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davidbak
  • Member for 6 years, 3 months
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45 votes
Accepted

What's the origin of process return status 0 meaning success?

37 votes

Why were programs entered on punch cards instead of paper tapes?

35 votes
Accepted

Were any IBM mainframes ever run multiuser?

31 votes

Dealing with oversized files decades ago? Data transfer in the age of floppy disks

26 votes

What "spectacular to watch" algorithms were used for sorting tapes?

25 votes
Accepted

What motivated the weird boolean instruction repertoire of the PDP-11?

22 votes
Accepted

80286 can switch from real mode to protected mode - but why not back?

18 votes

Was there a retro computer susceptible of being damaged only by issuing instructions at it?

15 votes
Accepted

Which endian was the Intel 4004?

13 votes

Was there a retro computer susceptible of being damaged only by issuing instructions at it?

13 votes

What was the earliest system to explicitly support threading based on shared memory?

12 votes
Accepted

What was the DEC Type 30 vector graphics display used for?

10 votes

Why use static RAM addresses instead of the stack?

9 votes

What were the first BASIC interpreters to be programmed in high-level languages?

9 votes

The two types of Return keys on keyboard layouts

8 votes

What was the main purpose of bitshift instructions in CPU?

6 votes
Accepted

What graphics sytems used display lists?

5 votes

What computer first facilitated multi-precision arithmetic

4 votes

Was there a Western computer with blatantly missing instructions in the instruction set?

4 votes

CDC 6600 system console

4 votes

Did the Algol 68 standard allow a procedure to be called before its declaration?

3 votes

COBOL and processing card files directly

3 votes

What is generally accepted as being the first machine implementation of a search tree?

3 votes

What 20th-century computers besides KDF9 replicated hardware for each concurrently-running program?

3 votes

What was the value of the HP/1000 repeated indirection capability?

2 votes

What operating systems allowed arbitrarily-sized disk blocks?

2 votes

How did UCSD Pascal exception mechanism work?

1 vote

Was Unix ever a single-user OS?

0 votes

How was parity used with modems?