SUB NAME: EMBEDDED REAL TIME SYSTEMS
BRANCH:IV ECE,II SEM
1.INTRODUCTION
1)An embedded system is a combination of both________________&__________
Ans)hardware,firmware
2)A_________connected to the input port of the embedded system is used to capture the variation in environmental variables.
Ans)sensor
3)an embedded syste includes_____________memory to store the collected data.
Ans)built in
4)The RISC stands for_______________
Ans)reduced instruction set computing
5)The____________-architecture based processors first fetch as instruction and then fetch data to support the instruction.
Ans)von_nuemann
6)An represent____________-order in which the data is stored in the memory by processor operations in a multi byte system.
Ans)endianness
7)The piezo buzzer is a device used to generate_______________ined application.
Ans)audio indications.
8)The push button switch has two configurations_______________&____________
Ans)push to make,push to break
9)The process of converting the written program into either a high language or processor specific assembly code is called_________________
Ans)hex file creation
10)The firmware of embedded is __________( d)
a)alterable b)non alterable
c)unalterable d)both b and c
11)for instruction and data fetching von nuemann architecture uses (a )
a)single bus b)two buses
c)three buses d)no buses
12)the __________-device converts the signal to espective physical action (b )
a)sensors b)actuators
c)risc d)cisc
13)The UART based data transmission is asynchronous form of________________data transmission.( a )
a)serial b)parallel
c)both d)none of the above
14)The zigbee coordinator acts as the root of the zigbee ( c )
a)router b)end device
c)network d)none of the above
15)what are the applications of embedded systems?
Ans)medical systems,telecommunication
16)what is mean bt data communication?
Ans)it is defined as a transmi9ssion of data,collected by an embedded terminal from one system to other.
17)PLD’S stands for________________________.
Ans)programmable logic devices
18)ASIC stands for_________________
Ans)application specific integrated circuit
19)CISC stands for___________________
Ans)complex instruction decoding
20)RISC stands for_______________
Ans)reduced instruction decoding
2.HARDWARE SOFTWARE CODESIGN
1)Through of an embedded system is a measure of the__________________of the system.
Ans)efficiency
2)MTBF and MTTR defines the ___________-of an embedded system.
Ans)reliability
3)SCADA system is a __________--embedded system.
Ans)distributed
4)_______________is measure of system independence.
Ans)portability
5)for an embedded system the quality attribte____----refers to the modifiability of the product.
Ans)evolvability
6)during the normal condition if the timer is not running then it is said to be___________state.
Ans)idle
7)The model ____________dissiminates a complex software requirement into simple well defined parts called objects.
Ans)object oriented
8)A____________is an abstraction of the uml model.
Ans)thing
9)____________are the parameters used in decision making of partitioning requirements of system into either software or hardware.
Ans)hardware software tadeoffs
10)the_________--register holds the presents state and the_____________ckt implement the logic for next state and output.
Ans)state,combinational
11)quality attributes of an embedded system are________________(b )
a)functional requirement b)non functional requirements
c)both a and b d)none of the above
12)how fast the system tracks changes in input is measured by ( a )
a)response b)portability
c)reliability d)throughput
13)_____-gives the frequency of failures of an embedded system( c )
a)MTTR b)MTTS
c)MTBF d)MTBE
14)which of the following is true about embedded system ( d )
a)re active &realtime b)distributed
c)operations in harsh environment d)all of the above
15)__________,_ and __are the three measures of information security in embedded system ( )
Ans)confidentiality,integrity,availability
16)state is represented as__________
Ans)ronded rectangle
17)UML stands for _____
Ans)unified modeling language
18)what is an object?
Ans)an instance of a class is called as object.
19)CISC stands for__________________
Ans)complex instruction set computing
20)RISC stands for______________--
Ans)reduced instruction set computing
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