Robotics?

what is robotics?
Robotics is a branch of engineering that involves the conception, design, manufacture, and operation of robots.
This field overlaps with electronics, computer science, artificial intelligence, mechatronics, nanotechnology and bioengineering

1. Robots must never harm human beings.
2. Robots must follow instructions from humans without violating rule 1.
3. Robots must protect themselves without violating the other rules.

Types of robotics?


1 Cartesian/Gantry Robots
2 Cylindrical Robots
3 Spherical Robots
4 SCARA Robots
5 Robotic Arms - (Articulated Robots )
6 Parallel Robots

The Advantages of 3D Printing

• Speed. One of the main advantages of additive manufacture is the speed at which parts can be produced compared to traditional manufacturing methods. ...
• Single step manufacture. ...
• Complexity and design freedom. ...
• Customization. ...
• Ease of access.
• The seven different types of 3D printers
  

  

  • Fused deposition modeling (FDM)
  • Stereolithography(SLA)
  • Digital Light Processing(DLP)
  • Selective Laser Sintering (SLS)
  • Selective laser melting (SLM)
  • Laminated object manufacturing (LOM)
  • Digital Beam Melting (EBM)

What is security

What is security?

Security is protected unauthorized access in a computer network and resorces


Type of attack
1.passive attack
2.active  attack


Types of firewall
1.Hardware firewall
2.Software firewall


Software firewall
1.Protects a single computer
2.Less expensive
3.Nortor internet security .


Hardware firewall  
1.It protects an  all network
2.It is more expensive .
3.It configure the device


IDPS (intrusion detection and prevention system )

It is a inside firewall is the best tool

Resource Management

what is Network Monitoring?

It is used to monitor network and system resources performance and availability.

It also checks the resource licensing and pooling in a virtual cloud environment.


what is SNMP Monitoring?
Simple Network Management Protocol (SNMP) is a popular protocol for network management. It is used for collecting information from, and configuring, network devices, such as servers, printers, hubs, switches, and routers on an Internet Protocol (IP) network.

What is NAS?

What is NAS?

An NAS device is a storage device connected to a network that allows storage and retrieval of data from a central location for authorised network users and varied clients

 It’s faster, less expensive and provides all the benefits of a public cloud on site, giving you complete control.

• Simple to operate, a dedicated IT professional is often not required
• Lower cost
• Easy data backup, so it’s always accessible when you need it
• Good at centralising data storage in a safe, reliable way

direct-attached storage (DAS)

Direct-attached storage (DAS) is computer storage that is connected to one computer and not accessible to other computers. For an individual computer user, a hard drive or solid-state drive (SSD) is the usual form of direct-attached storage.

1. Click CONTROl PANEL

2. Click on System and Security.

3. Click on Windows Firewall.

4. Click Turn off windows firewall.

5. Go back to Control Panel.

6. Click on User Accounts.

7. Click on Manage another Accounts.

8. Click on Add a User Account.

9. Enter the following details and click on Next.

10. Repeat step 9 twice to create new user accounts.

11. Go back to System and Security and click on System.

OPERATING SYSTEM QUESTIONS

What is Operating System ?

• - It is an Interface between User and Computers and it Manages the Executions of all types of  Program.
• 
  
• What are the Types of Operating System ?

Generally, there are three types of Operating System.
- Microsoft Windows

- Mac OS X

- Linux








- Based on User Interface, An Operating System are :-
Command Line interface ( CLI ) :- It allows user to enter Commands as Texts to interact with
                                                        Computer. For eg :- MS-DOS, Unix etc.
Graphics User Interface ( GUI ) :- It have icons,menu etc. to the user to interact with Computer
                                                       For eg. Windows, Linux etc.



Difference Between Client OS and Network OS
 Client Operating System :- 

• - It is Designed to Run on a Desktop Computer
• - It is also Known as Standalone Operating System.
• - A Client is Software that (usually) Connect to Server to Perform Actions.

Network Operating System :-
- It is Designed to Support Network.
- It Enables Various Computer Connect to Network to Share Resources Such as Data File, devices etc

Difference between System Software and Application Software
System Software :- System Software is Consist of Programs which Manages Computer Itself.
                                 Such as Operating System, File Management and Operating System manages
                                 Computer Hardware.
Application Software :- Applications Software is a Computer Program designed to Perform                                                        Various task and Activities. such as MS Office and more others etc.


Difference Between Features of Windows 8 and Windows 10 ?
 Features of Windows 8 :- 
- Live Tiles & Lock Screen.
- System-Wide Search......
- Refresh & Reset.......
- Settings Sync......
- Snap View For Multi-Tasking.......
- Pin Anything..
- Task Manager.

Features of Windows 10 :-
- Start Menu Returns
- Cortana on Desktop- Being Lazy just got a Lot Easier.
- Xbox App
- Project Spartan Browser
- Improved Multi-Tasking
- Universal Apps
- Office Apps get Touch Support
- Continum
- Action Centre
- Unified Settings/ Control Panel.

What is Partition ?
- A Logical division of Hard Disk is known as Partition.

What is Format ?
- Format means Erasing all the Data & Creating a New File System.

What are the Types of Partition ? 
- Primary Partition, Logical Partition & Extended Partition.
Primary Partition is Needed to Store & Boot an Operating System.
- Extended Partition :- Extended Partition are Divided into Logical Drivers, where Data Proper is
                                     Located.
                                     Extended Partition are used Only for Creating a Number of Logical Partition.
- Logical Partition :- Logical Partition are the Partition that are Created in Extended Partition Area.
                                  A Logical Partition

 What is a Difference between NTFS and FAT32 ?
  
                FAT32                                                                             NTFS

- It has Max. File Name has 83                                 - It has Max. File Name has 255 Characters.
   Characters.
- FAT32 Has File Size of 4GB                                   - NTFS has File Size of 16 TB
We May Easily Convert a FAT32 System to NTFS, But Reverse is not True, Because NTFS Follow
a Secure Protocol.

 What is Upgradation and Migration ?

- Upgradation means Upgrading From Lower Version to Higher Version of Windows.
- Migration means taking a Backup in External Drive and Performing Task on Another Computer.
- Hence it can be done into Another PC ( Migration ).

Difference Between Windows and Linux ?
- Windows has an GUI Interface whereas Linux has CLI Interface.
- Troubleshooting technical Problem is more difficult in Linux but as much simple in Windows.

How Many Rows & Column in Excel Show.
- ROWS :- 1048576
  COLUMNS :- 16384.

What is Backup and Restore ?
- Backup means Saving the File into Another Location that means Externally such as Hard drive or PD.
- In case of failure of Windows, we can restore a data.
- Restore means Gaining the Files after Installation which we are set.

How to Solve PC Slow Problem ?

- First Delete the Temporary Files by Command %temp%.
- Second Clear the Prefetch.
- By Scanning the Device through the Antivirus.
- Check For Hard disk Badsector.
- 

How to Solve Internet not Working ?
- Check Power button ON or Off
- Check Cables
- Check BIOS Configuration No Restriction put on Network
- Check Router or Moderm is Properly Configure.
- Check Adapter is Disabled if it, then Enable it.
- Check IP Config
- Check Adapter is Updated or not.
- Check IP Address using PING Command.
- Ping Default Gateway of our Router.
- Check Firewall Settings.
- Check Antivirus Settings.

How to Solve LAN Problem ?
- Check Power Button ON or OFF.
- Check Cables
- Check Cabinet LED indication of Router.
- Check No restrictions put on Network in BIOS.
- Check Adapter is Disabled or Not.
- Check IP Configuration.
- Check Adapter is Updated or Not.
- Use PING Command
- PING IP Address present in LAN network.
- If Still Showing Destination HOST Unread.
- Check Firewall Settings & Configure it Correctly.











Generally, there are three types of Operating System.
-

MOC QUESTIONS

1.  How to Solve Boot.Mgr Problem ?

- First Go to BIOS and Set the Boot Priority for CD or DVD or USB.
- Insert a Media, we will Prompt as Press any Key to Boot from CD or DVD... PRESS IT.
- Windows will Load and select a Time and Language and click on NEXT.
- AFTER that Select a Repair a Computer and it will start Laoding.
- On above Check mark ON Use a Recovery Tools option.
- Click NEXT.
- Click ON Repair and Restart.
- Then Go to STARTup Repair.
- Startup Repair check for a Problems.
- It will Prompt for Restart your Computer to Complete Repairs.
- Click on Finish.

2. Difference between Mac and IP address?
- Mac Address is a Hardware Address that means it is unique to
 The Network Card which is installed on our PC
- Mac Address is of 12-bit hexa decimal
- IP Address is a logical address located to the Network device via
 Computer software.
- IPv4 is of 32-bit whereas IPv6 is of 128-bit .

3. How to add a Network Printer?
- First Connect a network printer by USB or LAN Cable.
- Go to Control Panel.
- Go to devices and printers.
- Click on Add a printer.
- Add a local or Network Printer
- Click Ok
- It will search for a available Printer and once it search it will detect .
- Select a Printer and install.

4. What is BIOS?
- It stands Basic Input Output System.
- It is a ROM chip on the Motherboard
- It is an interface between Computer
  Hardware and it's Operating System.
- There are basically 4 main function.
  POST :- it checks whether the hardware is properly connected or not.
Bootstrap loader :- it finds bootable Drive and load the Operating System.
Setup utility program :- the information related to Computer is been saved to NON- volatile memory , that is ROM.
Bios drivers :- it has one EPROM or EEprom .

5. Types of IP Address ?
- Unicast IP Address, this type of address used for one to one Communication.
- Multi-cast IP Address, used for One to many communication.
- Broadcast IP Address, used for One to Everybody Communication.

6. Types of Networks ?
- LAN, Local Area Networks.
- WAN, Wide Area Networks.
- MAN, Metropolitan Area Networks.

7. What is Subnetting ?
- Subnetting is a Practice of Dividing a Network into two or Smaller Networks.
- It increases Routine Efficiency, enhances the Security of Networks and Reduces the Size of Broadcast domain.

8. What is Subnet Masks ?
- An IP Address is Divided into Two Parts : Network and Hosts.
- For Example :- An IP Class A address Consists of 8 bits Identifying the Network and 24 bits
                            identifying the Hosts.
- A Subnet Masks Consists of 32 bits.

9. Difference between RAM & ROM ?
- RAM is a Volatile Memory.
- RAM is a Temporary Memory.
- RAM is also called as Primary Memory.
- ROM is a Non-Volatile Memory.
- ROM is a Permanent Memory.
- ROM is also called as Secondary Memory.

10. How to Upgrade Outlook ?
- Open the Outlook.
- Go to File > Account
- Click on Update Option.
- It will Prompt for Update Now
- Click on Update and it will Update.

11. How to Share a Network Printer ?
- Right Click on the Install Printer
- Go to Properties
- Go to Sharing Tab
- Check mark on the Sharing the Printer
- Click Apply and then OK.
TO ALLOW THE PERMISSION FOR SHARING A PRINTER FOLLOW THE STEPS BELOW :-
Go to Network and Sharing Centre.
- Go to Changing a Advanced Sharing Option
- Turn ON the File and Printer Sharing.

12. What is Virtualization ?
- Virtualization means Running two Logical Machines in One Physical Machines is Known as
   Virtualization.
- There are various Virtualization Platforms such as VMWARE.

13. What is Email Client ?
- Email Client is an Desktop Applications which is used to send and Receive Emails.

14. What are the Protocols of Email Client ?
- Basically there are three Important Protocols which are Recommended during Email Configuration.
- IMAP and POP for Receiving Email and SMTP for Send a Mail.

15. What are the Software for Email Client ?
- Mozilla Thunderbrid for Mac, Windows and Linux.
- AirMail 3.0 is the Email Client for MAC.
- MS Outlook 2016
- Eudora
- Microsoft Exchange.

16. Difference between Firewall and Antivirus ? 
- Firewall is a Network Security System that Monitors over all Incoming and Outgoing Network Traffic .
- Firewall is a Software Program which is used to Protect from Unauthorized Access to or a from private Network.
- Antivirus is an Software which is used to Remove Viruses.

17. Difference Between IMAP and POP ?
- POP delete Copies of Messages from the Server.
- IMAP4  not delete copies of Messages from the Server.