ICT YEAR SEVEN

Created
    English
  1. Computers
  2. 7 Grade
  3. By hussain korir
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END OF SEMESTER 1 PROGRESSION TEST 2021 Information Communication & Technology 1. A part from laptops name other types of computers. 2. What is an input devices ? b) name four examples of input devices. 3. RAM and ROM are examples of storage devices used in a computer, a) What is the meaning of ROM? b) What is the meaning of RAM? c) Give the difference between ROM and RAM. 4. What is computer hardware? b) Name the examples of computer hardware. c) Maimuna’s printer is not functioning well, Is a Printer, An hardware or Software?

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5. Now days robots are widely used in the field of medicine , Name other areas where robots can be used. b) what are the advantages of using robots ? c)What are the disadvantages of using robots? 6. The school was planning to hold a web conference at the end of the year , a. Name three devices the the school would need in order to be able to contact the conference. 7. The folowing are sensors used in ICT ,State the function of each. A .Proximity sensor. b) Moisture sensor. c) Motion sensor. d) P.H sensor.

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8. Why is our normal numbers called denary( base 10)? a) Write five digits that are found in denary / decimal numbers. b) What is binary number? c) Write to digits used in binary numbers. 9. How many bits are there in binary number 01010 a)Complete the following binary conversion table. By writing the missing figure _ 64 _ _ 8 4 _ 1 b. Use the table above to convert the following binary numbers to denary numbers. I) 1111- ii) 01101- iii) 0001-

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10. Convert the following denary numbers to binary(don’t show the workings give your answer only) a) 40- b) 24- 11. Why are computers referred to as digital device? b) Apart from text name other types of data that can be stored in binary form. 12. What is the difference between website and a webpage? b. What is a web browser? c) State three examples of web browsers , 13. Why are you advised not to share your personal data online? b) State three examples of personal data. 14. We always used passwords to secure our devices , why do you thing a password like this”1234 ” is a poor password?

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15. a) Computer viruses are said to be harmful to our computers , describe how one can protect their computer from viruses. b) What is anti-virus? 16. Sarah let her computer in the office, and later she found it hacked . A) What is Hacking? 17. State five safety measures that you should take while using the internet. 18. Social media has be come a common means of communication among the youth .Name three examples of social media plaforms. b) State two disadvantages of using social media , Success