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ANALYSIS OF KCSE COMPUTER STUDIES TOPICAL QUESTIONS & REVISION KITS

This site is a creation of all possible KCSE computer studies questions and answers
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A school has been advised to employ a database administrator. State three responsibilities of this personnel in the school.

15/1/2021

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A school has been advised to employ a database administrator. State three responsibilities of this personnel in the school.

​(b) Explain two ways in which computers can be used in the transport industry. 
(c) Mary was advised to partition a hard disk for her computer. Explain two reasons that may have necessitated this. 
(d) Explain a reason for conducting each of the following studies in systems development:
(i) Schedule feasibility; 
(ii) Technical feasibility. 
RESPONSES
a) Possible responsibilities of a database admin in a school
  •  Carrying out school database backups.
  •  Recovering of lost school data incase of system failure.
  •  Ensuring the security and integrity of the school system.
  •  Adding new users to the school system and managing the user’s accounts.
  •  Designing and developing database application for the school.
  •  Updating or maintaining database for the school.
b) Ways in which computers can be used in a transport industry.
  •  Use of GPS to track vehicles, flights etc.
  •  Bookings to different destinations can be done through the use of computers ( online booking).
  •  The computers can also be used to reduce the speed of vehicles and bring sanity in the industry.
  •  Managing human resource involved in the industry.
c) Reasons for partitioning hard disk
  •  For security purposes, incase one partition fails the second partition remains functional.
  •  If she requires backup copies to be stored in the same hard disk.
  •  If she intends to install more than one operating system.
d) (I Schedule feasibility
  •  To determine if the proposed solution can be developed within the required time.
(ii) Technical feasibility
  •  To determine if the system can be supported by the available technology.
​(b) Explain two ways in which computers can be used in the transport industry. (c) Mary was advised to partition a hard disk for her computer. Explain two reasons that may have necessitated this. (d) Explain a reason for conducting each of the following studies in systems development: (i) Schedule feasibility; (ii) Technical feasibility.

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List two career opportunities directly associated with computer networking.

12/1/2021

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List two career opportunities directly associated with computer networking.

  •  Network administrators
  •  Network engineers
  •  Network technicians
List two career opportunities directly associated with computer networking.

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Distinguish between a systems administrator and a database administrator as used in computers.

10/1/2021

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Distinguish between a systems administrator and a database administrator as used in computers.

Distinguish between systems administrator and database administrator
  •  Systems administrator is responsible for all parts of computer network such as user accounts, computer accounts, domain trusts, email accounts;
  •  Database administrator deals with only aspects of database such as database server and client software.
Distinguish between a systems administrator and a database administrator as used in computers.

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A computer user ¡s unable to retrieve a file stored in a server in an organisation. State three reasons why the user would need to contact the network administrator.

7/1/2021

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A computer user is unable to retrieve a file stored in a server in an organisation. State three reasons why the user would need to contact the network administrator.

 Role of network administrator
  1. to confirm that the network services are running;
  2.  to confirm that the user is granted appropriate privilege to access the
  3. network services/password/authentication;
  4.  to confirm that the network infrastructure is in good condition;
  5.  to confirm that the files sought are in existence
A computer user ¡s unable to retrieve a file stored in a server in an organisation. State three reasons why the user would need to contact the network administrator.

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List two career opportunities directly associated with computer networking.

6/1/2021

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List two career opportunities directly associated with computer networking.

List two career opportunities associated with computer networking.
  •  Network administrators
  •  Network engineers
  •  Network technicians
List two career opportunities directly associated with computer networking.

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State three techniques used by a network administrator to detect and prevent computer crimes.

5/1/2021

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State three techniques used by a network administrator to detect and prevent computer crimes.

​(b) A company in town wishes to link its offices together. The linking may be through wireless or fibre optic network media.
(i) State two benefits that the company would gain from the use of metropolitan area network (MAN).
(ii) State three advantages of using wireless over fibre optic network media.
(iii) State two limitations of wireless communication. 
(iv) State two transmission media used in wireless transmission. 
(c) State three ways in which computer virus infection can be prevented other than through restricting the usage of removable storage media.

RESPONSES

(a) Audit trail
  •  Use of antimalware software
  •  Data encryption
  •  Log files
  •  Firewall
  •  Intruder detection
  •  User access levels
  •  Password/Biometrics
(b)(i) High speed communication
  •  Reduce data transfer charges
  •  Provides a secured network .
  •  Allow remote access
  •  Media cannot be vandalised easily
(ii) No cumbersome cabling needed between sites.
  •  Support multi-channel transmissions.
  •  Wireless supports un-directed signals therefore allowing many recipients.
  •  Do not require access rights on the land between the buildings.
(iii)Line of sight requirement.
  •  Expensive towers required/high initial cost.
  •  Subject to interference such as passing radio waves and weather conditions.
  •  Very difficult to restrict access if it is un-directed.
  •  Hard to secure
  •  Easy to hack 
(iv) Satellite
  •  Microwave
  •  Radio waves/blue-tooth/infrared
(e) Firewalls
  •  Antivirus
  •  Policy formulation on the usage of internet/password/security
  •  Using email instead of storage devices to transfer document files.
  •  Use genuine/authentic/unpirated software
State three techniques used by a network administrator to detect and prevent computer crimes.

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​State four computer based careers introduced as a result of computerized data process method at the airport.

4/1/2021

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​State four computer based careers introduced as a result of computerized data process method at the airport. (2 marks)

Computer based careers created by introducing computerized data processing.
  1. System analysts
  2. Hardware technicians
  3. Data entry clerks
  4. Programmers
  5. Networks technicians
  6. Database administrators
  7. Web designers
  8. Network administrator
​State four computer based careers introduced as a result of computerized data process method at the airport

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A firm operates an order system that coordinates orders, raw materials and inventory across its three factories. Currently the orders are processed manually at each factory and communicated to the others over the phone. The management intends to computer

3/1/2021

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A firm operates an order system that coordinates orders, raw materials and inventory across its three factories. Currently the orders are processed manually at each factory and communicated to the others over the phone. The management intends to computerise their operations. State the first two computer professionals who will be required and their roles.

System analyst roles 
  • Make an appraisal of the information needed of the firm in some area defined by management and specify the information which is required to meet the current and expected needs of the firm.
Programmer roles:
  • To advise the senior systems analyst on the feasibility and efficiency of the proposed program suit and when required to assist in it’s design.
  •  To construct a new system based on the requirement as specified by the systems analyst.
Or
Network Engineer roles:
  • Responsible for planning designing and implementation of appropriate network between the three plans as specified by the systems analyst.
A firm operates an order system that coordinates orders, raw materials and inventory across its three factories. Currently the orders are processed manually at each factory and communicated to the others over the phone. The management intends to computerise their operations. State the first two computer professionals who will be required and their roles.

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Arrange the following job  titles  in the order of their  seniority; Database administrator, ICT manager, systems analyst

1/1/2021

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Arrange the following job titles in the order of their seniority;Database administrator, ICT manager, systems analyst

Either
  •  ICT manager
  •  Systems Analyst
  •  Database Administrator
Or
  •  Database Administrator
  •  Systems Analyst
  •  ICY manager
  • Systems analyst should be in the middle
Arrange the following job titles in the order of their seniority; Database administrator, ICT manager, systems analyst

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List duties of each of the following personnel

1/1/2021

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​List duties of each of the following personnel


(a) Database administrator 


  1. Responsible for the physical realization of database system including: 

  2. Physical database design and implementation 

  3. Security and integrity control 

  4. Maintenance of operational system 

  5. Ensuring satisfactory performance for the application and uses


(b) Data processing manager 


  • Sourcing for appropriate data 

  • Sorting data for various input processes 

  • Verify that data input is correct 

  • Ensure data is complete before processing e.g. batch processing 

  • Dispatch outputs to relevant outlets.


database administrator

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List two uses of computers in meteorology

31/12/2020

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List two uses of computers in meteorology

Vertical Divider
List two uses of computers in meteorology
  •  Uses of computers in meteorology
  •  Data collection from the environment
  •  Analysis of complex weather patterns
  •  Weather forecasting

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Give any TWO functions of a System Analyst

23/12/2020

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Functions of a System Analyst

  • Studies current system 
  • Gives proposals on new systems
  • Assists to design and implement new systems
  • Analyses an organisation's needs and designs appropriate solutions for the same.
  • Does ICT project management plans and tasks.
  • Fills the communication gap between management and ICT staff in the organisation.
  • Assists in training the staff on how to use the new system during system testing and implementation.
  • Assists in writing system documentation such as a user manual
functions of a System Analyst

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STATE TWO ROLES OF A SYSTEM ANALYST

29/7/2018

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