← CS401 - Computer Architecture and Assembly Language Programming OverviewChapter 10

Ch 10: Hardware Interrupts and PIC 8259

189 Questions189 MCQs0 Short Questions0 Long Questions
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Showing 31 – 40 of 189 Questions
Page 4 of 19
Q31
❓ MCQ📘 CS401📑 Lec 10🏷️ 10.1. Advanced Hardware Architecture (Hard Disk MBR and Partition Table)Easy🔁⭐💡📄🎓VU🏛️VU
In hard disk storage organization, what critical system structure is contained within the first physical sector (Master Boot Record / MBR)?
  1. A.Hard disk size
  2. B.Partition table
  3. C.Data size
  4. D.Sector size
Q32
❓ MCQ📘 CS401📑 Lec 10🏷️ 10.1. Hardware Interfacing and I/O (OUT Instruction Accumulator Operand)Easy🔁⭐💡📄🎓VU🏛️VU
In the x86 peripheral I/O instruction `OUT`, which register serves as the source data register?
💻 assembly Snippet
mov dx, 0x378 ; Parallel port data register address
mov al, 0xFF  ; Data byte
out dx, al    ; Outputs AL to port DX
  1. A.AL or AX
  2. B.BL or BX
  3. C.CL or CX
  4. D.DL or DX
Q33
❓ MCQ📘 CS401📑 Lec 10🏷️ 10.1. Hardware Interfacing and I/O (Parallel Port DB-25 Ground Pins)Easy🔁⭐💡📄🎓VU🏛️VU
In standard DB-25 PC parallel printer port connectors, which range of signal pins is connected to ground?
  1. A.10-18
  2. B.18-25
  3. C.25-32
  4. D.32-39
Q34
❓ MCQ📘 CS401📑 Lec 10🏷️ 10.1. Hardware Interfacing and I/O (DB-9 Serial Pinout RD Pin 2)Easy🔁⭐💡📄🎓VU🏛️VU
On a standard 9-pin DB-9 RS-232 serial communication connector, which pin is assigned to RD (Received Data)?
  1. A.1
  2. B.2
  3. C.3
  4. D.4
Q35
❓ MCQ📘 CS401📑 Lec 10🏷️ 10.1. Hardware Interfacing and I/O (DB-9 Serial Pinout Ground Pin 5)Easy🔁⭐💡📄🎓VU🏛️VU
On a standard 9-pin DB-9 RS-232 serial communication connector, which pin is assigned to Signal Ground?
  1. A.3
  2. B.4
  3. C.5
  4. D.6
Q36
❓ MCQ📘 CS401📑 Lec 10🏷️ 10.1. Hardware Interfacing and I/O (DB-9 Serial Pinout TD Pin 3)Easy🔁⭐💡📄🎓VU🏛️VU
On a standard 9-pin DB-9 RS-232 serial connector, which pin is assigned to TD (Transmitted Data)?
  1. A.1
  2. B.2
  3. C.3
  4. D.4
Q37
📝 Short Q📘 CS401📑 Lec 10🏷️ 10.1. Hardware Interfacing and I/O (Parallel Port Ground Pins 18-25)Easy🔁⭐💡📄🎓VU🏛️VU
On a standard DB-25 parallel printer port connector, which range of pins is connected to signal ground?
Q38
❓ MCQ📘 CS401📑 Lec 10🏷️ 10.1. Hardware Interfacing and I/O (Parallel Port DB-25 Ground Pins)Easy🔁⭐💡📄🎓VU🏛️VU
On a standard DB-25 parallel printer port connector, which pin range is connected to signal ground?
  1. A.10-18
  2. B.18-25
  3. C.25-32
  4. D.32-39
Q39
📝 Short Q📘 CS401📑 Lec 10🏷️ 10.1. Hardware Interfacing and I/O (OUT Instruction Accumulator Source)Easy🔁⭐💡📄🎓VU🏛️VU
The peripheral output instruction `OUT DX, AX` uses which register as its source data register for 16-bit word transfers?
💻 assembly Snippet
mov dx, 0x03C8 ; VGA palette port
mov ax, 0x00FF ; Color data
out dx, ax    ; Transmits AX to port DX
Q40
❓ MCQ📘 CS401📑 Lec 10🏷️ 10.1. Hardware Interfacing and I/O (DB-9 Serial Pinout DSR Pin 6)Easy🔁⭐💡📄🎓VU🏛️VU
On a standard 9-pin DB-9 RS-232 serial communication connector, which pin is assigned to DSR (Data Set Ready)?
  1. A.5
  2. B.6
  3. C.7
  4. D.8

📖 Related CS401 - Computer Architecture and Assembly Language Programming Curriculum Units

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View All CS401 - Computer Architecture and Assembly Language Programming Chapters →
Ch 01: Introduction to Assembly Language387 QsCh 02: 16-Bit Segmented Memory Model & Addressing Modes395 QsCh 03: Branching, Loops and Program Flow261 QsCh 04: Bit Manipulation and Shifts198 QsCh 05: Subroutines and Stack Architecture222 QsCh 06: Parameter Passing and Stack Frames216 Qs