#EmbeddedSystem MCQ class test

 

Embedded system is ___________.

a)      Combination of hardware and software

b)      Stand alone system

c)      Can be used for specific applications

d)     All of above

 

Which is not type of buses?

a)      Address bus

b)     Digital bus

c)      Control bus

d)     Data bus

 

Embedded systems are used only for the purpose they are designed.

a)      True

b)      False

 

Which is application of embedded system?

a)      Multi tasking toys

b)      Digital cameras

c)      Washing machine

d)     All of above

 

Which is not feature of embedded system?

a)      It is non user programmable

b)     It is flexible and can be used for different applications

c)      It is efficient

d)     Less costly due to mass production

 

In Harvard architecture, address and data memory is__________

a)      Combined

b)     Separate data and program memory

c)      Not present

d)     None of above

 

Speed of operation of von-neumann architecture is _______ as compared to Harvard architecture

a)      Slower

b)      Faster

c)      Equal

d)     None of above

 

Data and address lines are __________ in von-neumann architecture

a)      Separate

b)     Combined / multiplexed

c)      Not used

d)     16-bit

 

________ is the example of von-neumann architecture

a)      8051

b)     8085

c)      8052

d)     89s52

 

In RISC, program size is short and code size is less

a)      True

b)     False

 

RISC stands for___________.

a)      Reduced information set complex

b)      Repeat instruction set computer

c)      Reduced instruction set computer

d)     None of above

 

 CISC uses ___________ clock and more stress on _________.

a)      Single, software

b)      Single, hardware

c)      multiple, software

d)     multiple, hardware

 

NRE (Non Recurring Engineering) cost is_________.

a)      Unit cost of individual unit 

b)      Overall production cost

c)      One time investment done in embedded system like its money invested in design, research and development (R&D), hardware

d)     None of above

 

Medium scale embedded system uses_____ processors.

a)      1-8 bit

b)      8- 16 bit

c)      16-32 bit

d)     Scalable

 

Real-time embedded systems follows deadline

a)      True

b)      False

 

Debugger is used to write program codes and convert it into machine codes

a)      True

b)     False

 

IDE consist of___________

a)      Editor

b)      Assembler

c)      Compiler

d)     All of above

 

Emulator is ____________tool which duplicates the function original system by using different methods so that it will acts like original system.

a)      Hardware

b)      Software

c)      Program

d)     None of above

 

Which of the following C-language example perform XOR operation

a)      A=B & C

b)     A=B ^ C

c)      A=B | C

d)     None of above

 

Programming in assembly language is _________than programming in embedded C

a)      Faster

b)      Slower

c)      Easier

d)     None of above

 

P0=0XFF; instruction configures port 0 as input port

a)      True

b)      False

 

While programming in Embedded-C, debugging is __________

a)      Difficult

b)     Easy

c)      Not possible

d)     None of above

 

Data bus of PIC microcontroller is __________

a)      8-bit

b)      16-bit

c)      32-bit

d)     All of above

 

Clock speed of AVR is___________

a)      12 Clocks per instruction cycle

b)      4 Clocks per instruction cycle

c)      1 clock per instruction cycle

d)     None of above

 

The function of editor is to provide facility of

a)      Write and modify source codes

b)      List errors

c)      Converting source codes into machine codes

d)     None of above

 

Assembler and compiler are used to convert __________ and _____________ into machine language codes respectively

a)      Low language codes and high level language codes

b)      High level language codes and Low language codes

c)      high level language codes and machine codes

d)     none of above

 

____________ is used to combine small modules to form one large program

a)      loader

b)      locator

c)      linker

d)     debugger

 

‘C’ language program for 89C51 to generate triangular waveform uses__________

a)      for(d=0; d<255; d++)

b)      for(d=255; d>0; d--)

c)      both of above

d)     for(d=255; d--)

 

in serial communication, data is sent at a time

a)      true

b)     false

 

in synchronous communication, transmitter and receivers uses ________ clock frequency

a)      same

b)      different

c)      minimum

d)     maximum

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