Computer studies analysis of questions and answers

Name three responsibilities that are carried out by a network administrator

12/11/2021

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Name three responsibilities that are carried out by a network administrator. (3mks)

maintain and enforce security measures on the network
monitor the use of network resources
maintain and troubleshoot network related problems
setup a computer network

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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

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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

to confirm that the network services are running;
to confirm that the user is granted appropriate privilege to access the
network services/password/authentication;
to confirm that the network infrastructure is in good condition;
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

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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.

System analysts
Hardware technicians
Data entry clerks
Programmers
Networks technicians
Database administrators
Web designers
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

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

Responsible for the physical realization of database system including:
Physical database design and implementation
Security and integrity control
Maintenance of operational system
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.

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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

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

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STATE TWO ROLES OF A SYSTEM ANALYST

29/7/2018

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COMPUTER STUDIES TOPICAL QUESTIONS AND ANSWERS FOR REVISION

Name three responsibilities that are carried out by a network administrator

Name three responsibilities that are carried out by a network administrator. (3mks)

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

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

List two career opportunities directly associated with computer networking.

List two career opportunities directly associated with computer networking.

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

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

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.

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.

List two career opportunities directly associated with computer networking.

List two career opportunities directly associated with computer networking.

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

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

RESPONSES

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

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

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

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

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

List duties of each of the following personnel

List duties of each of the following personnel

(a) Database administrator

(b) Data processing manager

List two uses of computers in meteorology

List two uses of computers in meteorology

Give any TWO functions of a System Analyst

Functions of a System Analyst

STATE TWO ROLES OF A SYSTEM ANALYST

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Archives

COMPUTER STUDIES TOPICAL QUESTIONS AND ANSWERS FOR REVISION

​Name three responsibilities that are carried out by a network administrator. (3mks)

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

List two career opportunities directly associated with computer networking.

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

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.

List two career opportunities directly associated with computer networking.

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

RESPONSES

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

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

​List duties of each of the following personnel

(a) Database administrator

(b) Data processing manager

List two uses of computers in meteorology

Functions of a System Analyst

Categories

Archives

Name three responsibilities that are carried out by a network administrator. (3mks)

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

List duties of each of the following personnel