16 Questions
What is the primary difference between IBM PC DOS and MS-DOS?
There is no difference between IBM PC DOS and MS-DOS; they are the same.
Which operating system dominated the IBM PC compatible market between 1981 and 1995?
MS-DOS
What was the main focus of developing IBM PC DOS and 86-DOS?
To simplify porting CP/M applications to MS-DOS.
Which of the following is a platform-independent acronym for disk operating system?
DOS/360
What were the primary processors that IBM PC DOS and 86-DOS ran on?
Intel 8086 16-bit processors
Which of the following is NOT a member of the DOS family for IBM PC compatible computers?
Apple ProDOS
Who referred John Opel to her son Bill Gates for help with an 8088-compatible build of CP/M?
Mary Maxwell Gates
What did Digital Research wish to do with CP/M?
Sell CP/M on a royalty basis
Who initially developed a variant of CP/M-80, intended as an internal product for testing SCP's new 16-bit Intel 8086 CPU card for the S-100 bus?
Tim Paterson
What was the initial name of the system developed by Tim Paterson at Seattle Computer Products?
QDOS (Quick and Dirty Operating System)
How much did Microsoft allegedly purchase 86-DOS for?
$50,000
What did Microsoft become aware of being sold by IBM under the same name as CP/M?
An operating system similar to CP/M
What did IBM give PC consumers a choice of alongside PC DOS?
CP/M-86
What did Microsoft originally sell MS-DOS only to?
Original equipment manufacturers (OEMs)
What did Microsoft provide OEMs to customize the device driver code to their particular system?
OEM Adaptation Kit (OAK)
Which version of DOS supports preemptive multitasking, shared memory, device helper services, and New Executable ('NE') format executables?
European MS-DOS 4
Test your knowledge of the DOS family of disk-based operating systems for IBM PC compatible computers, including IBM PC DOS, MS-DOS, DR-DOS, ROM-DOS, PTS-DOS, and FreeDOS. Learn about the history and dominance of MS-DOS in the IBM PC compatible market.
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