Simplifying Concepts

Essence of Life is in Simplicity

Compare LILO and GRUB

Compare LILO and GRUB.

Difference between LILO and GRUB.
Differentiate between LILO and GRUB

Differentiate/Difference between/ Compare LILO and GRUB.

LILO & GRUB

LILO & GRUB

Factors/Criteria

LILO

GRUB

Terminology:

LILO stands for Linux Loader.

GRUB stands for Grand Unified Boot Loader.

Interactiveness:

LILO does not support interactive command interface.

GRUB supports interactive command interface.

Network:

It does not support booting from network.

It supports booting from network.

Type:

It acts as a boot loader for Linux OS.

It can boot different type of OS’es.

Stores:

It stores info regarding location of OS into MBR, thus each time new OS is added the config files need to be manually feeded.

It automatically detects any change in config files and automatically loads the operating system.

Support:

There is no assistance of good technical support.

It has a good technical support compared to LILO.

Boot:

It can boot around 16 OS from floppy drive, or hard disks.

It supports or can boot unlimited number of boot entries.

Note: The above differences have been derived through a proper understanding. So please share the link of this webpage as “sharing is a way of spreading knowledge”. But, please do not copy & paste it in other Website or Forums.

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Difference between FCFS,SJFS and Round Robin

Difference between FCFS,SJFS and Round Robin.

Difference between FCFS,SJFS and Round Robin.
Compare Scheduling algorithms

Differentiate/Compare/ Difference between FCFS,SJFS and Round Robin algorithms.
Differentiate/Compare/ Difference between scheduling algorithms.

Difference between FCFS,SJFS and Round Robin

Scheduling Algorithms

Factors

FCFS

SJFS

Round Robin

Type:

Not suitable for time sharing systems.

Not suitable for time sharing systems.

Suitable for time sharing systems.

Pre-emptiveness:

It is non pre-emptive.

It can be pre-emptive or non pre-emptive.

It is pre-emptive.

Priority:

No priority, processes execute on first cum first basis.

It is a priority algorithm in which priority is inverse of CPU burst.

Not a priority based algorithm.

Execution time:

Process is executed for the time equivalent to CPU burst time.

Process is executed for the time equivalent to CPU burst time.

Process is executed for quantum time ‘q’ after which it is pre-empted.

Type of Queue:

It uses a FIFO queue.

It uses a priority queue.

It uses FIFO circular queue.

Drawbacks:

It suffers from convoy effect.

It is difficult to predict the next CPU burst time of a process.

The long quantum time degenerates into FCFS.

Note: The above differences have been derived through a proper understanding. So please share the link of this webpage as “sharing is a way of spreading knowledge”. But, please do not copy & paste it in other Website or Forums.

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Difference between Circuit,Virtual Circuit and Datagram Switching

Difference between Circuit,Virtual Circuit and Datagram Switching.

Compare Circuit,Virtual Circuit and Datagram Switching.

Differentiate/Compare/ Difference between Circuit,Virtual Circuit and Datagram Switching.

Circuit & Virtual Circuit

Circuit & Virtual Circuit

Parameters

Circuit

Virtual Circuit

Datagram/Routing

Type

Connection oriented

Connection oriented

Connectionless

Circuit Established

A dedicated circuit is established between source & destination.

A virtual circuit is established between source & destination before data transfer.

No circuit or path is established.

Type of delivery

Sequential

Sequential

Out of order

Overheads

No header overheads.

Only label overheads.

Higher overhead.

Resource Allocation

Resources are allotted before data transfer.

Resources are allocated on demand.

No resource allocation required.

Type of data

Stream oriented.

Packet oriented.

Packet oriented.

Reliability

Highest

Good

Unreliable

Delay

Low

High

Unpredictable

Used for

Voice

Data

Data

Examples

Telephone systems.

X.25, frame relay.

Internet

Bandwidth

Fixed

Dynamic

Dynamic

Note: The above differences have been derived through a proper understanding. So please share the link of this webpage as “sharing is a way of spreading knowledge”. But, please do not copy & paste it in other Website or Forums.

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Difference between Connection Oriented and Connectionless

Difference between Connection Oriented and Connectionless.

Compare Connection Oriented and Connectionless.

Differentiate/Compare/ Difference between Connection Oriented and Connectionless.

Protocol/Criteria

Connection-Oriented

Connectionless

Resource Allocation:

Resources need to be allocated.

No prior allocation of resource is required.

Utilization:

It often leads to low or underutilization of resources.

It ensures optimal usage of resources.

State info:

Lot of state related information needs to be stored.

Not much of information is required as packets are sent randomly.

Reliability:

It ensures reliable transfer of data.

Reliability is not guaranteed as it is a best effort service.

Connection:

Prior connection needs to be established.

No prior connection is established.

Delay:

There is more delay in transfer of information, but once conn. established faster delivery.

However there is no delay due absence of connection establishment phase.

Packet travel:

In this packets travel to their destination node in a sequential manner.

In this packets reach the destination in a random manner.

Congestion:

Congestion is not at all possible.

It is likely that congestion occurs.

Signalling:

Connection is established through process of signalling.

There is no concept of signalling.

Suitability:

It is suitable for long and steady communication.

It is suitable for bursty transmissions.

Transfer mode:

It can be implemented either using Circuit Switching or VCS.

It is implemented using Packet Switching.

Retransmission:

It is possible to retransmit the lost data bits.

It is not possible.

Note: The above differences have been derived through a proper understanding. So please share the link of this webpage as “sharing is a way of spreading knowledge”. But, please do not copy & paste it in other Website or Forums.

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TCS ILP Documentation

TCS ILP Documentation

Hey guys welcome back to conceptsimplified.com and today I would deal with what all documents one needs to carry to TCS ILP centre. Yup I agree there might be lots of confusion regarding which documents need to be self attested and which documents to be GO Attested. Along with that I would also specify the number of copies you should carry. Below is the table depicting the list of documents you should bring.

Documents

Originals

Self Attested

GO Attested

Extras

NSR ECard Printout

1

2

Class 10th Marksheet

1

1

2

Class 12th Marksheet

1

1

2

All Semester Marksheets

1

1

2

Degree/ Provisional Certificate

1

1

2

Birth Certificate(BC)

1

1

2

Passport

1

1

3

Pancard

1

1

2

TCS Offer Letter

1

TCS Joining Letter

1

Surety’s Pancard

1

1

2

Surety’s Form 16/ ITR

1

1

2

Service Agreement

On Rs.100 Stamp Paper(No need of Notarization)

Birth Affidavit

Should be Notarized on Rs.100 Stamp Paper

Non Criminal Affidavit

Should be Notarized on Rs.100 Stamp Paper

CID Form(Based on Location)

Just fill it and bring, no need to go to police station.(Not For All)


Note:

  • Extras column mentioned depicts the number of extra copies you should keep.
  • The extra copies should preferably be Gazetted Officer(GO) Attested.
  • Birth Affidavit is must in case your Birth Certificate is not in English.
  • Service agreement need not be notarized.
  • The 6th page of Service Agreement is Surety Verification Form.
  • In case your Surety is Income tax payee then Surety’s pancard attested copy is enough no need of original.
  • Also Surety’s ITR/Form 16 needs to be Attested by Gazetted Officer.
  • BGC form should also be taken along with you to ILP. You obtain this once you fill BGC Online.
  • Medical Fitness Certificate can be obtained by any MBBS Practitioner(Doctor).
  • Pancard is mandatory because your salary would be processed through your PAN number.
  • CID Form is applicable to associates living in Mumbai/Thane/Navi-Mumbai/Pune Regions.
  • It is preferable you bring around 20-25 photographs.
  • Preferably you should start these activities 15 days prior to your joining date.
  • These documents are general for instance a person who had GAP needs to even produce GAP Affidavit.
  • Likewise Documents pertaining to Surety differ for associate producing FD/Agricultural Land.

Guys word of caution conceptsimplified.com takes no responsiblity in the accuracy of the above information and will not be responsible for any damage. Also the above information aims to just provide help and aims not to breach confidentiality of the TCS. If you feel something wrong you may just send us a email. And friends don’t forget Sharing is Caring.
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