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A Level Computer Science Paper 1 OCR > Co1 Operating System Pt2 > Flashcards

Co1 Operating System Pt2 Flashcards

1
Q

What is logic address?

A

Address which is generated by cpu

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2
Q

What is physical address?

A

Actual physical address

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3
Q

What is segmentation?

A

Logical,makes a segment to what size need to be done in software

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4
Q

What is paging?

A

All pages are same size ,fixed, physical

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5
Q

What is defining requirements?

A

Describing the overall purpose of the project and define what they want out of it

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6
Q

What is analysis?

A

Asses the risk and see if it is possible(cost time power management power ,resources)

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7
Q

What is design?

A

Work out of it software

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8
Q

What are the development stages

A

Implement test install maintain and design analysis etc

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9
Q

Waterfall advantage?

A

If customer know exactly what they want then it is easy to

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10
Q

What are the types of operating systems?

A

Multi tasking
Multi User
Embedded
Distributed
Real time
Batch

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11
Q

What is multi tasking

A

Give the appearance of operating multiple tasks or can run multiple tasks

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12
Q

What is scheduling?

A

Give ing appearance of multi tasking

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13
Q

What is multi user operating systems?

A

Multiple users longing on to one server

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14
Q

What is terminal ?

A

Work stages like a computer / keyboard

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15
Q

What is distributed OS?

A

Is get lots of hardware but treated it a one system - so if u log in to system u have access to all of it

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16
Q

What is a Cluster

A

Group of computers

17
Q

What are Distributed OS used for

A

L

18
Q

Real time OS

A

Handles the input data within a guaranteed response time

19
Q

What are RTOS used for

A

Safety critical systems

20
Q

What are Embedded OS

A

Device which has one specific task with limited resources and won’t need to be upgraded-

21
Q

What is Batch OS

A

Gathers large amounts of data and processes it (large scale)

22
Q

What is scheduling?

A

Time keeping

A Level Computer Science Paper 1 OCR (20 decks)

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