Language

Design and Implementation of a PDP-8 Computer Assembler Executing on the IBM 360/50 Computer (open access)

Design and Implementation of a PDP-8 Computer Assembler Executing on the IBM 360/50 Computer

This problem is intended to be an introduction to the design of a software system which translates PDP-8 assembly language source into it's machine-readable object code. This assembler runs on the IBM 360/50. It is assumed that the reader is familiar with the basic PDP-8 assembly language. For the description and use of this assembler the reader is referred to the PAL-III SYMBOLIC ASSEMBLER PROGRAMMING MANUAL from DEC (order number DIGITAL 8-3-5, Digital Equipment Corporation: Maynard, Massachusetts, 1965.). The Second problem of the study concerns the design of a simulator for the PDP-8 computer.
Date: August 1977
Creator: Madani, Ali
Object Type: Thesis or Dissertation
System: The UNT Digital Library
ADA Tasking Facilities for Concurrent and Real-Time Programming (open access)

ADA Tasking Facilities for Concurrent and Real-Time Programming

This paper describes multitasking facilities of Ada in concurrent and real-time programming. Synchronization and process communication mechanisms are discussed in detail, also, a new mechanism to solve the scheduling problem is developed. In the concurrent programming aspect, a comparison is made between Ada's rendezvous and Pascal's Monitor concept. In the real-time programming aspect, the differences between the Ada multitasking and the traditional "cyclic executive approaches are contrasted and their associated costs/benefits analyzed.
Date: April 1984
Creator: Chang, Ming-Chu
Object Type: Thesis or Dissertation
System: The UNT Digital Library
A Computer Solved Scheduling Problem (open access)

A Computer Solved Scheduling Problem

The purpose of this paper is to illustrate the use of the computer in solving complex real time scheduling problems. This problem involves the airline industry and is concerned with the local scheduling of security personnel to the gate areas for outgoing flights from one terminal at Dallas-Fort Worth airport. The purpose of this type of program is to enhance personnel efficiency and management control over a large group of people while cutting the cost of lower management.
Date: April 1978
Creator: Messinger, Stanley Eugene
Object Type: Thesis or Dissertation
System: The UNT Digital Library
Text Processing for Thai Characters (open access)

Text Processing for Thai Characters

The purpose of this project is 1) to create a Thai character set for text processing, 2) to write a text processing program for the character set, and 3) to allow users to create and save the text.
Date: August 1983
Creator: Tarapoom, Nirut
Object Type: Thesis or Dissertation
System: The UNT Digital Library
A Comparison of Meansort and Quicksort (open access)

A Comparison of Meansort and Quicksort

The main purpose of this project is to compare a new sorting method- Meansort with its preceding sorting method- Quicksort. Meansort uses the mean value for each key to determine the partition of the file, but Quicksort selects at random. Experiments proved that in some ways Meansort is superior to Quicksort but is still not perfect since it always needs a mean value for each key. This project implements these two methods and determines the situations under which each of these methods outperforms the other.
Date: November 1985
Creator: Tsang, Pey Betty
Object Type: Thesis or Dissertation
System: The UNT Digital Library
The Data Structure of a KSAM Key Directory (open access)

The Data Structure of a KSAM Key Directory

The purpose of this project is to explore the alternate data structures for a disk file which is currently a preorder binary tree. specifically, the file is the key directory for an implementation of Keyed Sequential Access Method (KSAM) in a mini-computer operating system. A new data structure will be chosen, with the reasons for that choice given, and it will be incorporated into the existing system.
Date: November 1980
Creator: Kirchoff, Deanna T.
Object Type: Thesis or Dissertation
System: The UNT Digital Library
Mini-ADA Compiler Project (open access)

Mini-ADA Compiler Project

The Ada language is one of the most controversial topics in computer science today. Ada was originally designed as a solution to the software maintenance problems encountered by the United States Department of Defense[2], and as a multi-purpose language to be used particularly in an embedded computer system[7]. Never before has a project been undertaken. The Ada language does not simply entail the construction of a new compiler or a new language definition, it is this and a great deal more.
Date: October 1983
Creator: Chang, Kai
Object Type: Thesis or Dissertation
System: The UNT Digital Library
Design and Implementation of a Text Editor Under Music Interactive Operating System (open access)

Design and Implementation of a Text Editor Under Music Interactive Operating System

An interactive text editor is a computer program that allows a user to create and revise a target document such as program statements, manuscript text, and numeric data through an online terminal and the computer. It allows text to be modified and corrected many orders of magnitude faster and more easily than would manual correction. The most important characteristic of the text editor is its convenience for the user. Such convenience requires a simple, mnemonic command language which is easy to use and understand.
Date: March 1984
Creator: Hwa, Shu-Jen
Object Type: Thesis or Dissertation
System: The UNT Digital Library
Multiple Window Editor (open access)

Multiple Window Editor

This paper is written to present the design purpose and design process of the Multiple Window Editor. Multiple Window Editor is a software which allows the user to edit or view different files or the same file on the screen by the window facilities provided by this software. All the windows can be dynamically created, changed, moved, and destroyed. The main purpose of this program is to improve the programming environment for the users. The design motivations will be introduced through the comparison of the present existing window facilities and the editor components. The design process will be introduced by analyzing the design decision, design tradeoffs and implementation problems.
Date: June 1986
Creator: Alphy, Yu Cherng-Der
Object Type: Thesis or Dissertation
System: The UNT Digital Library
A Survey of Computer Systems: IBM System/360, 3031, The Decsystem-20, The Univac 1100, and The Cray-1, and The AS/5000 (open access)

A Survey of Computer Systems: IBM System/360, 3031, The Decsystem-20, The Univac 1100, and The Cray-1, and The AS/5000

This is a brief survey of some of the popular computer systems. As many features as possible have been covered in order to get an overview of the systems under consideration.
Date: April 1980
Creator: Atlasi, Nasrin
Object Type: Thesis or Dissertation
System: The UNT Digital Library
Notes on the SWTPC MP-N Calculator Interface and the Calc-1 Program (open access)

Notes on the SWTPC MP-N Calculator Interface and the Calc-1 Program

This interface was bought to perform floating-point arithmetic and for its function capabilities such as SIN, COS, and e^x. My application required an integer truncation function that is not performed by this calculator, so i wrote a small assembly language subroutine to do it. A potentially irritating problem is that the calculator chip does not automatically convert to scientific notation if the numbers become too big to display in floating point. The control program must keep track of the display mode.
Date: May 1979
Creator: Long, Daniel Paul
Object Type: Thesis or Dissertation
System: The UNT Digital Library
VISOR (Variable Interval Schedule Of Reinforcement) System Documentation (open access)

VISOR (Variable Interval Schedule Of Reinforcement) System Documentation

This program will be used in operant behavior research to monitor and record responses and trigger and record reinforcements on a variable reinforcement (VI) schedule. The original application of this program will be the servicing of several rat cages simultaneously. The response will be the pressing of a metal bar in the cage, the reinforcement will be the triggering of a feeding mechanism which disperses a food pellet into the cage. The subsequent applications of this program are not limited, in that the actual response and reinforcement devices and the subject type are all treated indifferently by the program.
Date: December 1979
Creator: Long, Daniel Paul
Object Type: Thesis or Dissertation
System: The UNT Digital Library
Graphical Simulation of Sorting Methods (open access)

Graphical Simulation of Sorting Methods

In this paper, five different sorting methods will be discussed. Each method will be analyzed and discussed in detail pointing out its efficiency, weaknesses, powerfullness, and the appropriate type of applications. The different methods are represented graphically using Turbo Pascal where one pass is performed in each method at a time. The methods discussed in this project are, Bubble Sort, Quick Sort, Heap Sort, Shell Sort, and Double Selection Sort. The latter is a new method that I modified from the Selection Sort. Finally, comparisons between the sorting methods mentioned above will be discussed.
Date: August 1986
Creator: Saed, Mazen A.
Object Type: Thesis or Dissertation
System: The UNT Digital Library
The NTSU School of Music Practice Room Scheduling System (open access)

The NTSU School of Music Practice Room Scheduling System

This is a report concerning the project I completed for my 590 (special problem) credit. The subject of this project was a system for interactive practice room scheduling by music students at NTSU. This system was created in the fall semester of 1982 as a class project for software Development (CSCI 553) with Dr. Irby. The system was not completely finished, and I received permission from Dr. Irby to finish it and help implement its use at the Music department. I was able to observe three usages of the system: Spring, Summer I, and Summer II semesters of 1983. This report details the problems encountered during each of these usages, and changes made to the system due to them. Results of a first-use survey, under documentation, and complete final code listings were also included.
Date: August 1983
Creator: Reed, Susan C.
Object Type: Thesis or Dissertation
System: The UNT Digital Library
FORTRAN Graphics Library (open access)

FORTRAN Graphics Library

The objective of this work is to help the faculty, staffs and students of NTSU to use the CalComp plotting facility very easily. Therefore, this work is written in such a step by step and self-explanatory way to help the reader to understand and grasp the essential technique of the computer plotting. Each subroutine illustrated in this work has been run and checked by our NTSU computer-CalComp plotting facility; the results of sample programs and illustrated graphs are believed to be very useful to understand each individual subroutine. Basically, software packages are stored in the magnetic disk of the IBM 360 computer as the standard graphic subroutines. These subroutines were written in FORTRAN IV. The user can write the driving program to call these subroutines and also inputs the desire data to the computer for computation. The results of computation will be outputed and stored in the magnetic tape.
Date: August 1979
Creator: Ling-Yann, Huang
Object Type: Thesis or Dissertation
System: The UNT Digital Library
PILOT for the Apple II Microcomputer (open access)

PILOT for the Apple II Microcomputer

PILOT (Programmed Inquiry, Learning or Teaching) is a simple, conversational language developed in 1969 by John A. Starkweather at the University of California Medical Center in San Francisco. Originally designed for computer assisted instructional needs, PILOT also has been effectively used as an introductory computer language. The PILOT system developed for the Apple II microcomputer consists of two programs, PILOT EDITOR and PILOT DRIVER, which are written in Applesoft and which use the Apple II disk operating system. The PILOT system was designed to facilitate easy authoring and execution of programs written in an extended version of the PILOT language. Due to the memory requirements of the programs and the Apple II disk operating system, the PILOT system described here should be executed on a machine with at least 32k bytes of random access memory.
Date: August 1979
Creator: Ellis, Richard George
Object Type: Thesis or Dissertation
System: The UNT Digital Library
Design and Implementation of a Parser for the DBase II Query Language (open access)

Design and Implementation of a Parser for the DBase II Query Language

In this paper the DBase II query language of an RDBMS for personal computers is discussed. Other languages will be provided by large and sophisticated DBMS will not be discussed here. The reason for selecting the DBase II query language for discussion are as follows: 1. It is a simple language that can be learned easily [TOWN 84, DINE 84]. Within a short period, users can learn all of the facilities and manage the system very well. 2. It is a language suitable for interactive programming and execution like BASIC. 3. It provides adequate facilities for a small data base system and serves as an introductory guide for more sophisticated systems.
Date: December 1985
Creator: Chan, Kin Pong
Object Type: Thesis or Dissertation
System: The UNT Digital Library
Development of a Text Formatted Under VAX/VMS Operating System (open access)

Development of a Text Formatted Under VAX/VMS Operating System

No matter how extended the use of the computer is, the printed document is still the primary medium for the presentation information, and will continue to be for some time. The use of computing facilities for preparation and production of the document is becoming as prevalent as their use for numeric computation. Commercially, document preparation systems are now a standard facility at research institution, and they have become quite common on each computer program. A conventional document preparation system usually contains two parts: a text editor used to create, enter, update, and maintain the text and control words that comprise the document in its "input" form, and a text formatter used to process that input and produce the final document.
Date: March 1984
Creator: Chow, Perng
Object Type: Thesis or Dissertation
System: The UNT Digital Library
Triangle: A Teaching Program of High School Geometry (open access)

Triangle: A Teaching Program of High School Geometry

Among the early applications of computers, one can find frequent mention of intelligent instructional systems. Such intelligent instructional systems represent a new generation of learner-based computer aided instruction, preceded in time by the original frame-based systems and an intervening generation of expert-based CAI. The history of CAI is characterized by three generations: Frame-based CAI, Expert-based CAI and Learner-based CAI.
Date: August 1983
Creator: Chen, Yei-Huang
Object Type: Thesis or Dissertation
System: The UNT Digital Library
A Method for Applying Scientific Subroutine Package in Microprocessor (open access)

A Method for Applying Scientific Subroutine Package in Microprocessor

The scientific subroutine package is one of the most important parts of the software for the scientific industry. By now, most big computers have scientific packages, but applying such a software package in microprocessors requires consideration of the microprocessor's facilities, such as limited main memory, slow execution time, and only a few small registers. In any scientific package, the trigonometric functions are the ones more widely used. This paper discusses a method for implementing several trigonometric function programs in a scientific package in microprocessors. These programs will contain routines for computing sin, cos, tan, and cot of any angle within the range of (-360°,+360°).
Date: April 1978
Creator: Latifi, Akbar
Object Type: Thesis or Dissertation
System: The UNT Digital Library
Macro - Preprocessor for 6809 Cross Assembler (open access)

Macro - Preprocessor for 6809 Cross Assembler

It is frequently considered to be apparent two stages during assembly time. The first is the preprocessor stage in which a single instruction called the micro instruction is replaced with the sequence of instructions called the macro definition. The second is the processor stage in which the output from the first stage is assembled into machine language instructions for a particular computer. This paper descibes the first one which is macro-preprocessor stage.
Date: June 1982
Creator: Lee, Charlie H.
Object Type: Thesis or Dissertation
System: The UNT Digital Library
Metamorphosis and Transformations with Modular Forms (open access)

Metamorphosis and Transformations with Modular Forms

The metamorphosis and transformation of forms as metaphors continued to be the focus of my work. The use of modular forms with lightweight materials increased mass and volume in my work. The reconstructing and reassembling of sculptures formed with modules was an excellent vehicle for the content of metamorphosis and transformation. The focus of this problem was to create a series of multi-media art pieces that were each composed of a number of modules.
Date: August 1999
Creator: Yu, Hui-Ling
Object Type: Thesis or Dissertation
System: The UNT Digital Library
Methods and Meditations upon Portraiture: Inside Out (open access)

Methods and Meditations upon Portraiture: Inside Out

In this proposed study, I had hoped to discover new strategies to develop imagery. I also wanted to know if using strategies in my work that expressed the psyche of myself, would work to express the psyche of other people. By using new and old strategies, I wanted to see not only if the outside face of people in photographs could be misread but if the inside face of people could be expressed.
Date: December 1994
Creator: Lee-Miller, Peggy
Object Type: Thesis or Dissertation
System: The UNT Digital Library
I Quit Believing (open access)

I Quit Believing

I has been almost four years since this change of perception from "belief" to "disbelief." Looking back I can say this shift can be characterized as "belief" standing for an idea of art which requires it to represent a singular closed reading, while "disbelief" stands for a realization of an art which corresponds more with the complexities of social interaction and produces work with an array of possible readings. Or more simply stated, "belief" requires the desire to destabilize meaning. Or even more simply stated, "belief" equals "truth," while "disbelief" equals the absence of "truth."
Date: August 1994
Creator: Young, Kevin
Object Type: Thesis or Dissertation
System: The UNT Digital Library