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- Radio waves
- Infra Red
marto answered the question on September 26, 2019 at 05:42
- State any two techniques used by a network administrator to detect and prevent computer crimes.(Solved)
State any two techniques used by a network administrator to detect and prevent computer crimes.
Date posted: September 26, 2019. Answers (1)
- State the use of each of the following flowchart symbols.(Solved)
State the use of each of the following flowchart symbols.
Date posted: September 26, 2019. Answers (1)
- List any three protocols used in sending and receiving of emails.(Solved)
List any three protocols used in sending and receiving of emails.
Date posted: September 26, 2019. Answers (1)
- Name three types of graphics used in a word processor.(Solved)
Name three types of graphics used in a word processor.
Date posted: September 26, 2019. Answers (1)
- List three examples of Data Communication Equipment.(Solved)
List three examples of Data Communication Equipment.
Date posted: September 26, 2019. Answers (1)
- What is meant by Data Communication Equipment (DCE)?(Solved)
What is meant by Data Communication Equipment (DCE)?
Date posted: September 26, 2019. Answers (1)
- Briefly describe the two types of spreadsheets.(Solved)
Briefly describe the two types of spreadsheets.
Date posted: September 18, 2019. Answers (1)
- List two duties performed by each of the following personnel.
(i). Database administrator
(ii). Computer trainer(Solved)
List two duties performed by each of the following personnel.
(i). Database administrator
(ii). Computer trainer
Date posted: September 18, 2019. Answers (1)
- Name any two computer related courses that are offered at public universities in Kenya.(Solved)
Name any two computer related courses that are offered at public universities in Kenya.
Date posted: September 18, 2019. Answers (1)
- Robots are introduced in a factory which makes car engines. Mention three ways this could affect the workers.(Solved)
Robots are introduced in a factory which makes car engines. Mention three ways this could affect the workers.
Date posted: September 18, 2019. Answers (1)
- Convert each of the following numbers:
i. 110.1012 to decimal
ii. 12.687510 to binary
iii. Subtract 110.012 from 11001.01012
iv.Using seven-bit twos compliment, perform the following binary arithmetic leaving...(Solved)
Convert each of the following numbers:
i. 110.1012 to decimal
ii. 12.687510 to binary
iii. Subtract 110.012 from 11001.01012
iv.Using seven-bit twos compliment, perform the following binary arithmetic leaving the answer in binary notation. 11012 - 1001012
Date posted: September 18, 2019. Answers (1)
- Study the flowchart below and answer the questions that follow.(Solved)
Study the flowchart below and answer the questions that follow.
(i) State the main type of control structure used in the flowchart.
(ii). Dry run the flowchart and give the expected output.
(iii) What will be the value of product when printed in the following flow chart? Show how you arrive at your answer.
(b). Explain what happens when the expression A = A+1 is changed to A = A-1
c) Give two benefits of structured programming.
Date posted: September 18, 2019. Answers (1)
- Anne was working on her computer studies project. She was worried of the media to use for storing her data.She settled on a media that...(Solved)
Anne was working on her computer studies project. She was worried of the media to use for storing her data.She settled on a media that used serial file organization.
a) How are files organized on a storage medium using this method?
b) List two advantages offered by this type of file organization
Date posted: September 18, 2019. Answers (1)
- Solve 100112-01012(Solved)
Solve 100112−01012
Date posted: August 20, 2019. Answers (1)
- The tables below shows the human resources system in a particular company.(Solved)
The tables below shows the human resources system in a particular company.
The table below shows the tax calculation based on income.
(a) (i) Create he two tables for the database and save the database as Human resource.
(ii) Create relationship between the two tables.
(iii) Insert the data above in the two tables format the salary field to Ksh.
(b) (i) Create a query with all fields in the employee table and a calculated field giving the years of service of the employee (save the query as length of service).
(ii) Create a query based on employee table for the employees employed between two dates (Save the query as between dates).
(iii) Create a query based on the table employee and department add a calculated field tax
and net salary Depending on the income bracket of the employee.(save the query as
payslip.
(c) (i) Create a report based on the query payslip.
(ii) Create a report of employee based on the query length of service.
Date posted: August 20, 2019. Answers (1)
- With reference to word processing define the following terms:
(i) Draft printing
(ii) Orphan
(iii) Widow(Solved)
With reference to word processing define the following terms:
(i) Draft printing
(ii) Orphan
(iii) Widow
Date posted: August 20, 2019. Answers (1)
- Differentiate between:
(i) Search engine and a Browser.
(ii) Sabotage and eaves dropping.(Solved)
Differentiate between:
(i) Search engine and a Browser.
(ii) Sabotage and eaves dropping.
Date posted: August 20, 2019. Answers (1)
- Name and describe how four different areas have been changed negatively by growth in Information Technology.(Solved)
Name and describe how four different areas have been changed negatively by growth in Information Technology.
Date posted: August 20, 2019. Answers (1)
- Differentiate between a byte and a word as used in data representation in a computer.(Solved)
Differentiate between a byte and a word as used in data representation in a computer.
Date posted: August 20, 2019. Answers (1)
- Using twos complement, subtract 1710 from 1310 leaving your answer in binary notation.(Solved)
Using twos complement, subtract 1710 from 1310 leaving your answer in binary notation.
Date posted: August 20, 2019. Answers (1)