Characteristics and Quality Attribute of Embedded Systems
100
Which type of Sensors was used in Smart’ running shoes from Adidas?
Hall Effect Sensors
100
Difference Between ASIC & PLDS
ASIC is Application Specific and it time Programmable
PLD can be Program as per Customer requirement
100
What is optocoupler?
Optocoupler is a solid state device to isolate two parts of a circuit. Optocoupler combines an LED and a photo-transistor in a single housing (package)
100
What is the use of Brown out Protection Circuit ?
Brown-out protection circuit prevents the processor/controller from unexpected program execution behavior when the supply voltage to the processor/controller falls below a specified voltage
100
Response is a measure of ____________?
quickness of the system
200
Which is the most commonly used language(s) used in embedded system?
C
200
In RISC why it Consumes less Silicon chip?
It contains less number of Instructions
200
LM 335 is a ______type of sensors?
Voltage
200
Give an example of Watch dog timer.
ATM
200
Reliability of an Embedded System is a measure of
Performance of system in specific period of time
300
What is the function of Tele Coil in Digital hearing aid?
It sense magnetic displacement.
300
Which Endian Processor is used in Data Communication ?
Big endian
300
Which type of Network will be use by Zegbee
WPAN
300
What is the Function of reset Circuit?
The Reset signal brings the internal registers and the different hardware systems of the processor/controller to a known state and starts the firmware execution from the reset vector (Normally from vector address 0x0000 for conventional processors/controllers
300
In which Phase the unit cost is more in PLC?
Introduction Phase
400
Which type of Sensors are used to Capture Photos
CCD & CMOS
400
How many number of gates are their in CPLD?
CPLDs, by contrast, offer much smaller amounts of logic - up to about 10,000 gates
400
GPRS communication divides the radio Channel into _____time slots
8
400
Differentiate between EEPROM & Flash memory
Erasable Programmable Read Only (EPROM) memory gives the flexibility to re-program the same chip using electrical signals.The information contained in the EEPROM memory can be altered by using electrical signals at the register/Byte level
Flash store Data in sector or Page. Using Flash memory we can erase Individual data in a file.
400
Give an example for system independence software
MS office
500
What is MAC unit in Processor
Multiply & Accumulate
500
An integer variable with value 255 is stored in memory location at 0x4000. The processor word length is 8 bits and the processor is a big endian processor. The size off integer is considered as 4 bytes in the system. What is the value held by the memory location 0x4000?
00
500
What is product Life Cycle?
The product life cycle is an important concept in marketing. It describes the stages a product goes through from when it was first thought of until it finally is removed from the market. Not all products reach this final stage. Some continue to grow and others rise and fall.
500
Differentiate between NAND and NOR type of Flash memory?
Nand = Memory card (Storage)
NOR= Program Execution
500
The MTBF of an Embedded system is 9 months and MTTR of the Product is 3 weeks. What is the availability of the Product?