Explore topic-wise MCQs in Computer Organization.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Organization knowledge and support exam preparation. Choose a topic below to get started.

1.

THE_PROCESS_WHEREIN_THE_PROCESSOR_CONSTANTLY_CHECKS_THE_STATUS_FLAGS_IS_CALLED_AS?$

A. Polling
B. Inspection
C. Reviewing
D. Echoing
Answer» B. Inspection
Discussion
2.

THE_METHOD_WHICH_OFFERS_HIGHER_SPEEDS_OF_I/O_TRANSFERS_IS____________?$

A. Interrupts
B. Memory mapping
C. Program-controlled I/O
D. DMA
Answer» E.
Discussion
3.

The method of synchronising the processor with the I/O device in which the device sends a signal when it is ready i?

A. Exceptions
B. Signal handling
C. Interrupts
D. DMA
Answer» D. DMA
Discussion
4.

The method of accessing the I/O devices by repeatedly checking the status flags is ___________

A. Program-controlled I/O
B. Memory-mapped I/O
C. I/O mapped
D. None of the mentioned
Answer» B. Memory-mapped I/O
Discussion
5.

To overcome the lag in the operating speeds of the I/O device and the processor we use ___________

A. BUffer spaces
B. Status flags
C. Interrupt signals
D. Exceptions
Answer» C. Interrupt signals
Discussion
6.

The system is notified of a read or write operation by ___________

A. Appending an extra bit of the address
B. Enabling the read or write bits of the devices
C. Raising an appropriate interrupt signal
D. Sending a special signal along the BUS
Answer» E.
Discussion
7.

The advantage of I/O mapped devices to memory mapped is ___________

A. The former offers faster transfer of data
B. The devices connected using I/O mapping have a bigger buffer space
C. The devices have to deal with fewer address lines
D. No advantage as such
Answer» D. No advantage as such
Discussion
8.

In intel’s IA-32 architecture there is a separate 16 bit address space for the I/O devices?$

A. False
B. True
Answer» C.
Discussion
9.

The usual BUS structure used to connect the I/O devices is ___________

A. Star BUS structure
B. Multiple BUS structure
C. Single BUS structure
D. Node to Node BUS structure
Answer» D. Node to Node BUS structure
Discussion
10.

In memory-mapped I/O ____________

A. The I/O devices and the memory share the same address space
B. The I/O devices have a separate address space
C. The memory and I/O devices have an associated address space
D. A part of the memory is specifically set aside for the I/O operation
Answer» B. The I/O devices have a separate address space
Discussion