ICT REVISION WORKSHEET YEAR 9 - PDF Free Download

ICT REVISION WORKSHEET YEAR 9 1. Identify the following device and state whether it is an input/output. Give one use of it. Device Input/output Use 2. Draw four lines on the diagram to match the use to its most appropriate storage medium. Use Storing data in online applications To store data that cannot be changed Saving work and transporting it to other computers Taking backups of file servers Storage medium DVD ROM Fixed hard disc Magnetic tape Pen Drive 1

3. Students can use CDs or pen drives for storing their project file done on the computer. (i) Give two reasons why students may prefer to use pen drives. (ii) What is backup? Give two factors to be considered when backing up a system? Sometimes students need to compresses their work files. (iii) What is file compression? 4. An optical disc is an example of portable storage media. (i) Name two types of optical disc. (ii) Identify two examples of data that could be stored on an optical disc....... 2

Some removable storage devices use flash memory. (iii) Name one removable storage device that uses flash memory.... 5. Jess has been advised to use a PC with a fast processor and a large amount of RAM. They are number of utility software s on her PC. (i) Name the units used to measure the speed of a computer processor.... (ii) What is ROM? Give two features of it. ROM:...... Features of ROM: 1... 2... (iii) What is utility software? Explain the purpose of any one utility program....... 6. Electronic data on a bank card can be stored on a microchip or a magnetic stripe. (i) Describe two reasons why storing data on a microchip is preferable to storing data on magnetic stripe.......... 3

......... (ii) Mention one type of data that is stored on a magnetic stripe card.... 7. Inkjet and laser printers are commonly use printers in the market. (i) Which would be the best printer to purchase for a busy office which needs to print 100s of letters each day? Explain your answer...... (ii) Give one similarity and a difference between impact and non impact printers.......... (iii) Write two different technologies of touch screens and how it differs from the other.... 8. Give the most suitable device and one advantage and disadvantage of suggested method to (i) Input sound (ii) Insert a hand-drawn sketch of an cartoon character into a document 4

(iii) Name a device which is both an input and an output device. (iv) Type a document into the computer 9. George wishes to make a copy of his ICT coursework which is stored on the school computer system. He wants to take it home to finish it for homework. He can borrow a CD RW from school but he has a 128 Mb memory stick of his own. (a) Give two advantages of using the CD RW........ (b) What does CD-RW stand for?. (c) What type of storage is Blu ray disc?... Computer memory is used for storing programs and data currently being processed by the CPU (d) Name the memory that stores these programs.. (e) Give one difference between storage medium and storage media............... 10. Sensors are used in many applications. (a) Name any 2 applications where sensors are used.... 5

(b) Give two advantages of sensors Advantage 1..... Advantage 2.... (c) What are actuators? Give 2 examples of it........................... 11. Without software, most computers would be useless. The OS system plays an important role in a computer. (a) What is application software? (b) Name two internal resources of a computer. 6