Computer Concepts
Learn Computer Concepts in FREE step-by-step lessons.
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After watching the video and reading the pages in the lesson, you should be able to answer these questions.
Write down the answers first. Click the to check your answer.
All Operating systems have 4 essential managers. What are they?
process, file, memory, device
A ______ is an area of memory that stores the only copy of data.
buffer
A ______ is an area of very fast memory that is associated with the processor.
cache
A _____ is a necessary component of limited availability.
resource
The one process that is active all the time is the ______
kernel
When two or more actions are each waiting for the other to finish and neither can finish because it is waiting for the other it is called a _____
deadlock
The OS allocates resources. The resources that the OS uses are called _____
overhead
CPU stands for _____ _____ ______
central processing unit
The ______ ______ sets permissions so some users can only see certain files.
file manager
______ storage is lost when the computer is turned off.
Volatile
Operating systems are found on _____ computers.
Almost all.
Not all computers have operating systems.
The computer that controls the microwave oven in your kitchen,
What manages the hardware and software resources of the system?
operating system
What type of operating system do most people use on their desktop and laptop computers today?
Single-user, multi-tasking
What is the first steps that occurs when you turn on the power to a computer?
The power-on self test checks the CPU, memory and BIOS for errors.
Tthe operating system controls and schedules _______ for execution by the CPU
processes
Please review the material for any questions you miss.