Read/Download Question Paper![]()
Marking SchemeSECTION A (40 marks)Answer all questions in this section in the spaces provided.1.(a) Headache, back and neck pain may result from use of computers. Explain two ways in which back and neck pain can be minimized. (2mks)
(b) State how computer have been made more users friendly for persons that are:
|
Vertical Divider
|
16. a) State two qualities of a good pseudocode. (2 marks)
b) With the aid of flowchart diagrams, describe each of the following programme control structures:
|
Vertical Divider
|
17. A) (i) What is a Blog in relation to internet services (2marks)
It is an internet site where a person can regularly post personal information, music, movies and diaries and socially interact with people connected to the same.
(ii) Explain the impact of the internet in the information security (2 marks)
Private and confidential information is constantly at risk from hackers, crackers and fraudsters who carryout their trade on the internet.
(b) Kunta would like to send photos to Kinte via e-mail. Outline the steps Kunta would follow to send the photos as file attachments (3marks)
Any other appropriate procedure is allowed. One mark based any of the bolded keywords in logical order. (c) Differentiate between the following in relation to data security and control (4 marks)
|
Vertical Divider
|
18. ( a) (i) State two reasons for data representation in a computer (2 Marks)
(ii) Define the following words as used in data representation in a computer (4 Marks)
(iii) (a) Convert 3410 to its binary equivalent. (2 Marks)(b) Convert 10010112 into decimal number system equivalent (2 marks)iv. (a) Briefly explain how data is represented in a computer (3 marks)
3 marks for any relevant explanation (ii) With the aid of a well labelled diagram, distinguish between analogue and digital signals (2 marks) |
Vertical Divider
|
19) (i) With the aid of a diagram, describe seven stages in system development life cycle (SDLC) in their logical sequence (7 marks)
(ii) (a) What is a closed system?(1mark)
This is a system that receives input but does not necessarily give the output.
The borders of a closed system are not clearly defined (iii) State four roles played by an information system. (4 marks)
|
Vertical Divider
|
20) (a) (i) State any four factors you would consider before installing an operating system. (4 marks)
(ii) (1) State two reasons that causes computers to hang (2 marks)
(2) State solutions to the causes you listed 19. (ii) (1) above (2 marks)
(c) In relation to operating system, differentiate between Kernel and Shell. (2 marks)
A kernel is the central part of an operating system. It manages the operations of the computer and the hardware, most notably memory and CPU time.
A shell is a computer program which exposes an operating system's services to a human user or other program.
(d) State any two characteristics of a computer file. (2 marks)
(e) Mobile Operating System (OS) is software that allows Smart phones, Tablet PCs and other devices to run applications and programs. List any THREE examples of Mobile Operating Systems (3 marks)
|
0 Comments
Leave a Reply.
Categories
All
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2022
Analogue And Digital Systems
Applications Areas Of ICT
Areas Where Computers Are Used
Auxiliary Storage Devices
Basic Computer Set Up And Cabling
Binary Conversion
Booting
CABLES AND PORTS
Career Opportunities In ICT
Classification Of Computers
Coaxial Cables
Coding Schemes
COMPACT DISK
COMPLETE PAPERS
Computer Crimes
Computer Files
Computer Memory
Computer Software
Computer Systems
COMPUTER VIRUS
Dashboard
Database
Data Collection
Data Communication
Data Integrity
Data Processing
Data Representation In A Computer
Data Security And Controls
Definition And Development Of Algorithm
Desktop Publisher
Development-of-computers
DTP
DVD
Electronic Data Processing Modes
Elementary Programming Principles
Errors-in-data-processing
Evolution-of-computer-systems
Fibre Optic Cables
File Management Using An Operating System
File-organization-methods
Flowchart
Form 1 Level
Form 2 Level
Form 3 Level
Form 4 Level
Formatting Features
Hands On Skills
HARDCOPY OUTPUT DEVICES
Hard Disk
Hardware
Impact Of Ict On Society
IMPACT PRINTERS
Information
Input Devices
Internet And Email
Introduction To Computers
Introduction To Networking And Data Communication
ISP
Levels-of-programming-languages
Midterm-exams
Mind-blowing-q-a
Mocks
Network Topologies
Network-topology
NON-IMPACT PRINTERS
Ones And Twos Compliments
Operating Systems
Output Devices
Paper 1
Parts Of A Computer
Practical Hands On Skills
Printers
Processing-devices
Processors
Program-construction
Program-control-structures
Program-design
Program Development
Program-documentation
Protocols
Registers
Review Questions
Revision Kits
Secondary Storage Media
Section A
Section B
Security Threats And Control Measures
Software
Spreadsheets
Stages Of System Development
Storage Devices
Symbolic-representation
System-design
System Development
System-documentation
Term-1
TERM 2
The Computer Laboratory
The CPU
The Keyboard
Types Of Computer Files
Types-of-networks
User Interface
Uses-of-computers
Word Processors
Worksheet-formatting
Archives
January 2025
December 2023
October 2023
September 2023
July 2023
June 2023
February 2023
November 2022
September 2022
April 2022
January 2022
December 2021
November 2021
July 2021
March 2021
February 2021
January 2021
December 2020
October 2020
April 2020
February 2020
October 2019
August 2019
July 2019
April 2019
March 2019
November 2018
August 2018
July 2018
December 2017
November 2017
October 2017
July 2017
August 2016
June 2016
January 2016
December 2015
November 2015
Primary Resources
College Resources
Can't find what you want? Use this Search box. |
Secondary Resources
|
Contact Us
Manyam Franchise
P.O Box 1189 - 40200 Kisii Tel: 0728 450 424 Tel: 0738 619 279 E-mail - sales@manyamfranchise.com |