The A Essentials exam (220-701) covers basic operating system and hardware concepts.
The A Practical Application exam (220-702) covers details on installing and troubleshooting hardware and configuring devices for use by the operating system.
This course covers content for the A Essentials exam. TestOut training is also available for the A Practical Application exam. You should study the material in the Essentials course before studying for the Practical Application exam. If possible, we recommend that you study for both exams before taking either exam.
In addition to covering everything you need to know for the A Essentials exam, this course has been designed to help you:
Set up a new computer.
Identify system requirements when purchasing a new computer.
Understand the technology and specifications used to describe computer components, and make informed choices about which device characteristics are required for your situation.
Install or upgrade the operating system.
Manage external devices.
Troubleshoot common computer problems that can be resolved without replacing internal components.
Connect to a small home network.
1.1.1 A Certification 3:13
About 5 minutes
Section 1.2: Using the Simulator
This section introduces the student to the TestOut simulator, which is used in most of the lab exercises throughout the course. Students will become familiar with the:
In this section students will learn the basics of operating systems. An operating system is a set of programs that acts as an interface between the applications that are running on a computer and the computer’s hardware. Concepts covered in this section include: