Lesson 4 - System software

Question 1

What does BIOS stand for?

Answer 1

-Basic input and output -software/system

Question 2

What is interrupting software?

Answer 2

-A safe way to exit what you are doing.

Question 3

What is managing memory?

Answer 3

• Called fair share in memory
• It allocates cetains sections ofmemory tor different processes.
• This is decided by the operating system.

Question 4

What is paging?

Answer 4

• The memory is split up into eaul sized chunks and each section is called a page.
• Each program is allocated a certain number of pages
• Has grid like structure
• Pages can be easily swapped between virtual memory and main memory

Question 5

What is segmentation?

Answer 5

• It is faster than paging

- You can copy whole segments into cache.

Question 6

What is the “heap” in segmentation?

Answer 6

-It is a general purpose part of memory.

Question 7

What is “stack” in segmentation?

Answer 7

-A place wher eyou store the functions in the page

Question 8

What is virtual memory?

Answer 8

-If an application is not being used it is copied into the page file.

Question 9

What is diskthrashing?

Answer 9

-When pages are constantly beging changed from memory into ram.

Question 10

How does RAM reduce seek time?

Answer 10

-It is electronic - so it is very fast.