What is the purpose of an input device in a computer system?

To enter data into the computer system.

To send instructions to the computer.

To display the instructions being executed in the program.

To allow the computer system to perform calculations.

An entity is any object in the system that we want to model and store information about.

An entity is a table full of data.

Quiz

Computer Science

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1What is the purpose of an input device in a computer system?
1. ATo send instructions to the computer.
2. BTo enter data into the computer system.
3. CTo display the instructions being executed in the program.
4. DTo allow the computer system to perform calculations.
2Is RAM volatile or non-volatile?
1. AVolatile.
2. BNon-Volatile.
3What does SQL stand for?
1. AStructured Query Lingo.
2. BSpecial Query Linguistic.
3. CStructured query Language.
4. DSelf Querying Language.
4What is an entity?
1. AAn entity is any object in the system that we want to model and store information about.
2. BAn entity is a table full of data.