Computer studies analysis of questions and answers

Sign IN
Enter user name and password to authenticate the access to e-mail account
Search engine
Site used for searching material from the internet
Surf
Browsing or accessing internet resources.
Sign up
Registering to have an account for e-mail or other communication media

0 Comments

Roles performed by system analyst

19/7/2023

0 Comments

Roles performed by system analyst

Analyses and assesses suitability of a system for computerization
Programmers builds on the analyst results to create a new computer based system
Trains staff on the new system
He collects facts from the users
Works hand in hand with programmers to create a new computer based program

0 Comments

Explain the impact of Information Technology on organization in each of the following areas

19/7/2023

0 Comments

Explain the impact of Information Technology on organization in each of the following
areas

Competition

Ability to advertise on the internet
Improve quality of goods
Reduced operational cost

Pace Growth

Reduced cost
Reduced need for man power
Reduced space requirement
Greater output

0 Comments

Difference between 'count' and 'count if functions as used in spreadsheets

19/7/2023

0 Comments

Difference between 'count' and 'count if functions as used in spreadsheets

Count- counts cells that contain values in a range of cells
Count if- counts cells that meet a given criteria in a range of cells.

0 Comments

Difference between a primary key and a a foreign key while designing a database

19/7/2023

0 Comments

Difference between a primary key and a a foreign key while designing a database

Primary key-unique field that identifies a record in a database
Foreign key-a primary key in another table once the tables are linked

0 Comments

Difference between data privacy and data integrity as used in computing

19/7/2023

0 Comments

Difference between data privacy and data integrity as used in computing

Data privacy -keep data secretly so that unauthorized people don't access it
Data integrity- correctness, completeness and accuracy of data

0 Comments

Three ways used to represent negative number binary number system

19/7/2023

0 Comments

Three ways used to represent negative number in binary number system

Ones complement
Twos complement

0 Comments

State the following types of transcription errors

19/7/2023

0 Comments

State the following types of transcription errors.
(a) 3455 instead of 3456……………

Misreading errors

(b) Smith instead of simth. …………

Transposition

0 Comments

Explain the meaning of backup

19/7/2023

0 Comments

Explain the meaning of backup

Making of copies of data, programs incase the originals are corrupted or lost
It is used to protect data from accidental erasure or hardware problems.

0 Comments

Why should you first switch on the UPS before switching on the system unit and the monitor?

19/7/2023

0 Comments

Why should you first switch on the UPS before switching on the system unit and the monitor?

Because the computer get power from the UPS

0 Comments

Effects that dust would have on the operation of computers

19/7/2023

0 Comments

Effects that dust would have on the operation of computers

Dust may cause malfunction of read/write heads of the drive
Dust May cause failure of a fan that cools the processor

0 Comments

Explain the use of any three buttons found in a Spell-check dialog box.

19/7/2023

0 Comments

Explain the use of any three buttons found in a Spell-check dialog box.

Change
accepts the current selection in the Suggestions box.
Ignore Once
leaves the highlighted error unchanged (if the highlighted word is a valid word) & finds the next spelling or grammar error.
Ignore All
retains all the occurrences of the same word or phrase in the document from another language, e.g., a Kiswahili.
Add
Adds the highlighted word in the Suggestions box to the Custom dictionary.

0 Comments

A computer user may interact with a computer either through Graphical User Interface GUI) or through typed commands.

19/7/2023

0 Comments

A computer user may interact with a computer either through Graphical User Interface GUI) or through typed commands.

State two features of a graphical user interface. (2mrks)
- Programs are represented graphically by use of Icons.
- Commands are selected and issued using pointing devices, e.g., Mouse.
- There is use of pull-down menus.
- Programs open by displaying windows.
Give two advantages of using GUI based operating systems over a Command line interface. (2mrks)
- User friendliness.
- Easy to learn.
Some computer systems still use Command line interfaces. State one advantage of command line interface. (1mrk)
- They are more flexible than menu-driven interfaces.

0 Comments

Name three facilities that are needed to connect to the Internet.

19/7/2023

0 Comments

Name three facilities that are needed to connect to the Internet.

Computer Internet software
Telecommunication facilities, e.g., Telephone lines, telephone exchange stations & satellite transmission.
Modems
Internet service provider (ISP)
TCP/IP protocols

0 Comments

What is a Website?

19/7/2023

0 Comments

What is a Website?

A collection/group of related Web pages belonging to an organization or individual

0 Comments

Name the three components of a spreadsheet.

19/7/2023

0 Comments

Name the three components of a spreadsheet.

Workbook/Worksheet.
Database.
Graph/chart.

0 Comments

Mention any two advantages of running both the manual system and the computerized simultaneously

19/7/2023

0 Comments

Mention any two advantages of running both the manual system and the computerized simultaneously.

If the outputs from the two systems are similar, confidence in the ICT system is promoted.
Users have time to familiarize themselves with the ICT systems.
It is reliable because it enables thorough testing.

0 Comments

Identify two main risks of direct changeover during system implementation.

19/7/2023

0 Comments

Identify two main risks of direct changeover during system implementation.

There is risk in terms of disk failure.
The system testing must be done to greater accuracy.
The system requires training of personnel due to introduction of new programs.
The system may be expensive to run due to hardware and software costs.

0 Comments

Give two disadvantages of Direct changeover over Parallel running.

19/7/2023

0 Comments

Give two disadvantages of Direct changeover over Parallel running.

It may be very inconveniencing in case the new system fails or faces problems.
The users may not have not gained enough confidence to run the new system.

0 Comments

Briefly explain the terms parallel running and direct changeover as used in system implementation

19/7/2023

0 Comments

Briefly explain the terms parallel running and direct changeover as used in system implementation

Parallel running is where both the old and the new systems are run in parallel to each other (at the same time) for sometime until users have gained confidence in the new system. Data is processed on both systems in order to compare their performance, and also cross-check the results.
Direct changeover is a complete replacement of the old system with the new system in one bold move. The old system is stopped & abandoned and the new system starts operating immediately.

0 Comments

Give two advantages of using electronic point-of-sale terminals as opposed to manual entry at a supermarket checkout counter.

19/7/2023

0 Comments

Give two advantages of using electronic point-of-sale terminals as opposed to manual entry at a supermarket checkout counter.

Less errors (Correct prices) are used at the point of entry.
It ensures faster entry of data, since the attendant does not have to enter details manually.
Ensures good stock management procedures.

0 Comments

<<Previous

Forward>>

COMPUTER STUDIES QUESTIONS WITH ANSWERS

For each of the following file organization methods, state an appropriate storage medium

For each of the following file organization methods, state an appropriate storage medium

Functions of Central Processing Unit

State two magnetic Storage devices

State two magnetic Storage devices

Suggest three reasons that would make workers unhappy with the new system

Explain the following internet related terms

Roles performed by system analyst

Explain the impact of Information Technology on organization in each of the following areas

Explain the impact of Information Technology on organization in each of the following
areas

Difference between 'count' and 'count if functions as used in spreadsheets

Difference between a primary key and a a foreign key while designing a database

Difference between data privacy and data integrity as used in computing

Three ways used to represent negative number binary number system

State the following types of transcription errors

Explain the meaning of backup

Explain the meaning of backup

Why should you first switch on the UPS before switching on the system unit and the monitor?

Effects that dust would have on the operation of computers

Explain the use of any three buttons found in a Spell-check dialog box.

A computer user may interact with a computer either through Graphical User Interface GUI) or through typed commands.

Name three facilities that are needed to connect to the Internet.

What is a Website?

Name the three components of a spreadsheet.

Mention any two advantages of running both the manual system and the computerized simultaneously

Identify two main risks of direct changeover during system implementation.

Give two disadvantages of Direct changeover over Parallel running.

Briefly explain the terms parallel running and direct changeover as used in system implementation

Briefly explain the terms parallel running and direct changeover as used in system implementation

Give two advantages of using electronic point-of-sale terminals as opposed to manual entry at a supermarket checkout counter.

Categories

Archives

COMPUTER STUDIES QUESTIONS WITH ANSWERS

​For each of the following file organization methods, state an appropriate storage medium

​State two magnetic Storage devices

​Explain the impact of Information Technology on organization in each of the following areas

​Explain the meaning of backup

​Briefly explain the terms parallel running and direct changeover as used in system implementation

Categories

Archives

For each of the following file organization methods, state an appropriate storage medium

State two magnetic Storage devices

Explain the impact of Information Technology on organization in each of the following
areas

Explain the meaning of backup

Briefly explain the terms parallel running and direct changeover as used in system implementation