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When you first open a Microsoft Word document, the first line of text in the document is pre-filled in as the document's file name. You can also change the filename of the document, by typing in a new one. But if you don't type a new one, then the filename will remain as the first line of your document.
Answer:
D. operating system.
Explanation:
In this question, we have to find the software that interprets commands from the keyboard and mouse. For that, we have to evaluate each option.
A. hard drive.
Hard drive is the item that used to store the data. Additionally, it is a hardware. Therefore, this option is false.
B. operating disk.
This is a software but it is mainly used to facilitate the read/ write commands from/to the disk in the system. Therefore, this option is also false.
C. desktop.
This is just the main screen or home screen that used to display different icons, files etc.
Desktop is also be used as an alternative of personal computer. That is a hardware item. Nevertheless, in both the cases, this option is false.
D. operating system.
Operating system is also defined as a low-level software that aims to provide basic controlling and scheduling services. Interpretation of commands from keyboard or mouse is also and module of controlling services. Therefore, this option is true.
Hence, software that interprets commands from the keyboard and mouse is also known as the operating system.
Answer:
70.
Explanation:
The 2021 AP Computer Science Principles Exam is 2 hours long and includes approximately 70 multiple-choice questions. There will be three types of questions: Single-select questions (57 questions).
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