Embedded Real Time Operating System Set 2
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This set of Embedded Real Time Operating System Multiple Choice Questions & Answers (MCQs) focuses on Embedded Real Time Operating System Set 2
Q1 | What does an IC that initiate or enable the data transfer on bus can be regarded as, in accordance to the I2c protocol specifications?
- bus slaves
- bus master
- bus drivers
- bus data carriers
Q2 | ______ is a technology that allows telephone calls to be made over computer networks like the Internet.
- voip
- gsm
- modem
- cdma
Q3 | Which development tool can facilitate the creation and modification of source programs in addition to assembly and higher -level languages?
- compiler
- linker
- assembler
- editor
Q4 | Which types of an embedded systems involve the coding at a simple level in an embedded 'C', without any necessity of RTOS?
- sophisticated embedded systems
- medium scale embedded systems
- small scale embedded systems
- all of the above
Q5 | While designing an embedded system, which sub-task oriented process allocates the time steps for various modules that share the similar resources?
- simulation and validation
- iteration
- hardware-software partitioning
- scheduling
Q6 | The step where in the results stored in the temporary register is transferred into the permanent register is called as ______
- final step
- commitment step
- last step
- inception step
Q7 | If an exception is raised and the succeeding instructions are executed completely, then the processor is said to have ______
- exception handling
- imprecise exceptions
- error correction
- none of the mentioned
Q8 | For applications that demand very high data-processing requirements, or if double precision floating point calculation is needed, then best choice will be
- cortex-m0 processor
- cortex-m3 processor
- cortex-m7 processor
- cortex-m0+ processor
Q9 | Which scheme/ strategy is suitable to establish the communication between the access point (AP) and the infrastructure of LANs?
- non-reception of frame & necessity of retransmission
- no necessity of working in duplex mode for the host
- no necessity to prevent the signal fading
- all of the above
Q10 | Unauthorised access of information from a wireless device through a bluetooth connection is called _________
- bluemaking
- bluestring
- bluestring
- bluesnarfing
Q11 | Suppose a TCP connection is transferring a file of 1000 bytes. The first byte is numbered 10001. What is the sequence number of the segment if all data is sent in only one segment?
- 10001
- 12001
- 14000
- 12002
Q12 | Bytes of data being transferred in each connection are numbered by TCP. These numbers start with a _________
- fixed number
- random sequence of 0’s and 1’s
- one
- sequence of zero’s and one’s
Q13 | Which of the following are external pins whose logic state can be controlled by the processor to either be a logic zero or logic one is known as
- analogue value
- display values
- binary values
- time derived digital outputs
Q14 | Which of the following has a quadruple buffered receiver and a double buffered transmitter?
- intel 8250
- 16450
- 16550
- mc68681
Q15 | process that is based on IPC mechanism which executes on different systems and can communicate with other processes using message based communication, is called ________
- local procedure call
- inter process communication
- remote procedure call
- remote machine invocation
Q16 | Which abstraction level undergo the compilation process by converting a sequential program into finite-state machine and register transfers while designing an embedded system?
- system
- behaviour
- rt
- logic
Q17 | 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 ?
- single-functioned characteristic
- tightly-constraint characteristics
- reactive & real time characteristics
- all of the above
Q18 | Which potential mode of operation indicate the frequent sending of byte to the slave corresponding to the reception of an acknowledge signal when it becomes desirable for the master to write to the slave during data transmission in I2C bus?
- master in master-transmit mode & slave in slave-receive mode
- slave in slave-transmit mode & master in master-receive mode
- master in master-transmit mode as well as master-receive mode
- slave in slave-transmit mode as well as slave-receive mode
Q19 | Which method of multiple secondary communication in TDMA is acquired/adopted by bluetooth especially where data integrity becomes more crucial than avoiding latency?
- synchronous connection-oriented (sco) link
- asynchronous connectionless link (acl)
- both a & b
- none of the above
Q20 | The upper 128 bytes of an internal data memory from 80H through FFH usually represent ___________.
- general-purpose registers
- special function registers
- stack pointers
- program counters
Q21 | Which standard govern parallel communications?
- RS232
- RS-232a
- CAT 5
- IEEE 1284
Q22 | Which common bus specification provides the fastest data transfer rate?
- VL bus
- ISA
- PCI
- All of the above
Q23 | Devices that use the ____ bus are self-configuring.
- EISA
- ISA
- MCA
- PCI
Q24 | Which of following is not a valid bus in computer system ?
- Data Bus
- Memory Bus
- Address Bus
- System Bus
Q25 | The AT bus is also known as the ____ bus.
- 286
- 8-bit ISA
- 16-bit ISA
- ISA