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Quiz was Easy, Basic Questions

Question # 1 of 10:
Which of the following IRQs is a cascading interrupt?

• IRQ 0
• IRQ 1
• IRQ 2 (page # 106) ✔
• IRQ 3

Question # 2 of 10:
Which of the following IRQs is connected to serial port COM 2?

• IRQ 0
• IRQ 1
• IRQ 2
• IRQ 3 (page # 106) ✔

Question # 3 of 10:
Which of the following instruction selects memory address space?

• MOV (page # 107) ✔
• DEC
• IN
• ADD

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Question # 4 of 10:
Which of the following port number is used to send an end of interrupt (EOI) signal to the PIC after an interrupt is ended?

• 0x16
• 0x20 (page # 108 example 9.2) ✔
• 0x60
• 0x378

Question # 5 of 10:
The interrupt mask register which can be used for enabling or disabling interrupts is associated with:

• Port 19
• Port 20
• Port 21 (page # 107) ✔
• Port 22

Question # 6 of 10:
The parallel port connector is called?

• DB-25 (page # 117) ✔
• BD-25
• DB-24
• BD-24

Question # 7 of 10:
If ___ is set, the after every instruction type 1 interrupt will be automatically generated.

• parity flag
• trap flag (page # 125) ✔
• carry flag
• overflow flag

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Question # 8 of 10:
Which of the following is highest priority interrupt?

• INT 3
• INT 2
• INT 1
• INT 0 (page # 106) ✔

Question # 9 of 10:
Threads can have function calls, parameters and ___ variables.

• global
• local (page # 133) ✔
• legal
• illegal

Question # 10 of 10:
The first parallel port LPT1 has port number designated from ___ .

• 178 to 17A
• 278 to 27A
• 378 to 37A  (page # 117) ✔
• 478 to 47A

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