State three features of the fifth generation computers (3mks) [2017 paper 1]
Define disk formatting and state three reasons for formatting a disk
Definition
Reasons:
Explain the difference between main memory and secondary storage.
Explain how the techniques of
(i) verification,
(ii) validation
are used to ensure that the stored data is as accurate as possible.
Dual input of data
Rules are given to the processor
Drop-down list/radio buttons
Maranda Mock CRE Paper 2 2024
c) Six ways in which Christians can assist the physically challenged members of the society (6mks)
Establishing special institutions for them
Donating equipment, which assists them in their movement.
Giving them vocational training
Assisting them in their daily chores
Accepting them as human beings like themselves
Helping them to develop their talents e.g. games, music, drama etc.
Identifying their abilities and giving them employment.
Encouraging relatives to live with them.
Giving them financial assistance to start income generating projects
a) The parable of the shrewd manager in Luke 16:1-33. (7mks)
There was a rich man who had a steward. He received charges that the steward was wasting his goods.
He called him what he was hearing about him. He told him to turn in account of his stewardship for he could no longer be steward.
The steward asked himself what he would do since his master was taking the stewardship away from him.
He was not strong enough to dig and was ashamed to beg.
He decided what to do so that people may receive him into their house when he is out of the stewardship
He was to summon his masters’ debtors one by one. He went to the first one and asked him how much he owned his master. The debtor said a hundred measures of oil, which he was told to write fifty.
He asked another how much he owned his master. He said a hundred measures of wheat he was told to write eighty
The master commended the dishonest steward for his shrewdness for the sons of his world are shrewder in dealing with their own generation that the ones light.
Seven causes of conflict between Jesus and the Jewish leader in Jerusalem. (7mks)
They questioned the authority Jesus was using to teach Lk 20:1-8.
Jesus accused them of persecuting and rejecting Gods servants in the parable of tenants. Lk 20:9-18.
They had conflict on the issue of whether to pay taxes to cease or not. Lk 20:19-26
The question on resurrection by the Sadducees on Levites marriage. Lk 20:27-39
He claimed to be the messiah and said that even David called Him Lord in the book of Psalms Lk 20:4-44
Jesus openly condemned the hypocrisy of the Jewish leader Lk 20:45-47
Jesus prophesied the destruction of temple of Jerusalem
He condemned the offerings of the rich Jewish leaders, which were meant to show off, but praised the widows’ offerings, which was made out of self-sacrifice Lk 21:1.
Six ways in which parents can resolve misunderstanding with their children. (6mks)
Allowing dialogue
Listening to their views
Presenting them with the correct, picture of the situation
Setting a good example to them
Giving them appropriate time for leisure activities
Seeking help from church leaders
Guiding them on how to choose friends
Advising them on the right moral values
Praying for and with them to bring about understanding
Committing the children to God’s will
Discussing the problem with their friends and relatives
a) Seven reasons why Jesus sent the Holy Spirit to the disciples after his ascension. (7mks)
The holy spirit would comfort the disciples
He was to counsel the disciples
He would guide the disciples on what is right / God’s righteousness
He was to convict people of their sins
He was to show disciples on what is right
He was to reveal the future / enable the disciples to prophet’s / God’s will
He would glorify Jesus through the work of the disciples
He would enable the disciples to witness Christ throughout the world
He would replace the physical presence of Jesus
He would empower the disciples to be able to speak with courage
b)How the unity of believers is expressed in the body of Christ? (8mks)
St Paul describes the believers as the body of Christ
Christ is the head of the church
The believers form parts of the body
The body has different organs, in the same way the church has different members
They all need to work together for the well-being of the church
Every part of the body is needed to make it whole/ all parts interdependent / one part cannot be without the other
The different church members are given different spiritual gifts by the holy spirit to carry out God’s work
Believers are united through baptism in the Holy Spirit.
c)The church in Kenya help to bring about the unity in the country. (6mks)
Assisting the government is developing a curriculum schools that teaches about patriotism
Advocating for peaceful co-existence among Kenyans
Fighting corruption, discrimination, tribalism, nepotism and all forms of favourism
Acting as a voice of reason among the ruling political class demanding their unity as a government
Assisting the less fortunate in the society thus fighting disparity
Condemning and reporting to the relevant authorized groups that bring disharmony in the society
Developing joint rallies, prayers and reconciliatory meetings together.
Forgiving one another to avoid disunity
Obeying church rules/ leaders
Chastity is a virtue
a) Attitude of Christian towards human sexuality. (7mks)
Sex is sacred
Man and woman are for companionship
Both man and woman are equal before God
It is for procreation
Man and woman are complementary
Man and woman were created in the image of God
They became one in marriage
Human beings have the ability to control sexual desire
All forms of irresponsible sex are condemned
Chastity is a virtue
b)Six ways in which sex is abused in Kenya today. (6mks)
Sex before marriage / fornication/ pre-marital sex
Sex outside marriage / adultery
Prostitution
Bestiality
Homosexuality/ lesbianism/ sodomy/oral sex
Pornographic literature/mass media using of technological devices in sex
Incest
Masturbation
Rape /defilement of minors
c)Why are minors sexually abused in Kenya today? (7mks)
Permissiveness
Lack of self-control
Influence of the mass media
Mental illness / stress/ drug and substance influence
Erosion of the African culture moral value
False religious / devil worship /strange cults
To avenge for oneself
Breakdown of religious values
Irresponsible parenthood
Indecent dressing
Leniency of the law
Idleness
Poverty / unemployment
6 a) Six practices in the African Society that promoted law, order and justice? (6mks)
Cultural taboos/dos and don’ts in the society
Kinship ties had rules which governed their relationships
Oaths – swearing while making agreements.
Rites of passage e.g. during initiation, the youth were taught laws/secrets of society.
Practice of rituals in the society promoted good relationships between the living/living dead.
Communal life i.e. “I am because we are, and since we are therefore Iamb.”
Inheritance of property was done fairly which brought justice /order.
Worship of God/veneration of ancestors created orderliness
b). Seven reasons for the need of law, order and justice in the society. (7mks)
In order to safeguard peoples personal rights.
To ensure security and protection of the people and their property.
To promote peace and harmony
To attract both local and foreign investment in the country
To promote peaceful relationship between countries.
To safeguard freedom of the citizens
To control and check the powers of those in authority
To enable the gov’t to implement its taxation policies effectively and to use the money
collected for the good of the community
To enable Christians worship God in peace and freely spread the good news.
c) Explain the factors which hinder effective maintenance of law and order in the (7 marks)
Increase in the rate of crime especially in urban areas
Political instability e.g. Post election violence
Greed for power and wealth
Political selfishness leading to dictatorship and despotism
High rate of unemployment leading to idleness / crime
Corruption especially by custodians of the law e.g. police.
Hypocrisy i.e. leaders misleading the society
High level of poverty forcing others into crime
Define Domain integrity
Domain integrity - ensures that all data in a field contain valid values
Describe how the database can be recovered from a system failure
Give one benefit and one disadvantage of the use of wireless technology.
Advantages
disadvantages e.g.
State four tasks performed at the analysis stage in systems analysis.
A company making televisions has introduced robots to replace the human work force.
(a) Describe three effects this would have on the work force
(b) Give two advantages to the company of introducing robots
(c) How could the robots be trained to assemble the televisions?
(d) A whole batch of televisions was produced with some of the parts missing. How could this error have been avoided?
(a) Describe three effects this would have on the work force
(b) Give two advantages to the company of introducing robots
lower work force costs (no salaries to pay)
(c) How could the robots be trained to assemble the televisions?
(d) A whole batch of televisions was produced with some of the parts missing. How could this error have been avoided?
State four factors to consider when acquiring computer software
Explain the functions of the following parts of the CPU
Control Unit; Decodes instruction; Controls the fetching and writing of data;
Arithmetic Logic Unit/ ALU; Executes mathematical instructions; Executes logical instructions; Compares values held in registers;
Clock; Controls the number of instructions carried out each second; allows the CPU to synchronize operations;
State examples of wireless transmission media
Explain, with examples where appropriate, the following five computer terms.
(a) Buffer
(b)batch processing
(c) e-commerce
(d) simulation
(a) Buffer
(b)batch processing
(c) e-commerce
(d) simulation
(e) Email
IT technicians are setting up a new file server for a school. Describe the benefits and drawbacks of using a command line interface (CLI) rather than a graphical user interface (GUI) to set up a new file server. (4marks)
Benefits
Drawbacks
Give four features of a Data Protection Act
State the type of software that is needed for logging onto the Internet and finding websites selling goods and services.
logging on
finding websites
COMPUTER STUDIES 2016 PAPER 1
b) an architectural drawing where precision is required (1mk)
(c ) producing document output for a visually impaired person (1mk)
State the types of storage devices used in a computer
Primary Storage (Memory): Secondary Storage (Mass Storage):
KCSE 2003 COMPUTER STUDIES
SECTION A (40 MARKS)
Answer all the questions in this section
1.Computer systems are built from three types of physical components: processors,memories and 1/O devices.
a) State two tasks of a processor (2 mks)
b)State function of 1/O devices (1 mk)
2. Threats to the safety of computer systems take many forms such as: white-collar crime, natural disasters, vandalism and carelessness.Give on way as to how each of these forms of threats can be controlled. 2 mks)
3.a) Explain the term nibbles as used in data representation in computers
b)Perform the following binary arithmetic giving the answers in decimal notation. (3 mks)
i)1110.01111 + 11010001 .011
ii) 1001011.011 - 111.111
4 a) Distinguish between machine and assembly language (2mks)
b) State the type of translator necessary for a program written in: (2mks)
i) High level language
ii)Assembly language
5. Briefly explain the purpose of the following types of program documentation: (3mks)
a) User manual
b) Reference guide
c) Quick reference guide
6. State any two features of a user-friendly program. (2mks)
7 a) Distinguish between labels and formulae with respect to spreadsheets (2mks)
b) Consider the entries in the cells below.
|
Cell |
B2 |
B3 |
C10 |
C11 |
C13 |
|
Entry |
200 |
100 |
B2 |
B3 |
C10 |
State the value displayed in cell C13 (2 mks)
8.List three differences between wide area Networks (WAN) and Local Area Networks (LAN) (3mks)
9. Study the flowchart segment below and state the last value printed from the flowchart. (2 mks)
10. a) What is an expert system (1mk)
b)State any two components of an expert system (2mks)
11. give two reasons why optical disks are better storage media compared to floppy diskettes (2mks)
12.What are the Dos commands used for the following? (2mks)
a) Changing directories
b) Viewing directories
c) Renaming directories
d) Deleting a directory
13. Distinguish between copying and moving text (2mks)
14. a) Name two methods of paper orientation (1mk)
b)Name two keys used to delete text in a document (1 mk)
15.Name two features a Database package (2mks)
SECTION B (60 MKS)
Answer question and any other three questions from this section
16. Study the flowchart below and answer the questions that follow.
a)Write a high-level language program for the above flowchart (7mks)
b)List the outputs of the flowchart above (5 mks)
c) Modify the flowchart so that it adds up all its outputs and displays the sum obtained (3mks)
17. A computer specification has the following details:
a) What is meant by
i) 1.44 MB floppy disk drive?
ii)20 GB hard disk?
iii) 17” SVGA monitor
b) Which operating system might be pre-installed in this computer and why? (2mks)
c) List three multimedia components (3 mks)
d) i) what is meant by computer aided manufacture? (2 mks)
ii) Give two examples of computer aided design software. (2mks)
18. a)Give three examples of network software (3mks)
b)List any three items that may be referred to as data terminal equipment in a network (3 mks)
c)Briefly explain the following terms as used in networking (4mks)
i) Remote communication
ii)Distributed processing
d) State three advantages and two disadvantages of mesh network topology. (5mks)
19. a) a company has decided to computerize their operations. They have decided to purchase package instead of developing their own programs. Give three advantages and two disadvantages of this approach. 5mks)
b) i) explain why a value such as 611233444555 may be displayed as ######### When typed in a cell of a spreadsheet (2mks)
ii) How can the problem in b (i) above be corrected? (2mks)
c) With reasons, briefly describe the most appropriate type of printer output device for the output of: (6mks)
i) Customer invoices on multi-part stationery
ii) Letters to customers
iii)Detailed engineering designs
20. a) Distinguish between the following pair of terms (6mks)
i) Data verification and data validation
ii)Data encryption and passwords