Consider the following statements:The 8259A Programmable Interrupt Controller can1. Manage eight interrupts2. Vector can interrupt request anywhere in the memory map3. Have an 8-bit or 16-bit interval between interrupt vector locations4. Be initialized with operational command wordsWhich of the above statements are correct?

Consider the following statements:The 8259A Programmable Interrupt Con

1.	Consider the following statements:The 8259A Programmable Interrupt Controller can1. Manage eight interrupts2. Vector can interrupt request anywhere in the memory map3. Have an 8-bit or 16-bit interval between interrupt vector locations4. Be initialized with operational command wordsWhich of the above statements are correct?
A.	1, 2 and 3 only
B.	1, 2 and 4 only
C.	3 and 4 only
D.	1, 2, 3 and 4
Answer» E.