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AIOU SOLVED ASSIGNMENT 1 CODE 1431 AUTUMN 2017


Aiou solved assignment 1 code 1431 autumn 2017 is being uploading for B.Com and B.A level students. Aiou solved assignment 1 code 1431 autumn 2017 for the subject Information and computer Technology. We here are delivering you the aiou solved assignment 1 code 1431 autumn 2017. This AIOU SOLVED ASSIGNMENT 1 CODE 1431 AUTUMN 2017 is completely solved by the Computer Masters. So always rely on us and our solved assignments.

AIOU SOLVED ASSIGNMENT 1 CODE 1431 AUTUMN 2017 COMPUTER

Question No. I:-
A) DEFINE THE TERM COMPUTER. ALSO DESCRIBE DIFFERENT TYPES AS WELL AS APPLICATIONS OF THE COMPUTER.
B) HOW INFORMATION AND COMMUNICATION TECHNOLOGIES MAY PROVE TO BE USEFUL IN AN EDUCATIONAL SYSTEM. EXPLAIN IT IN DETAIL WITH THE HELP OF SUITABLE EXAMPLES
Answer:-
COMPUTER:-
A computer is an electronic machine, operating under the control of instructions stored in its own memory that can accept data, manipulate the data according to specified rules, produce results, and store the results for future use. Computers process data to create information. Data is a collection of raw unprocessed facts, figures, and symbols. Information is data that is organized, meaningful, and useful. To process data into information, a computer uses hardware and software. Hardware is the electric, electronic, and mechanical equipment that makes up a computer. Software is the series of instructions that tells the hardware how to perform tasks.
Technically, a computer is a programmable machine. This means it can execute a programmed list of instructions and respond to new instructions that it is given. Today, however, the term is most often used to refer to the desktop and laptop computers that most people use. When referring to a desktop model, the term “computer” technically only refers to the computer itself — not the monitor, keyboard, and mouse. Still, it is acceptable to refer to everything together as the computer. If you want to be really technical, the box that holds the computer is called the “system unit.”

AIOU SOLVED ASSIGNMENT 1 CODE 1431 AUTUMN 2017 INFORMATION TECHNOLOGY

Some of the major parts of a personal computer (or PC) include the motherboard, CPU, memory (or RAM), hard drive, and video card. While personal computers are by far the most common type of computers today, there are several other types of computers. For example, a “minicomputer” is a powerful computer that can support many users at once. A “mainframe” is a large, high-powered computer that can perform billions of calculations from multiple sources at one time. Finally, a “supercomputer” is a machine that can process billions of instructions a second and is used to calculate extremely complex calculations.
DIFFERENT TYPES OF THE COMPUTER
The main types of computer are supercomputers, mainframes, personal computers, laptops, net books, tablets and smart phones. Each has different purposes and capabilities.
Supercomputers have huge data storage capacities and unrivaled processing power. They are used by large organizations that require immense computing power. These computers are exceptionally expensive and very delicate. Housed in clean rooms, supercomputers must be kept free of dust and debris, and have to be constantly cooled because of the heat they generate.
Mainframe computers have considerably less power and capacity than supercomputers, but significantly more than personal computers. They are capable of processing billions of instructions per second and handle vast quantities of data simultaneously.
Personal computers are common in homes and offices throughout the world. Modern models have large storage capacities and run multiple applications simultaneously.

FIND ALSO:- COMPUTER AIOU SOLVED ASSIGNMENT 2 CODE 1431 AUTUMN 2017

Modern laptops feature similar specifications to desktop computers, with the added bonus of being portable. However, laptops can feel heavy and battery life can be an issue if needing to work for long periods without being able to recharge.
Netbooks are smaller and lighter than laptops, but have considerably less storage capacity and power. However, their small size and minimal weight makes them attractive for browsing the web, checking emails and creating documents when not in the office.
Tablets and smartphones are similar in nature and operate on a touchscreen basis. They are user-friendly, lightweight and very convenient, being popular with people of all ages and backgrounds.
APPLICATIONS OF THE COMPUTER
Most of the beginners confused about types of Computer applications and it is not easy to divide computer applications into any exact categories. At present there is no clear definition available to categorize computer applications. Even though here is a small list of different types of computer applications.
1. Embedded Systems
2. Windows applications (also called ‘Desktop applications’)
3. Web Applications
4. Web Services
5. Console applications

AIOU SOLVED ASSIGNMENT 1 CODE 1431 AUTUMN 2017

EMBEDDED SYSTEMS:-
When we save a name, address and other information in to our Mobile Phone or Digital Diary, You know how it gets saved in it? Nothing but which is a small computer program ‘Embedded’ into a chip in the device inside the mobile phone or digital diary known as Embedded Systems.

WINDOWS APPLICATIONS:
Windows Applications is a form based standard Windows, Microsoft word; Paint is example to the Windows application, and also called ‘Desktop applications’.

WEB APPLICATIONS:
A web site is also called ‘web Applications’. A web applications is a collection of web pages hosted on a special computer called ‘web server’. Web server can be located anywhere and visitors can be located anywhere .It will work through Browsers (EG. Internet Explorer, Mozilla, Netscape).

AIOU SOLVED ASSIGNMENT 1 CODE 1431 AUTUMN 2017

WEB SERVICES:
Web services are web applications that give services to other applications through the internet, example Google search engine, Yahoo Search engine etc. which allows other applications to delegate the task of searching over the internet.

CONSOLE APPLICATIONS:
Console applications runs inside the command prompt i.e. DOS window, it is a light weight program and which is used commonly for test applications.

Ans:- b)
Educational ICT tools can be divided into 3 categories: Input source, Output source and Others. See the following graph :
Worldwide research has shown that ICT can lead to improved student learning and better teaching methods. A report made by the National Institute of Multimedia Education in Japan, proved that an increase in student exposure to educational ICT through curriculum integration has a significant and positive impact on student achievement, especially in terms of “Knowledge • Comprehension” • “Practical skill” and “Presentation skill” in subject areas such as mathematics, science, and social study.

AIOU SOLVED ASSIGNMENT 1 CODE 1431 AUTUMN 2017

However, you can see that there are many education technology solutions provided in the world which may cause confusion among educators about how to choose the right ICT solution. Let’s have a look at the advantages and disadvantages of ICT tools for education and discover what kind of education ICT solution is suitable for your school needs.
3 MAIN ADVANTAGES OF ICT TOOLS FOR EDUCATION
1• Through ICT, images can easily be used in teaching and improving the retentive memory of students.
2• Through ICT, teachers can easily explain complex instructions and ensure students’ comprehension.
3• Through ICT, teachers are able to create interactive classes and make the lessons more enjoyable, which could improve student attendance and concentration.

3 MAIN DISADVANTGES OF ICT TOOLS FOR EDUCATION
1- Setting up the devices can be very troublesome.
2- Too expensive to afford
3- Hard for teachers to use with a lack of experience using ICT tools

AIOU SOLVED ASSIGNMENT 1 CODE 1431 AUTUMN 2017

QUESTION NO.2:-
A) WHAT IS THE DIFFERENCE BETWEEN MEMORY AND HARD DISK? EXPLAIN IN DETAIL
B) WRITE A SHORT NOTE ON “DATA SCANNING DEVICES”

Answer:- A:-
Difference between memory and hard disk:-

HARD DISK
An opened Hard Disk Drive
A Hard Disk Drive (HDD), or sometimes just hard disk or hard drive, uses physical platters coated with magnetic material to store data. As the disk spins underneath read/write heads, the changes in magnetic polarization can be read by the read head, or they can be set or written by the write head.
A hard disk is a physical device that typically resides in your computer, although it’s very common to have external hard drives connected to your machine using USB or Fire wire.
There are two things that distinguish hard drives from other forms of storage:

AIOU SOLVED ASSIGNMENT 1 CODE 1431 AUTUMN 2017

A traditional hard drive involves moving parts. The platters spin at speeds measured in thousands of revolutions per minute and the read/write head moves back and forth across the spinning platters.
Because magnetic and not electronic components are used for storage, a hard drive retains its contents even when the power is removed.
Computers come with a hard disk on which the operating system and initial set of programs are installed. This is where you’ll save your work. You can replace the hard disk with a larger one, taking care to move the data from the old hard disk to the new. You can also add additional hard disks either internally, if your computer has room, or externally, through USB and similar interfaces. Technically, there’s no limit to how much hard disk space most computers can have, but practically, the sheer number of drives, connections and power required for more drives limits the amount of space you can add.

AIOU SOLVED ASSIGNMENT 1 CODE 1431 AUTUMN 2017

The machine that I’m working on now came with a 300-gigabyte drive. It has since been upgraded to include a one terabyte (one trillion bytes) drive, a 1.5 terabyte drive internally and a 500-gigabyte drive attached via a USB connection. The hard disk, sometimes called the “hard drive” (which is actually the mechanism that holds the hard disk), is a spindle of magnetic discs that can hold several gigabytes of data. Therefore, disk space refers to how much space you have available on your hard disk for storing files. When you save a document or install a new program, it gets stored on your hard disk. The more files you download, install, or save on your hard disk, the fuller it becomes.
Memory, on the other hand, is not the same as disk space! Memory refers to the random access memory (RAM) inside your computer. RAM consists of small chips also known as memory modules. Your computer uses memory (RAM) to store actively running programs on the computer, including the operating system. For example, the operating system’s interface and other processes get loaded into memory when the computer boots up. When you open a program like Microsoft Word, it gets loaded into the computer’s memory as well. When you quit the program, the memory is freed up for use by other programs.

AIOU SOLVED ASSIGNMENT 1 CODE 1431 AUTUMN 2017

Like a hard drive, computer memory is usually measured in either Megabytes (mb) or Gigabytes (gb.) Memory is often referred to as RAM, which stands for Random Access Memory.
Memory is used by computer programs to temporarily store data and every time you turn off your computer, anything stored on the Memory is deleted. For example, if you are playing a computer game, the level you are on might be stored in memory.
The reason computers use Memory to temporarily store data instead of the hard drive is because it can be accessed much quicker than the hard drive can, but most operating systems also use hard drive space like memory as well.
“Memory” is RAM. It’s that simple.
Normally, the term memory refers only to RAM, not your hard disk.
It’s this confusion that I see frequently. A statement like, “I just added 500 gigabytes of memory to my machine,” is unlikely to be true. You might have added 500 gigabytes of hard disk space, but at this writing, 500 gigabytes of RAM is well beyond the reach of any consumer PCs, which tend to max out in the eight, 16 or maybe 32 gigabyte range.

AIOU SOLVED ASSIGNMENT 1 CODE 1431 AUTUMN 2017

b)
Optical Recognition System provide another means of minimizing keyed input by capturing data at the source. These systems enable the computer to “red” data by scanning printed text for recognizable patterns.
The banking industry developed one of the earliest scanning systems in the 1950’s for processing Cheque. The Magnetic link Character Recognition (MICR) system is still used throughout the banking industry. The bank, branch, account number and Cheque number are encoded on the Cheque before it is sent to the customer. After the customer has used the Cheque and it comes back to the bank to the bank, all that needs to be entered manually is the amount. MICRO has not been adopted by other industries because the character set has only fourteen symbols.
BAR CODE READER:
Of all the scanning devices, you are probably most familiar with BAR CODE READES. Many retail and grocery stores use some from of bar code reader to determine the item being sold and to retrieve the item price from a computer system. The code reader may be a handled unit or it may be embedded in a countertop. The bar code reader reads the Universal Product Code (UPC), a pattern of bars printed on merchandise. The UPS has gained the use of the code because the system was used to check their accuracy and speed. Today, bar codes are used to update inventory and ensure correct pricing. Federal Express employees can usually tell a customer within a matter of minutes the location of any package.

AIOU SOLVED ASSIGNMENT 1 CODE 1431 AUTUMN 2017

OPTICAL MARK READER:
By taking exams, you are familiar with Mark Sense Character Recognition systems. Every time you take a test with a “fill in the bubble” Scranton from and use a #2 lead pencil, you are creating input suitable for and OPTICAL MARK READER (ORMO. A #2 lead pencil works best because of the number of magnetic particles in that weight lead. The OMR sense the magnetized marks, enabling the reader to determine which responses are marked.

OPTICAL SCANNERS:
Can scan typed documents, pictures, graphics or even handwriting into a computer. Photographs scanned into a microcomputer appear clearly on the screen and can be displayed whenever desired. The copy that the computer stores never yellows with age. Early scanners could recognize only text printed in a special OPTICAL CHARACTER RECOGNITION (OCR) typeface. A scanner converts the image that it sees into numeric digits before storing it in the computer. This conversion process in known as DIGIZING
Depending on the volume and type of material to be scanned, you can use drum scanner, flatbed scanner, sheeted scanner and even small handheld scanners. The small, hadheld scanner sheeted scanners(priced at about $150) are used most frequently with micro microcomputer; however, only 5 per cent of all microcomputer systems are equipped with scanners. Manufacturers responded to user reluctance to use scanners by releasing in 1995 a number of new, small paper scanners priced between $500 and $700.) most of these new devices sit between the keyboard and the monitor and can interface with a fax machine, send e-mail, and store documents on disk for archive purposes.

AIOU SOLVED ASSIGNMENT 1 CODE 1431 AUTUMN 2017

DIGITIZER:
Digitizer is used to create drawing and pictures using a digitizer tablet by a process called digitizing. Page
Digitizing is a process by which graphic representations are converted into digitizer consist of 3 main parts — a flat surface called tablet, a small hand held mouse-like device called puck and a special pen like device called stylus. The puck is used to input existing drawings into the computer. The stylus is used to trace exiting drawing placed on the tablet. The user makes contact to the tablet with stylus. As the stylus is connected to the tablet by a write, the traced image is stored in RAM and displayed on the monitor.
ELECTRONIC CARD READER:
Before discussing electronic card reader, let we discuss electronic credit cards. Electronic credit card make it possible to charge online payments to one’s credit card account. It is card details can be encrypted by using the SSL. Protocol in the buyer’s computer, which is available in standard browsers. The number of input devices are common in association with ash transactions. The most common are ATMs and POS terminals.

1. ATM:
Automatic Teller Machine are interactive input/output devices the enable people to make bank transactions screen input as well as magnetic card readers.

2. POS: Point of Sale: terminals are computerized cash registers that also often incorporate touch screen technology and bar-code scanners. These devices allow the input of numerous data such as item sold, price, method of payment, name or Zip code of the buyer, and so on. Some inputs are automated; others may be entered by the operators.

AIOU SOLVED ASSIGNMENT 1 CODE 1431 AUTUMN 2017

VISION INPUT SYSTEM:
Are the latest input devices that can recognize the vision/image which appears in the range of its lens? It seems to be very useful and are becoming popular in different Got. Departments like licensing, passport department and other authorities where personal identification is required.

FOR QUESTIONS # 03 – 04 CLICK HERE
FOR QUESTIONS # 05 CLICK HERE

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