Explore topic-wise MCQs in Internet of things (IoT).

This section includes 31 Mcqs, each offering curated multiple-choice questions to sharpen your Internet of things (IoT) knowledge and support exam preparation. Choose a topic below to get started.

1.

Which is the operation for mode 3?

A. 13-bit timer mode, 8-bit timer/counter THx and TLx as 5-bit prescalar
B. 16-bit timer mode, 16-bit timer/counter THx and TLx are cascaded, no prescalar
C. 8-bit auto reload mode, 8-bit auto reload time/counter; THx holds a value which is to be reloaded into TLx each time it overflows
D. Spilt timer mode
Answer» E.
2.

Number of pins in 8051 microcontroller with ________ package.

A. 40 pin with LLC
B. 60 Pin with QFP
C. 40 pin with DIP
D. 60 pin with QFP
Answer» D. 60 pin with QFP
3.

Reset work is __________

A. To make program counter zero but values in registers values are made as zero
B. Program counter is not zero but values in registers values are made asZero
C. Program counter not zero but values in registers values remain same
D. To make program counter zero but values in registers values remain same
Answer» E.
4.

What are the profiles for ARM architecture?

A. A,R
B. A,M
C. A,R,M
D. R,M
Answer» D. R,M
5.

ARM7DI operates in which mode?

A. Big Endian
B. Little Endian
C. Both big and little Endian
D. Neither big nor little Endian
Answer» D. Neither big nor little Endian
6.

ARM stands for _________

A. Advanced RISC Machine
B. Advanced RISC Methadology
C. Advanced Reduced Machine
D. Advanced Reduced Methadology
Answer» B. Advanced RISC Methadology
7.

What are the pipelining stages include?

A. Fetch, Decode, Write
B. Fetch, Decode, Execute
C. Fetch, Execute, Write
D. Fetch, Decode, Execute, Write
Answer» B. Fetch, Decode, Execute
8.

How many processors are used in the Instruction pipelining?

A. One
B. Two
C. Three
D. Four
Answer» B. Two
9.

Each peripheral has an interrupt line?

A. True
B. False
Answer» B. False
10.

What are the categories in the vectored interrupt controller?

A. Fast interrupt request
B. Non vectored interrupt request
C. Non-vectored IQR
D. Fast interrupt request, Non vectored interrupt request and Non-vectored IQR
Answer» E.
11.

What are the no of pins that are in the ARM7 processors?

A. 65 pin with QFP
B. 45 Pin with QFP
C. 45 pin with LLC
D. 65 pin with DIP
Answer» E.
12.

What is pin connect block?

A. All pins are having a function without reserved
B. Some pins are Reserved
C. Pins have more than one function
D. Multiplexing of some pins
Answer» D. Multiplexing of some pins
13.

What is the flash memory for LPC2141?

A. 34kB
B. 32kB
C. 128kB
D. 256kB
Answer» C. 128kB
14.

Using what the processor wake-up from power-down?

A. External Interrupts
B. Internal interrupts
C. Serial Programming
D. Program Counter
Answer» B. Internal interrupts
15.

Which signal is used for pipelining on bis cycle in ARM710T?

A. BWAIT
B. BTRAN
C. BLOK
D. BCLK
Answer» C. BLOK
16.

What is the size of ADC and DAC?

A. 16 bit
B. 10 bit
C. 8 bit
D. 32 bit
Answer» C. 8 bit
17.

What is pipe lining?

A. Non linear
B. Linear
C. Linear and Non linear
D. Sometimes both
Answer» C. Linear and Non linear
18.

The ARM7TDMI-S uses which pipelining?

A. 2-Stage
B. 3-Stage
C. 4-Stage
D. 5-Stage
Answer» C. 4-Stage
19.

How many DC-DC converters interfaces in ARM7100?

A. 5
B. 3
C. 4
D. 2
Answer» E.
20.

_______ pin can be used to extend memory access in whole cycle increments.

A. BTRAN
B. BLOK
C. BWAIT
D. BCLK
Answer» D. BCLK
21.

The ARM7TDMI-S processor has __________ types of memory cycle.

A. 5
B. 3
C. 4
D. 2
Answer» D. 2
22.

How many digital pins are there on the UNO board?

A. 14
B. 12
C. 16
D. 20
Answer» B. 12
23.

Arduino IDE consists of 2 functions. What are they?

A. Build() and loop()
B. Setup() and build()
C. Setup() and loop()
D. Loop() and build() and setup()
Answer» D. Loop() and build() and setup()
24.

A program written with the IDE for Arduino is called _________

A. IDE source
B. Sketch
C. Cryptography
D. Source code
Answer» C. Cryptography
25.

The use of Address Latch Enable is to multiplex address and data memory.

A. True
B. False
Answer» B. False
26.

What is order of the assembly and running 8051 program?i) Myfile.asmii) Myfile.lstiii) Myfile.objiv) Myfile.hex

A. i,ii,iii,iv
B. ii,iii,I,iv
C. iv,ii,I,iii
D. iii,ii,I,iv
Answer» B. ii,iii,I,iv
27.

Which pin provides a reset option in 8051?

A. Pin 1
B. Pin 8
C. Pin 11
D. Pin 9
Answer» E.
28.

External Access is used to permit ____________

A. Peripherals
B. Power supply
C. ALE
D. Memory interfacing
Answer» E.
29.

What is the speed of operation in Pi 3?

A. 900MHz
B. 1.2GHz
C. 1GHz
D. 500MHz
Answer» C. 1GHz
30.

What are the distributions are supported by raspberry Pi?

A. Arch Linux
B. Debain
C. Fedora Remix
D. Arch Linux, Debain, and Fedora Remix
Answer» E.
31.

What bit processor is used in Pi 3?

A. 64-bit
B. 32-bit
C. 128-bit
D. Both 64 and 32 bit
Answer» B. 32-bit