COMPUTER STUDIES QUESTIONS WITH ANSWERS
State two methods of minimizing dust in a computer laboratory
0 Comments
Steps in program development cycle in their logical sequence
Name six steps in program development cycle in their logical sequence. (3mks)
Advantages of computer networking
Reasons why computer networks are important:
Suggest how computers may in future be made more users friendly for persons that are:
Blind
Voice - to - Text
Computers that respond to touch and sound (voice)/Braille keyboard
Define the term array as used in computer programming (2mks)
An array is a structure, which holds many variables, all of the same data type.
The array consists of so may element, each element of the array capable of storing one piece of data (variable)
An array is used to store a collection of data, but it is often more useful to think of an array as a collection of variables of the same type.
What are the applications of array?
a) What is a computer network topology?
Arrangement of computers on a network
b) Using appropriate diagrams, show any three computer network topologies
A computer Vendor has recommended the use of a computer database to your
school for student information a) Explain to the Board of Governors what a database is an its functions (5mks)
A database is a shared collection of logically related data (and a description of this data) designed to meet the information needs of an organization.
Functions of a database
i) State one area where computers are used. (2 mks)
A multinational organization has offered to donate computers to your school. The Board of governors has requested you to advise on the operating system to be used by providing answer the following questions.
a) What is an operating system? (1mk)
System software that controls the computer system (hardware and other
application software) b) State and briefly explain an two types of operating systems. (6mks)The roots of the equation ax2 +bx + c= 0 are by the formula
a) Draw a flowchart to compute the roots of the equation. (10 mks)
Functions of a System Analyst
Difference between Job Scheduling and Job SequencingIntroduction
According to technopedia.com, Job Scheduling is the process of allocating system resources to many different tasks by an operating system (OS). Britannica.com has the same definition as technopedia.com. According to (Dr. John Onunga and Renu Shah 2003) K.I.E books 1 Page 156, Job scheduling involves preparing, scheduling and monitoring jobs for continuous processing by the computer system.
They explain the functions carried out at job scheduling as:
Related SearchesTypes of data entries that may be input into a worksheet cell
Point – to - point
a dedicated line of communication if first established before communication can take place
In telecommunications, a point-to-point connection refers to a communications connection between two communication endpoints or nodes.
An example is a telephone call, in which one telephone is connected with one other, and what is said by one caller can only be heard by the other. This is contrasted with a point-to-multipoint or broadcast connection, in which many nodes can receive information transmitted by one node. Other examples of point-to-point communications links are leased lines and microwave radio relay. ~ Wikipedia What meant by the term user-friendly as used in software development?
What is relational database?
This is a database where records are structured within tables (relations)
A relational database is a type of database that stores and provides access to data points that are related to one another.
Relational databases are based on the relational model, an intuitive, straightforward way of representing data in tables. In a relational database, each row in the table is a record with a unique ID called the key. The columns of the table hold attributes of the data, and each record usually has a value for each attribute, making it easy to establish the relationships among data points. 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 Types of graphs that are supported by spreadsheets
Worksheet cells are referenced using the column letter and row number e.g. D2 is cell in column D and row 2.
a) Write down the data type that is stored in cell C5 (1mk)
b) What cell contains the data items representing transport for the month of February?
c) Write down the formula that may be used to compute the total in cell f6.
Give two differences between high-level and low-level languages
|
Categories
All
Archives
December 2024
|
We Would Love to Have You Visit Soon! |
Hours24 HR Service
|
Telephone0728 450425
|
|
8-4-4 materialsLevels
Subjects
|
cbc materialsE.C.D.E
Lower Primary
Upper Primary
Lower Secondary
Upper Secondary
|
teacher support
Other Blogs
|