COMPUTER STUDIES QUESTIONS WITH ANSWERS
Distinguish between margins and borders as used in word processing
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List two arithmetic operations that can be performed on a row of numeric data in a word processing table.In each case of (a) above, write the expression used.Explain the following graphic terms: Rotate and Crop
State two application areas of a desktop publishing software.
Explain the following software terms: Portability and Modularity
(a)Portability
Ability of a software to work/ function in several computer hardware and O/S platforms (b)Modularity Ability of software to be broken down into several sections for easier understanding and maintenance. Explain two ways in which ICT can enhance commerce.
Differentiate between COM ports and LPT ports
What is an Internet Service Provider?
b) An employee in a business company is charged with the responsibility of putting the company advertisements on the Internet.
ANSWERS
(a) What is an internet service provider?
A company that provides internet services. Connects users to the internet (b) An employee in a business company is charged with the responsibility of putting the company advertisement on the internet (i) State the professional title of the employee Web administrator, web designer (ii) Give an example of software used by this employee to carry out the above task HTML, Dream weaver, MS Front Page What actions should be taken in case of a fire outbreak in the computer laboratory?
A 3 by 4 matrix M is to be added to another 3 by 4 matrix array N so as to give a third 3 by 4 matrix array P. Using a high level programming language, write a program segment that assigns the sum of M and N to P.
Program add matrix (input, Output);
Type Matrix = Array (14, 13) of integer; Var A, B, C: Matrix; I, J: Integer; Producer add (Var X, Y, Z: Matrix); Begin (add) For I: to 3 do Begin For J: 1 to 4 do Z [l,J]: X [l, J] + Y[l,J]; End End; {add} High level programming languages
Question Source: KNEC KCSE 1998 Computer Studies
The ‘while…do’ loop is a control structure designed to execute the same block of code again and again until a certain condition is fulfilled. This loop is used if a condition has to be met before the statements within the loop are executed. What meant by the term user-friendly as used in software development?
what are peripheral devices?
Give two examples of peripheral devices
Distinguish between transcription and transposition types of errors and give an example of each22/12/2020 Distinguish between transcription and transposition types of errors and give an example of each
What is meant by; Analogue data and Digital data
(a) Analogue data: Data that is based on physical variations such as loudness and pitch, electoral voltages
(b) Digital Data- Data, which use the computer’s binary number systems 0 and 1
Testing of a program should not be miscued with system implementation and testing of SDLC stages.
Testing of a program is also called debugging and its done by programmers unlike system testing phase done by Quality assurance professionals. Expected Response
For debugging to take place, the programmer needs the following tools.
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