Other slides in this set

Slide 2

Preview of page 2

Here's a taster:

Types of Operating System
Batch Processing ­ Processing in Batches
Interactive Processing - Conversational
Real Time - Immediate
Network
File Management
Disk Operation System
Single User ­ One at a time
Multi Programming ­ apparently simultaneous
Multi User ­ Two or more users
Multi Tasking ­ execute more than one
Distributed ­ Resources separate nodes…read more

Slide 3

Preview of page 3

Here's a taster:

Purpose of Operating System
Control and Monitor
the running of Hardware
Application
Programs
Operating
System
Application
Software
User
Hides the
Complexities of the
Booted from Hardware
ROM…read more

Slide 4

Preview of page 4

Here's a taster:

Memory Management
Paging
Partition Memory - Equal sized page lengths
A B Re-locatable Form -Constant Transfer from
- NOT Absolute Addressing backing store and memory
-Only if memory too small
C D
Part of Part of
B A
Partition Memory Part of Part of
Time Slicing
- Each program has a time slice A Disk
B
Storage
INTERRUP
A STOP A B
T…read more

Slide 5

Preview of page 5

Here's a taster:

Memory Management
Part of Part of
B A Segmentation
-Split into sections of code
-Varied beginning and ends
Part of Part of -Wastes Space
A B
Disk Storage
Spooling
1. Processer is faster than
printer
Document Print Queue 2. Print job is stored on hard
Output disk in a queue
(In RAM) (FIFO)
3. Prioritised the jobs
4. Data is spooled ­
transferred to the output
device
HD HD…read more

Slide 6

Preview of page 6

Here's a taster:

Resource Allocation
· Manages Hardware
· Orderly allocation for:
· Processors
· Memories
· I/O Devices…read more

Slide 7

Preview of page 7
Preview of page 7

Slide 8

Preview of page 8
Preview of page 8

Slide 9

Preview of page 9
Preview of page 9

Slide 10

Preview of page 10
Preview of page 10

Comments

No comments have yet been made

Similar Computing resources:

See all Computing resources »See all resources »