Get premium membership and access questions with answers, video lessons as well as revision papers.
- Information systems are usually more to do with people than technology. Over the last
century the task of management in organisations has been studied by...(Solved)
Information systems are usually more to do with people than technology. Over the last
century the task of management in organisations has been studied by many academics. Their
studies have been categorized under three main headings:-
Technical-Rational, Behavioural and Cognitive.
a. Outline the major aspects of each of these headings;
b. List the people involved in developing an information system.
Date posted: February 15, 2018.
- Computer systems which process financial data for a company should be audited to evaluate
the reliability of information and also the efficiency and effectiveness of...(Solved)
Computer systems which process financial data for a company should be audited to evaluate
the reliability of information and also the efficiency and effectiveness of the system. The
main problem with auditing a computer system is that processing operations are invisible.
Required:
a) State five systems checks and controls that should be built in the system at the design
stage to reduce the problem and weaknesses that auditors frequently detect.
b) Discuss the audit trail in computerized accounting information systems.
c) Explain each of the following computer auditing approaches and techniques:
(i.) Auditing around the computer;
(ii.) Auditing through the computer;
(iii.) Auditing packages.
Date posted: February 15, 2018.
- One of the current developments in information technology, which has strategic
implications for business firms, is the move towards open systems.
Required:
a) Explain the meaning of...(Solved)
One of the current developments in information technology, which has strategic
implications for business firms, is the move towards open systems.
Required:
a) Explain the meaning of the open systems concept.
b) Discuss the implications of the move towards open systems for organizations that have
already invested in proprietary information systems.
c) Outline two potential benefits to information technology due to the move towards open
systems.
Date posted: February 15, 2018.
- (a) A major source of errors in computer systems is errors in the input data. What controls would you install for the control of such errors?...(Solved)
(a) A major source of errors in computer systems is errors in the input data. What controls
would you install for the control of such errors?
(b) Describe four methods that would be used for fact finding during system investigation.
(c) Give the principal method of data capture in the following applications:
(i.) Banks;
(ii.) Supermarkets
(iii.) Clothing and footwear retailing.
(d) What are the functions of a systems programmer?
Date posted: February 15, 2018.
- In the context of ethical considerations: -
a. Outline the individual ethical issues implied when a person joins a professional
organization
b. Describe some of the ethical dilemmas...(Solved)
In the context of ethical considerations: -
a. Outline the individual ethical issues implied when a person joins a professional
organization.
b. Describe some of the ethical dilemmas that are involved with Information Systems.
Date posted: February 15, 2018.
- Organizations are now moving from Strategic Management systems towards Enterprise
systems and yet further to Industrial Networks and Extended Enterprise systems.
a. Describe the features of...(Solved)
Organizations are now moving from Strategic Management systems towards Enterprise
systems and yet further to Industrial Networks and Extended Enterprise systems.
a. Describe the features of Enterprise computing and industrial networks;
b. What are the business and technological reasons for this move?
c. Outline the key elements required to build an enterprise information technology structure
d. Outline potential organisational problems in the creation of these enterprises systems.
Date posted: February 15, 2018.
- In the context of Information Systems Security, write short notes on ALL of the following
headings:-
a. Why are computer systems more vulnerable to destruction, error,...(Solved)
In the context of Information Systems Security, write short notes on ALL of the following
headings:-
a. Why are computer systems more vulnerable to destruction, error, abuse and misuse than
manual systems?
b. What is meant by the term Risk Assessment?
c. What are Worms and Viruses?
d. Outline the process of Public Key Encryption.
Date posted: February 15, 2018.
- The development of powerful desktop computers coupled to telecommunication networks
has revolutionized the way organizations may carry out their business.
The following are some alternatives for...(Solved)
The development of powerful desktop computers coupled to telecommunication networks
has revolutionized the way organizations may carry out their business.
The following are some alternatives for an organization‘s internal and external
communications: -
a. Client-Server
b. Internet
c. Intranet
d. Extranet
Date posted: February 15, 2018.
- Consider a supermarket chain and the use they may make of information systems in the
running of their business. Some of the objectives they are...(Solved)
Consider a supermarket chain and the use they may make of information systems in the
running of their business. Some of the objectives they are faced with are: -
a. Easy product identification;
b. Fast customer processing at the cash tills;
c. Extremely efficient stock control;
d. Rapid bulk replacement of goods from suppliers.
Describe in detail how Information Systems can help supermarket chains with these specific
objectives. Your answer should outline the systems involved, the hardware that might be
required and an indication of how the various systems might interact with each other.
Date posted: February 15, 2018.
- Differentiate between pseudo code and flowcharts(Solved)
Differentiate between pseudo code and flowcharts.
Date posted: February 14, 2018.
- What is: (1) Program (2) Algorithm (3) Translator (4) Hardware (5) Object code(Solved)
What is: (1) Program (2) Algorithm (3) Translator (4) Hardware (5) Object code
Date posted: February 13, 2018.
- What is a predicate in a system program?(Solved)
What is a predicate in a system program?
Date posted: February 13, 2018.
- Give one advantage and one disadvantage of using the string data type in a computer program. (Solved)
Give one advantage and one disadvantage of using the string data type in a computer program.
Date posted: February 13, 2018.
- Define a container, an iterator, and an algorithm as they relate to the STL in a computer program.(Solved)
Define a container, an iterator, and an algorithm as they relate to the STL in a computer program.
Date posted: February 13, 2018.
- How does the STL make it easier for a programmer more reliable C++ programs?(Solved)
How does the STL make it easier for a programmer to create more reliable C++ programs.
Date posted: February 13, 2018.
- Describe the function of mutable in a computer program.(Solved)
Describe the function of mutable in a computer program.
Date posted: February 13, 2018.
- Explain the term namespace as used in a C++ program.(Solved)
Explain the term namespace as used in a C++ program.
Date posted: February 13, 2018.
- What is the principal restriction placed on a const member function in a C++ program?(Solved)
What is the principal restriction placed on a const member function in a C++ program?
Date posted: February 12, 2018.
- Explain the purpose of explicit in a C++ program.(Solved)
Explain the purpose of explicit in a C++ program.
Date posted: February 12, 2018.
- What does a conversion function do in a C++ program?(Solved)
What does a conversion function do in a C++ program?
Date posted: February 12, 2018.
- Given a function called counter(), show the statement that causes the compiler to compile this function for C language linkage.(Solved)
Given a function called counter(), show the statement that causes the compiler to compile this function for c language linkage
Date posted: February 12, 2018.
- What header must be included in a C++ program when using array-based I/O ? (Solved)
What header must be included in a C++ program when using an array-based I/O?
Date posted: February 12, 2018.
- What makes a static member variable different from other variables in C++ language?(Solved)
What makes a static member varible different from other member variables in C++ language?
Date posted: February 12, 2018.
- What type of object is obtained by the typeid operator in C++ programming?(Solved)
What type of object is obtained by the typeid operator in C++ programming?
Date posted: February 12, 2018.
- Explain how dynamic-cast can sometimes be an alternative to typeid in C++ programming.(Solved)
Explain how dynamic-cast can sometimes be an alternative to typeid in C++ programming.
Date posted: February 12, 2018.
- In addition to the standard cast, C++ defines four casting operators.What are they and what are they for?(Solved)
In addition to the standard cast, C++ defines four casting operators.What are they and what are they for?
Date posted: February 12, 2018.
- Explain various types of computers(Solved)
Explain various types of computers.
Date posted: February 10, 2018.
- State rules of naming variables in C++. How do they differ from ANSI C rules?(Solved)
State rules of naming variables in C++. How do they differ from ANSI C rules?
Date posted: February 9, 2018.
- State restrictions on operator overloading(Solved)
State restrictions on operator overloading.
Date posted: February 8, 2018.
- Define term function overloading as applied in C++(Solved)
Define term function overloading as applied in C++
Date posted: February 8, 2018.