What is the full form of DMA ?

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The full form of DMA is: Direct Memory Access.
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What is the full form of 'DMA' ? -How To ?

Description : What is the full form of 'DMA' ? -How To ?

Last Answer : The full form of 'DMA' is Direct Momory Access

An interface that provides I/O transfer of data directly to and form the memory unit and peripheral is termed as________ A. DDA B. Serial interface C. Direct Memory Access (DMA) D. None of the Above

Description : An interface that provides I/O transfer of data directly to and form the memory unit and peripheral is termed as________ A. DDA B. Serial interface C. Direct Memory Access (DMA) D. None of the Above

Last Answer : C. Direct Memory Access (DMA)

What does DMA stand for? A) Distinct Memory Access B) Direct Memory Access C) Direct Module Access D) Direct Memory Allocation

Description : What does DMA stand for? A) Distinct Memory Access B) Direct Memory Access C) Direct Module Access D) Direct Memory Allocation

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Known as the data transfer scheme that used handmaking principle. A. Synchronous data transfer scheme B. DMA data transfer scheme C. Asynchronous data transfer scheme D. Uninterrupted data transfer scheme

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Control signals used for DMA operation are ____________

Description : Control signals used for DMA operation are ____________

Last Answer : HOLD & HLDA.

Which is an important data transfer technique . a. CPU b. DMA Cc. CAD d. None of these

Description : Which is an important data transfer technique . a. CPU b. DMA Cc. CAD d. None of these

Last Answer : b. DMA

DMA stands for: a) Dial - Up Multiplier Access b) Digital Media Access c) Direct Memory Access d) None of These

Description : DMA stands for: a) Dial - Up Multiplier Access b) Digital Media Access c) Direct Memory Access d) None of These

Last Answer : c) Direct Memory Access

DMA stands for: a) Direct Memory Access b) Direct Module Access c) Direct Memory Access d) None of The Above

Description : DMA stands for: a) Direct Memory Access b) Direct Module Access c) Direct Memory Access d) None of The Above

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DMA stands for ________ 1) Direct Memory Access 2) Distinct Memory Access 3) Direct Module Access 4) Direct Memory Allocation

Description : DMA stands for ________ 1) Direct Memory Access 2) Distinct Memory Access 3) Direct Module Access 4) Direct Memory Allocation

Last Answer : 1) Direct Memory Access

The method which offers higher speeds of I/O transfers is ___________ a) Interrupts b) Memory mapping c) Program-controlled I/O d) DMA

Description : The method which offers higher speeds of I/O transfers is ___________ a) Interrupts b) Memory mapping c) Program-controlled I/O d) DMA

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The method of synchronising the processor with the I/O device in which the device sends a signal when it is ready is? a) Exceptions b) Signal handling c) Interrupts d) DMA

Description : The method of synchronising the processor with the I/O device in which the device sends a signal when it is ready is? a) Exceptions b) Signal handling c) Interrupts d) DMA

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DMA stands for ________ 1 Direct Memory Access 2 Distinct Memory Access 3 Direct Module Access 4 Direct Memory Allocation

Description : DMA stands for ________ 1 Direct Memory Access 2 Distinct Memory Access 3 Direct Module Access 4 Direct Memory Allocation

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Define DMA in a DSP system.

Description : Define DMA in a DSP system.

Last Answer : The '54x direct memory access (DMA) controller transfers data between points in the memory map without intervention by the CPU. The DMA allows movements of data to and from internal ... operation. The DMA has six independent programmable channels, allowing six different contexts for DMA operation.

Interfacing devices for DMA controller, programmable interval timer are respectively…a) 8257, 8253 b) 8253, 8257 c) 8257,8251 d)8251,825721.

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The mode of DMA are: a. Single transfer b. Block transfer c. Burst –block transfer d. Repeated single transfer e. Repeated–block transfer f. Repeated Burst –block transfer g. All of these

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Last Answer : g. All of these

The CPU completes yields control of the bus to the DMA controller via: a. DMA acknowledge signal b. DMA integrated signal c. DMA implicitly signal d. None of these

Description : The CPU completes yields control of the bus to the DMA controller via: a. DMA acknowledge signal b. DMA integrated signal c. DMA implicitly signal d. None of these

Last Answer : a. DMA acknowledge signal

The DMA controllers are special hardware embedded into the chip in modern integrate processor that ____and_____ to the system; a. Data transfer b. arbitrate access c. Both A and B d. None of these

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DMA stands for: a. Dynamic memory access b. Data memory access c. Direct memory access d. Both B and C

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Last Answer : d. Both B and C

DMA stands for: a. Direct memory access b. Direct memory allocation c. Data memory access d. Data memory allocation

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Last Answer : a. Direct memory access

BHE of 8086 microprocessor signal is used to interface the a) Even bank memory b) Odd bank memory c) I/O d) DMA

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Last Answer : b) Odd bank memory

Point out how DMA can improve I/O speed.

Description : Point out how DMA can improve I/O speed.

Last Answer : DMA is implemented with a specialized controller that transfers data between an I/O device and memory independent of the processor The DMA controller becomes the master and directs the reads and writes between itself and memory. During data transfer is not routed through the processors

A DMA controller transfers 32-bit words to memory using cycle Stealing. The words are assembled from a device that transmits characters at a rate of 4800 characters per second. The CPU is fetching and executing instructions at an average rate of one million instructions per second. By how much will the CPU be slowed down because of the DMA transfer? (A) 0.06% (B) 0.12% (C) 1.2% (D) 2.5%

Description : A DMA controller transfers 32-bit words to memory using cycle Stealing. The words are assembled from a device that transmits characters at a rate of 4800 characters per second. The CPU is fetching and executing instructions at an average ... of the DMA transfer? (A) 0.06% (B) 0.12% (C) 1.2% (D) 2.5%

Last Answer : Answer: B

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