MS-DOS and Operating System Basics

Memory segmentation is the division of a computer's primary memory into segments or sections. In a computer system using segmentation, a reference to a memory location includes a value that identifies a segment and an offset within that segment.

An operating system (OS) is a collection of software that manages computer hardware resources and provides common services for computer programs.

DBLSPACE is a disk compression utility that is included with DOS, beginning with Version 6. It provides a way to increase disk capacity by compressing the data on all or part of a disk.

A special case of indirect register mode. The register whose number is included in the instruction code, contains the address of the operand. Decrement Mode = before operand addressing, the contents of the register is decrement.

The auto increment attribute can be used to generate a unique identity for new rows.

In computer science, a linker or link editor is a computer program that takes one or more object files generated by a compiler and combines them into a single executable program.

WOzOS is a Java-based platform for multimodal Wizard of Oz user interaction studies. It allows researchers and user interface designers to test computer interfaces that do not yet exist.

An internal command is a command embedded into the command.com file.

Removes an empty directory in MS-DOS. To delete directories with files or directories within them the user must use the deltree command, or if you are running Microsoft Windows 2000 or Windows XP use the /S option.

Setting aside a portion of main memory for some purpose. All system and application programs reserve memory either at startup or during the course of operation. Memory is reserved for inputting data, additional software instructions or for the creation of control structures such as a stack. See dynamic memory allocation, memory allocation, buffer and stack.

MSD is a diagnostic utility to view diagnostic information relating to your computer's hardware setup. See the MSD definition for further information about Microsoft diagnostics.

A Nassi–Shneiderman diagram (NSD) in computer programming is a graphical design representation for structured programming and N-S). Diagrams are structured flow charts drawn as boxes-within-boxes. N-S diagrams.

Copies the contents of one floppy disk to another.

Reusability is the likelihood that a segment of source code can be used again to add new functionalities with slight or no modification<o:p>

Backs up only files changed at or after the specified time.