Microcontroller And Its Application MCQ: Microcontroller Q&A

Microcontroller And Its Application MCQ. This section has 25 advanced Multiple Choice Questions on Microcontrollers and Its Applications.

Microcontroller And Its Application MCQ

 

What are the essential tight constraints related to the design metrics of an embedded system ??

a. Ability to fit on a single chip
b. Low power consumption
c. Fast data processing for real-time operations
d. All of the above

 

What is the maximum device handling capacity of serial standard protocol RS485 ??

a. 8
b. 10
c. 16
d. 32

 

What does an IC that initiate or enable the data transfer on bus can be regarded as, in accordance to the I2c protocol specifications ??

a. Bus Master
b. Bus Slaves
c. Bus Drivers
d. Bus Data Carriers

 

Which mechanism automates the enabling of RS485 transceiver with an elimination of hardware handshake line during each time of the data transmission ??

a. RTS Control
b. Send Data Control
c. Tri-State Control
d. Bit-wise Enable Timing Control

 

Which protocol standard of serial communication specify the bi-directional and half-duplex form of data transmission by allowing various numbers of drivers and receivers in bus configuration ??

a. RS232
b. RS2485
c. RS422
d. RS423

Microcontroller And Its Application MCQ

 

Which among the below stated lines represent the handshaking variant usually and only controlled by the software in the handshaking process ??

a. XON/ XOFF
b. DCD & GND
c. TxD & RxD
d. All of the above

 

Which lines are utilized during the enable state of hardware flow control in DTE and DCE devices of RS232 ??

a. CD & IR
b. DSR & DTR
c. RTS & CTS
d. None of the above

 

Which characteristics of an embedded system exhibit the responsiveness to the assortments or variations in system’s environment by computing specific results for real-time applications without any kind of postponement ??

a. Single-functioned Characteristics
b. Tightly-constraint Characteristics
c. Reactive & Real-time Characteristics
d. All of the above

 

Which abstraction level undergo the compilation process by converting a sequential program into finite-state machine and register transfers while designing an embedded system ??

a. System
b. Behaviour
c. RT
d. Logic

 

Match the following registers with their functions ??

a. Line Status Register ——————– 1. Set Up the communication parameters
b. Line Control Register —————— 2. Sharing of similar addresses
c. Transmit & Receive Buffers ——— 3. Status Determination of Tx & Rr

a. A-2, B-1, C-3
b. A-1, B-2, C-3
c. A-3, B-1, C-2
d. A-3, B-2, C-1

Microcontroller And Its Application MCQ

 

Which feature deals with the fetching of next instruction during the execution of current instruction irrespective of the memory access ??

a. Fetching
b. Pre-fetching
c. Fetch & Decoding
d. All of the above

 

Which kind of multiplexing scheme is adopted by Von-Newman architecture especially for program and data fetching purposes ??

a. Time Division Multiplexing
b. Frequency Division Multiplexing
c. Statistical Time Division Multiplexing
d. Code Division

 

Which factors/parameters contribute to an effective utilization or adoption of Harvard architecture by most of the DSPs for streaming data ??

a. Greater memory bandwidth
b. Predictable nature of bandwidth
c. Both a & b
d. None of the above

 

Which architectural scheme has a provision of two sets for address and data buses between CPU and memory ??

a. Harvard architecture
b. Von-Neumann architecture
c. Princeton architecture
d. All of the above

 

Which register of current procedure resemble physically similar to the parameter register of called procedure during register to register operation in an overlapping window of RISC Processors ??

a. Local Register
b. Temporary Register
c. Parameter Register
d. All of the above

Microcontroller And Its Application MCQ

 

What does the compact and uniform nature of instructions in RISC processors facilitate to ??

a. Compiler optimization
b. Pipelining
c. Large memory footprints
d. None of the above

 

What are the significant designing issues/factors taken into consideration for RISC Processors ??

a. Simplicity in Instruction Set
b. Pipeline Instruction Optimization
c. Register Usage Optimization
d. All of the above

 

How are the address and data buses removed in external memory type of microcontrollers ??

a. Through demultiplexing by external latch & ALE signal
b. Through demultiplexing by external latch & DLE signal
c. Through multiplexing by external latch & DLE signal
d. Through multiplexing by external latch & ALE signal

 

External Memory Microcontrollers can overcome the limitations of insufficient in-built program and data memory by allowing the connections of external memory using ??

a. Serial Port Pins as address and data lines
b. Parallel Port Pins as address and data lines
c. Parallel Port Pins as address and control lines
d. Serial Port Pins as address and control lines

 

Which category of microcontrollers acquires the complete hardware configuration on its chip so as to run the particular application ??

a. Embedded Memory Microcontrollers
b. External Memory Microcontrollers
c. Both a & b
d. None of the above

Microcontroller And Its Application MCQ

 

Which microcontrollers offer the provisional and salient software features of fault handling capability, interrupt vector efficiency and versatile addressing ??

a. TMS 1000 (4 bit)
b. TMS 7500 (8 bit)
c. Intel 8096 (16 bit)
d. Intel 80960 (32 bit)

 

Which among the below stated statements does not exhibit the characteristic feature of 16-bit microcontroller ??

a. Large program & data memory spaces
b. High-speed
c. I/O Flexibility
d. Limited Control Applications

 

Which word size is approved to be of greater importance for performing the small computational tasks along with its storage usability feature adopted by ASCII code ??

a. 4-bit
b. 8-bit
c. 16-bit
d. 32-bit

 

Which minimum mode signal is used for demultiplexing the data and address lines with the assistance of an external latch in a microprocessor while accessing memory segment ??

a. INTA
b. DTE
c. HOLD
d. ALE

 

Why do the microprocessors possess very few bit manipulating instructions ??

a. Because they mostly operate on bits/ word data
b. Because they mostly operate on byte/word data
c. Both a & b
d. None of the above

 

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