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VISOR (Variable Interval Schedule Of Reinforcement) System Documentation

Description: 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,… more
Date: December 1979
Creator: Long, Daniel Paul
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Independent Quadtrees

Description: This dissertation deals with the problem of manipulating and storing an image using quadtrees. A quadtree is a tree in which each node has four ordered children or is a leaf. It can be used to represent an image via hierarchical decomposition. The image is broken into four regions. A region can be a solid color (homogeneous) or a mixture of colors (heterogeneous). If a region is heterogeneous it is broken into four subregions, and the process continues recursively until all subregions are homog… more
Date: December 1986
Creator: Atwood, Larry D. (Larry Dale)
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Generating Machine Code for High-Level Programming Languages

Description: The purpose of this research was to investigate the generation of machine code from high-level programming language. The following steps were undertaken: 1) Choose a high-level programming language as the source language and a computer as the target computer. 2) Examine all stages during the compiling of a high-level programming language and all data sets involved in the compilation. 3) Discover the mechanism for generating machine code and the mechanism to generate more efficient machine code … more
Date: December 1976
Creator: Chao, Chia-Huei
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

An English and Arabic Character Printer

Description: This paper is presented in satisfaction of the requirement for two problems in lieu of thesis which are required for the degree, Master of Science. The two problems are: (1) to provide an electric interface between the M6800 microprocessor and the printer; and (2) to design an Arabic character set and to provide the logic required for its implementation. As it would be artificial and impractical to document these problems separately, a single document here is provided.
Date: December 1976
Creator: Abdel-Razzack, Malek G.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

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

Description: 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 ex… more
Date: December 1985
Creator: Chan, Kin Pong
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Execution Time Analysis through Software Monitors

Description: The analysis of an executing program and the isolation of critical code has been a problem since the first program was written. This thesis examines the process of program analysis through the use of a software monitoring system. Since there is a trend toward structured languages a subset of PL/I was developed t~o exhibit source statement monitoring and costing techniques. By filtering a PL/W program through a preorocessor which determines the cost of source statements and inserts monitoring c… more
Date: December 1977
Creator: Whistler, Wayne C.
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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