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Explain the meaning of the following terms as used in computer data transmission.
(a) Simplex transmission
(b) Half duplex transmission
(c) Full duplex transmission
Date posted:
November 8, 2019
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Explain any two ways in which computers have been made user-friendly for persons that are physically challenged.
Date posted:
November 8, 2019
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State any two types of documentation created in system development.
Date posted:
November 8, 2019
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Anthony, a student at Kericho Technical College defined a computer as "an electronic device which accepts, processes data and produce information depending on its decisions". Was this student right? Explain you answer.
Date posted:
November 8, 2019
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Explain how the following weathering processes contributes to the formation of soil.
(i) Hydration
(ii) Oxidation
Date posted:
November 8, 2019
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You are required to carry out a field study on erosional features in glaciated lowland areas.
(i) Give two reasons why you would require a working schedule.
(ii) Apart from an arete, name two other erosional features you are likely to observe during the field study.
(iii) Give three follow up activities you would undertake after the field study
Date posted:
November 8, 2019
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Describe how the following features are formed: -
(i) Grikes and clint
(ii) Stalactite
Date posted:
November 8, 2019
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Name two areas in Africa associated with karst scenery.
Date posted:
November 8, 2019
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Explain four economic significance of faulting.
Date posted:
November 8, 2019
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Study the diagram below and use it to answer the questions below.
(i) Name the parts labelled H, J, K and L
(ii) Give three examples of fault blocks
Date posted:
November 8, 2019
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The distance from A to B is d km and that from B to C is x km. if a bus maintains an average speed of 50 km/h between A and B and 60 km/h between B and C, it takes 3 hours to travel from A to C. If it maintains 60 km/h between A and B and 50 km/h between B and C, the journey takes 8 minutes less.
What is the distance from A to C via B?
Date posted:
November 8, 2019
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The diagram below represents occurrence of tides.
Name the parts marked P, Q and R.
Date posted:
November 8, 2019
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The diagram below shows way through which wind transport its load.
(a) Name the ways marked E, F and G.
(b) Identify two features formed by wind deposition in desert.
Date posted:
November 8, 2019
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A cylindrical tank of diameter 1.4 m and height 1.2 m is two – thirds full of water. The tank if filled using a cylindrical bucket of diameter 35 cm and diameter 20 cm. Find the number of buckets required to fill the tank.
Date posted:
November 8, 2019
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Solve for x in the equation 125-x × 52(x-2) = 25(x+2)
Date posted:
November 8, 2019
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The diagram below is an illustration of a composite pit. Study the illustration and answer the questions that follow.
a) Name the parts labelled 1 – 3.
b) Give the importance of 5, 4, and 3.
c) (i) Why is it advisable that a long sharp pointed stick driven into the compost pit at an angle?
(ii) State two ways of identifying that the manure is ready.
Date posted:
November 8, 2019
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a) Complete the table given below by filling the blank spaces.
b) On the grid provided draw on the same axes, the graph of y=4 cos2x and y=2 sin (2x +30o ) for OO ≤ X ≤180O . Take the scale 1cm for 15o on the x –axis and 1cm for 1 unit on the y-axis.
c) From your graph
i) State the amplitude of y= 4cos 2x.
ii) Find the period of y=2sin(2x +30o )
d) Use your graph to solve 4cos 2x – 2sin (2x + 30o ) = 0
Date posted:
November 8, 2019
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a) The first term of a geometric progression is 36. The sum of the first three terms is 27.
Calculate the common ratio and the value of the second term.
b) The first term of an AP is 2. The first term of a geometric sequence is also 2 and its common ratio
equals the common difference of the arithmetic sequence. The square of the fifth term of arithmetic
sequence exceeds the third term of the geometric sequence by 2. Find the common difference and the
sum of the first 50 terms of AP.
Date posted:
November 8, 2019
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State two precautions a farmer would take to minimize risks in production of maize.
Date posted:
November 8, 2019
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Name an example of a system of farming which is characterized by use of large tracks of land and production of one crop.
Date posted:
November 8, 2019
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The table below shows the income tax brackets for a certain year.
Mr.Bundi earns a monthly salary of ksh.45, 000. He gets a house allowance of ksh.13, 000 and a
commuter allowance of ksh.6, 000. He is entitled to a family relief of ksh.1, 166 per month. Find
a) Mr.Bundi’s taxable income in ksh per month.
b) Total tax payable per month in ksh. by Mr.Bundi.
c) Mr.Bundi’s net salary per month if the following deductions are also made monthly.
NHIF –ksh. 1500
Wcps 2% of basic salary.
Date posted:
November 8, 2019
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Give two crops requiring training.
Date posted:
November 8, 2019
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State two functions of polythene sheet when used as mulch material.
Date posted:
November 8, 2019
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Distinguish between a ledger book and a journal book as used in farm accounts.
Date posted:
November 8, 2019
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List two types of market in agricultural economics.
Date posted:
November 8, 2019
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Give two ways in which pesticides kill pests.
Date posted:
November 8, 2019
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State two ways of overcoming the problem of water logging in crop production.
Date posted:
November 8, 2019
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Give two effects of overstocking in pasture management.
Date posted:
November 8, 2019
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Give two ways by which overheating can be avoided in the process of making silage.
Date posted:
November 8, 2019
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Give two ways in which labour peak constraint can be overcome in the farm.
Date posted:
November 8, 2019