Which is the last instruction of the ISR that is to be executed when the ISR terminates?

• A) IRQ
• B) NMI
• C) INT
• D) IRET

----------- allows a peripheral to read and write memory without intervention by the CPU.

• A) Polling
• B) Interrupt driven I/O
• C) Programmed I/O
• D) Direct memory access(DMA)

Interrupt driven I/O is better than ______________.

• A) Data Forwarding
• B) Polling
• C) First In First Out
• D) Stall

The source file of FALSIM should contain ____________ text only.

• A) UTF
• B) ANSI
• C) ASCII
• D) Unicode

CRC has ------------ overhead as compared to Hamming code.

• A) Equal
• B) Greater
• C) Lesser
• D) None of the given

Along with information bits we add up another bit which is called the______________bit.

• A) Hamming
• B) Parity
• C) CRC
• D) Error Detection

Raid level ______ distributes the parity strips across all disks.

• A) 5
• B) 3
• C) 4
• D) 2

human works with base 10 and computers work with base _________.

• A) 16
• B) 10
• C) 2
• D) 8

The average latency to the desired data is halfway round the disk so, what will be the average rotational latency if the disk rotates at 20,000 rpm.

• A) 1.0ms
• B) 1.25ms
• C) 2.0ms
• D) 1.5ms

A _______signal decides whether the input word should be shifted or bypassed.

• A) Control Read
• B) None of the given
• C) shift/bypass
• D) Control Write

______ is the simplest form for representing a signed number

• A) Sign Magnitude Form
• B) Diminished Radix Compliment Form
• C) Biased Representation
• D) None of the given

Taking control of the system bus for a few bus cycles is known as _____________.

• A) Cycle Transfering
• B) Cycle Stealing
• C) None of given
• D) Bus Stealing

The conversion of numbers from a representation in one base to another is known as_______

• A) Number Representation
• B) Decimal representation
• C) Radix Conversion
• D) Hexadecimal Representation

In which technique does the hardware directly access host memory for reading or writing independent of CPU?

• A) Interrupt driven I/O
• B) Direct Memory Access (DMA)
• C) Polling
• D) Programmed I/O

By which file extension does the FALCON-A Assembler loads a FALCON-A assembly file?

• A) .exe
• B) .org
• C) .asmfa
• D) .src

How does DMA saves CPU time?

• A) By issuing an interrupt request to the CPU to request attention.
• B) By periodically polling.
• C) By controlling data transfer between I/O device and memory directly.
• D) By storing all data in a buffer to be later transferred to the CPU.

What is the basic idea of “carry look ahead”?

• A) To speed up the ripple carry
• B) To solve the redundancy
• C) To synchronize with CPU clock
• D) To reduce congestion

The _________ of an m digit number x is \[{x^c} = {b^m} - 1 - x\]

• A) Diminished Radix Compliment
• B) Radix Compliment
• C) Biased Representation
• D) Signed Magnitude Form

What should be the behavior of interrupts during critical sections?

• A) Only important interrupts be enable.
• B) Depends on current situation
• C) Must remain Disable
• D) Must remain Enable

----------the device usually means reading its status register every so often until the device's status changes to indicate that it has completed the request.

• A) Masking
• B) Interrupting
• C) Polling
• D) Executing