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Martin Rosenau
  • Member for 4 years, 2 months
  • Last seen this week
  • Germany
32 votes

Why did the Z80 with 4-bit ALU out-perform the fully 8-bit Intel 8080?

29 votes

Why was the Sega Genesis marketed as a 16-bit console?

27 votes
Accepted

Did any RISC CPU ever take more than one clock cycle per instruction?

19 votes

Why did the TRS-80 CPU have priority over the display?

15 votes

C64 cartridge emulation with ATmega

15 votes

Why is the Intel 8086 CPU called a 16-bit CPU?

12 votes
Accepted

Why did computer video outputs go from digital to analog, then back to digital?

9 votes

8080 vs. 8086 - Are 16 Bit CPUs bloaty by nature?

9 votes

Did MS-DOS itself ever use blinking text?

9 votes

Purpose of turbo switch on systems unable to slow to 4.77 MHz?

8 votes

Why are first four x86 General Purpose Registers named in such unintuitive order?

7 votes

What is the basic logic behind the setting or ordering of keys in a keyboard?

7 votes
Accepted

What's the purpose of HOLD command in 6502 stack pointer

6 votes

Allocate 64 KiB in Watcom C 16-bit DOS

5 votes

Are there any known viruses for CP/M?

5 votes

What did the 'turbo' button actually do?

5 votes

Why didn't the Acorn Archimedes support general purpose co-processors?

3 votes

Did terminals (e.g. VT100) require a terminal driver on the host computer?

3 votes

How to image a RLL or MFM hard disk on an XT class PC

3 votes

How big is a mainframe?

3 votes
Accepted

What don't I understand about this LR35902 code?

3 votes

How does a floppy drive identify the first and last sectors and tracks?

3 votes

Why were the PlayStation 2 CPU and GPU initially separate chips?

2 votes

Why did IBM System /360 have byte addressable RAM, but didn't have 8 bits registers

2 votes

What 8-bit microcomputer systems multiplexed multiple physical ports on a single controller?

2 votes

How can I create a pipe for stdin/stdout of command.com (or 4dos.com) in C or a batch file?

2 votes
Accepted

Can Access Fault Exceptions of the MC68040 caused by internal access faults occur in normal situations?

1 vote

Security Issues with Bootable Games

1 vote

TCP over RS-232 with Windows 3.1 and Internet Explorer 5 dialer

1 vote

Why did CP/M and MS-DOS use the BIOS instead of their own drivers to access hardware?