Maharashtra state Certificate

1. MS-CIT
Maharashtra State Certificate in Information Technology

2. MS-CIT CERTIFICATE
• ERA (E-Learning Revolution to All)
• Internal Marks = Total 50
• For Eligible Final Exam = Required 20 Marks and 40 Sessions Completed
• Final Exam
• Objectives =15 Marks (Passing 6 Marks)
• Practical Questions = 35 Marks (Passing 14 Marks)
• Total 50 Marks (Passing 20 Marks)

3. Chapter 1:
Information Technology, the Internet, and you
• Information Systems:
• People- we all who use Computer are end users.
• Procedure- The rules or guidelines
• Software- A program is a step-by-step instruction
Software is used to convert data (unprocessed facts) into information
(processed facts)
• Hardware- The equipment like smartphones, tablets, keyboards, mouse,
displays, system units, etc.
Hardware is controlled by software
• Data- the raw, unprocessed facts like text, numbers, images, sound, etc
• Internet-International network of computers

4. People
• The most important part of any information system.

5. Software
• Software is another name for a program.
• Two major kinds of software
• System Software
• Application Software

6. System Software
• System Software is not a single program, it is a collection of programs.
• Operating System - coordinates computer resources, provide an interface
between user and computer, and run applications.
Types of Operating System:-
• Embedded OS (Real-time OS)
• Standalone OS
• Network OS
• Utilities perform specific tasks
• Device Drivers are specialized programs designed to allowed all devices to
communicate with rest of computer system.

7. Application Software
• Also known as End user software
Three categories of application software
• General Purpose applications – browsers, Word, Excel, PowerPoint
• Specialised applications – Tally, Photoshop, CorelDraw, AutoCAD
• Mobile apps – Gpay, WhatsApp, QR Scanner, Translate

8. Guess the application category

9. Hardware
• Computers are electronics devices that can follow instructions to
accept input, process that input, and produce information.

10. Types of Computer
• Personal Computers (PC’s) – Least powerful, Most widely used, fastest
growing type of computer.
1. Desktop
2. Laptop (Notebook)
3. Tablets
4. Smart phones
5. Wearable devices – Apple’s Watch

11. • Super Computers – the most powerful type of computer, used by very
large organisations, used to store and process massive amounts of
data
• IBM’s Blue Gene
• CDAC’s PARAM
Types of Computer

12. • Mainframe Computers – Used by Insurance Companies to store
information about millions of policyholders.
• Not as powerful as supercomputer
Types of Computer

13. • Midrange Computers – Used by midsized companies or departments
of large companies
Types of Computer

14. Personal Computer Hardware
• System Units – is a container that houses most electronic
components
Two important components of system Unit are microprocessor and
memory
Types of Memory:
• RAM
• ROM

15. • Input / Output devices –
• Input Devices – translate data
• Keyboard, mouse, etc.
• Output Devices – translate processed information
• Monitor, Printer, etc.
Personal Computer Hardware

16. • Secondary Storage – Unlike memory, hold data and programs
even after electric power to the computer system has been turned
off.
• Hard disks, pen drives, removable hard disks, solid-state storage, and optical
discs
• Hard disks – store very large data files
• Solid-state storage – does not have moving parts
• Optical Discs – use laser technology, CDs, DVDs, and Blu-ray discs
• Pen drives – portable data storage
Personal Computer Hardware

17. • Communication Devices – communicate to other computer system.
• Modem – is widely used communication device
Personal Computer Hardware

18. Data
• Data is raw, unprocessed facts
• Document files – created by word processors
• Worksheet files – created by electronic spreadsheets
• Database files – created by database management programs
• Presentation files – created by presentation graphics

19. Connectivity and Mobile Internet
• Connectivity is the capability of your personal computer to share
information with other computers.
• Central to the concept of connectivity is the network.
• A Network is a communication system connecting two or more
computers.
• The largest network in the world is Internet.

20. • Cloud Computing – uses the internet and web to shift many computer
activities from a user’s computer to computers on the internet.
• Wireless Communication – tablets, smartphones, and wearable
devices
• Internet of Things (IoT) – that allowed everyday objects embedded
with electronic devices to send and receive data over the Internet.