it’s the distance they span
8 0
3 years ago
A corporate office has a huge number of employees. Every employee has a telephone next to their computer so that they can call o
Lemur [1.5K]

Answer:

PBX system.

Explanation:

PBX is an acronym for private branch exchange. It is a private telephone network service that allows users to communicate by making or taking inbound and outbound calls using a gateway, voice mail, transfer calls, call queues and recording.

In an office, employees having a PBX telephone can call other employees in the same office regarding official work.

The callers have to dial a particular extension number so that the intended receiver gets the call.

Example of an extension number is 111-5001 and 111-5002, with a central number as 111-5000.

Hence, the telephone network used in this office is the PBX system.

5 0
3 years ago
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