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Summer Examinations 2007/
Exam Code(s) 1BF Exam(s) First Year BSc in Business Information Systems Module Code(s) MS Module(s) Information System Technology Paper No. 1 Repeat Paper External Examiner(s) Professor H. van der Heijden Internal Examiner(s) Professor J. F. Collins Mr. S. Hill Instructions: Candidates are required to answer QUESTION 1 from section A AND any FOUR questions from Section B. Section A consists of 20 multiple-choice questions. Unanswered questions score a mark of zero. Answers are to be written only on the ‘MCQ Answer Sheet’ provided, along with your examination details – do not write the answers to this section on the main examination paper All questions carry equal marks. Duration 3 Hrs No. of Answer books Requirements : Handout MCQ Type A-D Statistical Tables Graph Paper Other Material Department(s) Accountancy and Finance
OLLSCOIL NA hÉIREANN
NATIONAL UNIVERSITY OF IRELAND, GALWAY
SUMMER EXAMINATIONS 2007/
FIRST YEAR BSc. IN BUSINESS INFORMATION SYSTEMS EXAMINATION (MS107) Information System Technology Professor H. van der Heijden Professor J. F. Collins Mr. S. Hill Time Allowed: THREE hours Candidates are required to answer QUESTION 1 from Section A AND any FOUR questions from Section B.
SECTION A - MCQ
Question 1
- Data that is processed to become something meaningful is called: a. Matrix. b. Graphics. c. Information. d. Technology
- Which of the following is not a major part of an information system? a. Computer hardware and software b. Databases and networks c. People d. Manufacturing facility Continued …
- Sending a program to the CPU and allocating memory for the program is the responsibility of which software? a. Application b. Operating system c. Utility d. Browser
- When more than one program can reside in primary memory simultaneously, this is known as: a. Multi-tasking b. Multi-functioning c. Multi-swapping d. Multi-loading devices.
- A technique that extends primary memory by using secondary storage devices is: a. Super memory b. Server memory c. Virtual memory d. Sharing memory.
- What type of software do businesses use to organize a collection of data, so that it is easily created, manipulated, and retrieved by others? a. Desktop publishing b. Presentation graphics c. Database management systems d. Spreadsheets.
- A field or group of fields that uniquely identify an individual record is called: a. Source key b. Combination key c. Primary key d. Link key Continued …
- In a DBMS, data duplication quickly leads to increased chance of data entry errors. This process is referred to as: a. Insertion anomalies b. Modification anomalies c. Deletion anomalies d. File anomalies
- In a DBMS, the problem of failing to delete all redundant data is called: a. Insertion anomalies b. Modification anomalies c. Deletion anomalies d. File anomalies
- Miniature data warehouses with a special focus are called: a. Subject marts b. Focus marts c. Data marts d. Concentration marts.
- Bus, ring, star, mesh, and tree are all examples of: a. Networks b. Protocols c. Services d. Transmission media
- TCP/IP, Ethernet, and Token ring are all examples of: a. Transmission media b. Protocols c. Services d. Networks Continued …
SECTION B
Candidates are required to answer any 4 questions form Section B Question 2. (a) What is a process? Define the following terms in the context of an operating system process: process creation, process termination, and process states. (10 Marks) (b) Modern operating systems support multiple threads of execution within a single process. Discuss this statement describing the thread model. Include examples of thread usage in your answer. (10 Marks) Question 3 (a) Define Moore’s Law (2 Marks) (b) In relation to the CPU, write a brief note explaining each on the following; i. Arithmetic/Logic Unit (ALU). ii. Control Unit (CU). iii. Registers. (9 Marks) (c) Describe the process played by the CPU in terms of executing an instruction. In your discussion outline briefly the other hardware components the CPU may interact with while executing an instruction. (9 Marks)
Question 4
A computer network is a system of interconnected computers and devices
that can communicate with one another and share applications and data.
Briefly describe the following network topologies , outlining the relative
advantages and disadvantages of each:
i) Bus topology.
ii) Star topology.
iii) Tree topology.
iv) Ring topology.
v) Mesh topology
(20 Marks) Question 5 Transmission Control Protocol/Internet Protocol (TCP/IP) is a layered framework for the design of network systems that allows for communication across all types of computer systems. Discuss the above statement describing the layers of the TCP/IP model. Your answer should also illustrate how the layers of the TCP/IP model map to the layers of the Open Systems Interconnection (OSI) model.. (20 Marks) Question 6 With respect to computer networks distinguish between each of the following pairs of terms: (i) Analog signal vs. digital signal. (ii) Circuit switched network vs. Packet switched network (iii) Half-duplex vs. full duplex mode of transmission. (iv) Asynchronous vs. synchronous transmission. (v) Network standard vs. network protocol. (vi) Client-server LAN vs. peer-to-peer LAN (20 Marks)
