User Evan Carroll

5

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3

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12k

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Why did DOS use dollar-terminated strings?

ms-dos assembly

Jun 28 '19 at 11:44 Community♦ 1

3

47

votes

1

answer

10k

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What is the context of the button “Is MS DOS a feminist?”

ms-dos

Mar 21 at 14:32 Evan Carroll 2,988

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21

votes

2

answers

5k

views

The start of x86: Intel 8080 vs Intel 8086?

intel 8080 8086 80386 x86

Oct 16 '19 at 15:50 Peter Cordes 1,658

4

17

votes

3

answers

3k

views

Was there any automated unit testing prior to 1972?

assembly testing

Jun 11 at 15:59 DrSheldon 7,621

5

17

votes

1

answer

2k

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Which undocumented 8085 instructions is Steven Morse referring to in “In The Beginning”?

intel instruction-set 8085

Oct 16 '19 at 8:51 TonyM 1,266

2

14

votes

1

answer

505

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SYSENTER/SYSEXIT broken on Pentium Pro and Pentium II?

assembly intel x86 bugs

Jan 19 at 9:49 user3840170 3,400

1

13

votes

3

answers

947

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x86 as a Pascal Machine?

x86 pascal

Jul 7 '18 at 18:10 supercat 18.7k

1

9

votes

1

answer

671

views

Is there any reason to chose ES, FS, or GS over the others in real mode?

memory intel

Mar 22 at 18:15 Raffzahn 123k

9

votes

1

answer

342

views

What do the stars mean on the Bell Labs Pins (company culture)?

history

Jul 10 '19 at 3:13 Evan Carroll 2,988

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votes

2

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712

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When did Intel undergo the SEX change?

assembly intel

Oct 15 '18 at 12:05 Raffzahn 123k

7

votes

1

answer

1k

views

How do you put a 286 in Protected Mode?

80286 x86 protected-mode

Sep 5 '19 at 18:32 Mike 103

1

7

votes

4

answers

1k

views

Reason behind “ASCII Adjust” instructions being ASCII and not BCD?

assembly intel x86 binary-coded-decimal

Feb 9 '19 at 18:34 Community♦ 1

1

6

votes

3

answers

954

views

Why does -z and -n exist in most shells and /bin/test?

unix shell design-choices

Jan 18 at 0:05 Evan Carroll 2,988

6

votes

0

answers

261

views

Did any mechanical computers or calculators handle divide by zero with an exception, or did they all loop?

calculator mechanical

Jun 21 '19 at 23:50 Evan Carroll 2,988

1

6

votes

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answer

793

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What instructions for the 8086 and subsequent x86 CPUs are not available in Long Mode?

assembly intel 8086 binary-coded-decimal

Feb 9 '19 at 18:38 DrSheldon 7,621

2

5

votes

3

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2k

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When did “Zen” in computer programming become a thing?

history books

Jan 22 at 13:32 user3840170 3,400

5

votes

3

answers

2k

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Is BX the Base Address Register, and if so why?

intel

Sep 19 '18 at 18:29 Joshua 344

3

votes

4

answers

704

views

Was there ever a compiler type that was just large enough to contain a memory segment?

programming c compilers segmentation

Jul 13 '18 at 20:19 rcgldr 271

1

2

votes

1

answer

227

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What was the last of the Thinkpad X series with replaceable RAM? [closed]

ram thinkpad

Feb 16 '20 at 8:55 Stephen Kitt 76.1k

2

votes

1

answer

318

views

Power switch color on IBM PS/2 red vs white?

ibm-pc ibm

Oct 5 '19 at 4:11 Ken Gober 10.7k

1

vote

0

answers

212

views

Why does Oracle use MINUS instead of EXCEPT? [closed]

terminology

Sep 25 '18 at 3:24 Community♦ 1

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21 Questions

Why did DOS use dollar-terminated strings?

What is the context of the button “Is MS DOS a feminist?”

The start of x86: Intel 8080 vs Intel 8086?

Was there any automated unit testing prior to 1972?

Which undocumented 8085 instructions is Steven Morse referring to in “In The Beginning”?

SYSENTER/SYSEXIT broken on Pentium Pro and Pentium II?

x86 as a Pascal Machine?

Is there any reason to chose ES, FS, or GS over the others in real mode?

What do the stars mean on the Bell Labs Pins (company culture)?

When did Intel undergo the SEX change?

How do you put a 286 in Protected Mode?

Reason behind “ASCII Adjust” instructions being ASCII and not BCD?

Why does -z and -n exist in most shells and /bin/test?

Did any mechanical computers or calculators handle divide by zero with an exception, or did they all loop?

What instructions for the 8086 and subsequent x86 CPUs are not available in Long Mode?

When did “Zen” in computer programming become a thing?

Is BX the Base Address Register, and if so why?

Was there ever a compiler type that was just large enough to contain a memory segment?

What was the last of the Thinkpad X series with replaceable RAM? [closed]

Power switch color on IBM PS/2 red vs white?

Why does Oracle use MINUS instead of EXCEPT? [closed]