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A school magazine organizes its works in directories. The directory WP contains the files CATS, EXAMS and ASSIGNMENTS. The directory Sp contains the spreadsheet files and the DB directory contains the database files. The directory PROG is contained in the others directory. The directory WP is contained the PERSONAL directory. Given that the directory student contains directories SP, WP, and OTHERS.
(a) Draw the directory tree structure with C as the root
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A school has brought a computer system. The hardware items include: 800 MHz processor, 640 MB of RAM, a sound card, speakers, a monitor, a keyboard, a 12 GB hard disk, a floppy disk drive, CDRW drive, a mouse, a modem, an inkjet printer and a joystick. The software supplied includes: an OS, a BASIC interpreter and the following packages: Spreadsheets, graphic, word processor, art database and games.
(a) List three input devices from the given specifications
(a) Explain three ways by which computer users can protect their eyes from harmful emissions from the computer screen
(b) List three factors be considered when deciding on the choice of an electronic data processing method
(a) List three application areas of artificial intelligence
Bidii wholesalers have two categories of customers for order processing. Category ‘A’ obtains 10% discount on all orders upto Kshs 10,000 otherwise the discount is 20% on the entire order. Category ‘B’ obtains 30% discount on all orders if the debt repayments is ‘good’ otherwise the discount is 15%. Draw a flowchart for the order processing.  List three parts that constitute an array definition statement
Array = MyArray {1...n} of Integer;  State three operations that can be performed on relational database files
 A student presented a budget in the form of a worksheet as follows  The student intends to have spent half the amount by midterm
(a) In DOS, what are the following commands used for?
(b) What happens when the following commands are typed in DOS environment
 Differentiate between source program and object program
 List duties of each of the following personnel(a) Database administrator
(b) Data processing manager
Distinguish between an intelligent terminal and a dumb terminalDumb terminalA computer or communications terminals that has no processing capabilities (has a keyboard and a monitor). Intelligent terminalA computer terminal that has its own processor 
Related Searches(a) What is utility software
these are system programs that provide a useful service to the user of the computer by proving facilities for performing tasks of a routine nature
(b) Give four examples of utility software
List four stages involved in the data processing cycle (3 mks)
List 3 differences between laser printer and a dot matrix printerLaser
Dot-matrix printer
Dot matrix
A computer teacher put a rule that diskettes should not be used in the computer laboratory(a) Give a reason for the rule
 The computer laboratory What is meant by the term ‘dry running’ as used in program development?
Explain why computers use binary numbers in data representation (2mks)
 Distinguish between a compiler and an interpreter (2mks)
 How is a point of sale terminal used in a business organization? (2mks)
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