Subject
Computer Science
Topic
Computer Hardware
How many standard interrupt levels exist on the 8-bit ISA (XT) bus?
How many standard interrupt levels exist on the 8-bit ISA (XT) bus?
a)
4b)
8c)
12d)
16Explanation
XT-class systems expose IRQ0–7. AT systems add a second controller (for 16 total levels).Related questions
Which is best for cleaning Mylar-protected LCD screens?ESD potential decreases with the use of a:Which FRU is clearly an input/output device?A COM port is a ______ port.Which device uses IRQ 6 by default?With two IDE hard drives, the primary partition of the second drive becomes drive letter:Key difference between USB and IEEE 1394 (FireWire) is that:Which specification covers PC Card (“PCMCIA”) hard cards?