Computer Studies (Primary Classes)

Business Studies

PARTS OF COMPUTER KEYBOARD

THE COMPUTER A computer is an electronic device that can accept data and process data in order to get the required information. The computer receives data through the input device, and it processes the data to generate 1information which it produces and displays through the output device.   PARTS OF THE COMPUTER A computer has […]

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CARING FOR COMPUTER USERS

Human ware refers to the human beings that use the system. In other words, the users of the computer system are the end – users and professional alike. CARING FOR COMPUTER USERS Sitting position/posture. Using anti – glare protector. Maintaining dust free. Replace faulty components. Ventilation Enumerate ways of caring for computer users. Demonstrate correct

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Computer (Primary Classes)

CARING FOR COMPUTER HARDWARE

Hardware is the physical computer equipment that we can see and touch. They include: The input devices such as a mouse and keyboard, the processing device like system unit. The output device like printers and video display units (VDU). Other hardware includes speaker, scanner, microphone and joystick.   STEPS FOR CARING FOR COMPUTER HARDWARE Position

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Computer (Primary Classes)

MISUSE OF COMPUTER

AREAS OF COMPUTER MISUSE There are however many areas where computer has been used for wrong or negative things. These are including: Piracy Computer software is written by computer programmers for sale. However, a lot of users simply get copies of software from friends and colleagues for use on their system without paying for it.

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Computer (Primary Classes)

CAREER OPPORTUNITIES IN COMPUTING

There are many careers opportunities in computer, these include: Teacher: To teach at primary, secondary and tertiary levels.   Computer Programming: To write computer programs.   Computer Engineering: To assemble and repairs computers.   Computer Analysts: To determine programs inside computers.   Hardware Maintenance and Support: To service computers.   Business Analyst: Offer computer solutions

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Computer (Primary Classes)

COMPUTER AND THE SOCIETY

Computer and computer applications are used in various aspects of human activity. In fact, most professions have application software written specifically for them to solve certain tasks. Architects have the AUTOCAD software that aid in the design of building and other structures. SMALL SCALE APPLICATION OF COMPUTER IN THE SOCIETY Digital Wrist watches replacing clock. Word Processing replacing

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Computer (Primary Classes)

DRAWING WITH PAINT ARTISTS

DRAWING A LINE To draw a line: Click the line tool. To draw the line, drag the pointer. Draw a perfectly horizontal, vertical, or diagonal line.   DRAWING A RECTANGLE To draw a rectangle  Click on the rectangle tool. Drag from the upper end to the lower end of the page. Go back to the

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Computer (Primary Classes)

Computer Mouse

The mouse is that part of a computer which looks like a live mouse. The mouse tells the computer what to do by controlling the characters of the keyboard. A mouse has two buttons on it. It can also be clicked once or twice. Presentation Step I: Teacher revises the previous topic Step II: Teacher

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Computer (Primary Classes)

Computer Keyboard

We can ask the computer to do many things by working on the keyboard. A keyboard contains letters of the alphabet, A– Z and numbers 0–9. It also contains function keys F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11 and F12. Signs like the comma and full stop are on the keyboard.

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Computer (Primary Classes)

Computer Monitor

The monitor shows on its screen what is typed into the computer. It also shows what is stored in the computer when needed. The monitor looks like a television set. It is also called the visual display unit (VDU). There are two types of monitor: The monochrome monitor: A monochrome monitor shows black and white

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Computer (Primary Classes)

Uses of IT Devices

Many objects function like the computer. We make use of some of these objects in our daily activities. They are electronic devices. Some of these devices and their uses are: Calculator: A calculator is a machine used for solving arithmetical problems. Cell phone: A cell phone is used for making and receiving telephone calls. It

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Computer (Primary Classes)

Digital Wrist Watch

A digital wrist watch is used for keeping time. It tells time in seconds, minutes and hours. A digital wrist watch also shows the date. Parts of a digital wristwatch Case: The case holds the inner working parts of the watch. Lugs: The lugs are where the case of the watch connects to the strap

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Computer (Primary Classes)

Electronic Organizer

An organizer is used for keeping personal records, data or information. You can use it for keeping the birthdays of members of your family and those of your friends. Uses of organizer Assist students in organizing information. For storing information and data For keeping memories Assist teachers in planning lesson Illustrate the school’s goals or

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Computer (Primary Classes)

Smart Phones

A smartphone is a cell phone that allows you to do more than make phone calls and send text messages. Smartphones can browse the Internet and run software programs like a computer. Smartphones use a touch screen to allow users to interact with them. Parts of a smart phone The following are parts of a

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Computer (Primary Classes)

Disk Drive

FLOPPY DRIVES Named for the media disks that could be pulled out and that would ‘flop’ when carried. These disks are designed to allow users to store data to a disk, remove it and carry the data elsewhere. These typically come in one of two formats in the United States: 3.5″ @1.44Mbytes and 5.25″ at

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Computer (Primary Classes)

Disk Drive

Storage devices are parts of the computer system in which we store information. The two kinds of storage devices are the Main memory storage devices, and Backing storage devices. The main memory storage devices a) Random Access Memory (RAM) RAM stores data, programming languages band applications software only. This storage is only for some time.

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Computer (Primary Classes)

Disk Drive

Hard disk drives Advantages Large capacity Faster than optical disks like DVD’S Persistent storage Easily replaced and upgraded   Disadvantages of Hard Disj Drives Relies on moving parts Disk surface can be damaged Heavy power consumption Noisy Slower read and write speed than RAM   Strategies & Activities: Step: Teacher revises the previous topic. Step

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Computer (Primary Classes)

HARD DISK

A hard disk drive (HDD) is a non-volatile computer storage device containing magnetic disks or platters rotating at high speeds. It is a secondary storage device used to store data permanently, random access memory (RAM) being the primary memory device.   DIFFERENCE BETWEEN FLOPPY DISK AND HARD DISK A floppy disk is a circular piece

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Computer (Primary Classes)

Disk Drive

MEANING OF DISK DRIVE A drive is a location (medium) that is capable of storing and reading information that is not easily removed, like a disk or disc A disk drive is a device that reads and/or writes data to a disk. The most common type of disk drive is a hard drive (or “hard

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