... enlarge the pictures. - Dis- they are generally more expensive than ordinary cameras. - There not as convenient. 6. Scanner: Ad- Any image can be converted from paper into digital format and later enhanced and used in other computer documents. Dis- Images can take up a lot of memory space. 7. Magnetic stripe reader: Ad- Magnetic strips are built into many plastic cards such as cheque guarantee cards, cash-point cards and personal identity cards. - The magnetic strip on the back of the card can hold the personal details of the card owner and, with the necessary PIN, will allow access to secure information e.g. bank account details. Data stored on the strip is scanned and input into a computer system by a reader. Dis- they can get damaged. - Ordinary equipment can read but not change the data. 8. Microphone: Ad- you can add your own recordings to presentations or emails etc. - People with a range of disabilities can use it ...

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