Input & Output Interfacing Levels - MCQs with answersQ1. Which interface allows the cardinal provision of communicating with one particular input-output device in addition to the programming capability for operating with specific device?
a. Parallel Peripheral Interface
b. Serial Communication Interface
c. Special Dedicated Interface
d. Direct Memory Access InterfaceView Answer / Hide Answer
Q2. Which lines are supposed to control or handle the transfer operation between two devices in asynchronous mode by apprising the status of transfer using common bus ?
ANSWER: c. Special Dedicated Interface
a. Control Lines
b. Data Lines
c. Transfer Lines
d. Handshake LinesView Answer / Hide Answer
Q3. What registers are significantly incremented and decremented respectively for the transmission of each byte by Direct Memory Access (DMA) ?
ANSWER: d. Handshake Lines
a. Address Register & Byte Count Register
b. Control Register & Byte Count Register
c. Transmitter Register & Byte Count Register
d. Status- Register & Byte Count Register View Answer / Hide Answer
ANSWER: a. Address Register & Byte Count Register