What is a COM device?
A COM device is a hardware component used to read and write data on microfilm or microfiche in form of small microscopic images.
Differentiate between primary memory and auxiliary memory.
A school intends to purchase a new software for exams analysis and financial management in the school accounts office. List items that should accompany the software.
Differentiate the following terms as used in computing:
a) Storage device and storage medium
b) Removable storage media and fixed storage media.
With the aid of a well labelled diagram, define the following terms as used on a magnetic storage media.
List four things that happens to a disk during formatting
List any four types of threats data is exposed to on a networked environment
List the three core principles of data security.
Differentiate the following terms
i) Website and web portal
List any four components of the system unit
Differentiate the following terms.
i) DYNAMIC RAM and Static RAM
Your parents have asked you to advice on the choice of printer for home use. List three considerations that would help in this exercise.
Distinguish between a line printer and a page printer.
Line printers print one line of text at a time while page printers print a whole page at a time.
Modern office use a secondary storage device for backing up data on day-to-day basis. Give two reasons why magnetic tapes are not a suitable choice and suggest the best storage device to use.
Explain two features of a DVD that enables it to store more information than a CD-R
State the importance of the following in programming
It is a language processor that translates assembly language code into machine readable form.
It translates the source code written in high level language into object code at once and this object code is usually executable on its own.
A form four class sat for an exam in eight subjects. A student must get an average of 50% in order to pass. A report is required that will show the name, marks obtained by each student per subject, the average mark and whether the student has passed or failed.
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