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I2C UART CAN bus

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

What does I2C stand for?

a)

inter-IC

b)

intra-IC

c)

individual integrated chip

d)

intel-IC

2.

Which company developed I2C?

a)

Intel

b)

Motorola

c)

Phillips

d)

IBM

3.

Which are the two lines used in the I2C?

a)

SDA and SPDR

b)

SPDR and SCL

c)

SDA and SCL

d)

SCL and status line

4.

Which pin provides the reference clock for the transfer of data?

a)

SDA

b)

SCL

c)

SPDR

d)

INTERRUPT

5.

Which of the following are the three hardware signals?

a)

START, STOP, ACKNOWLEDGE

b)

STOP, TERMINATE, END

c)

START, SCL, SDA

d)

STOP, SCL, SDA

6.

Which of the following performs the START signal in I2C?

a)

Master

b)

Slave

c)

CPU

d)

Memory

7.

Which of the following are handshake signals?

a)

START

b)

STOP

c)

ACKNOWLEDGE

d)

START and STOP

8.

Which of the following byte performs the slave selection in I2C?

a)

terminal byte

b)

first byte

c)

second byte

d)

eighth byte

9.

Start bit of UART is logic high.

a)

True

b)

False

10.

1. Identify the communication bus used in figure .

a)

UART

b)

I2C

c)

SPC

d)

CAN

11.

1. In a computer, set of electrical paths which is used to transfer data is called

a)

Bus

b)

Monitor

c)

Clock

d)

ports

12.

Protocol is a set of

a)

Formats

b)

Procedures

c)

Formats & Procedures

d)

None of the mentioned

13.

The time required to transmit frame depends on

a)

Frame size

b)

Channel capacity

c)

Frame size & Channel capacity

d)

None of the mentioned

14.

CAN stands for

a)

Control area network

b)

Controller area network

c)

Controller address network

d)

Control address network

15.

Which of the following is an incorporated function to resolve inter processor communication problems?

a)

bus allotment and control

b)

bus arbitration

c)

priority resolving

d)

all of the mentioned

16.

The serial communication is

a)

cheaper communication

b)

requires less number of conductors

c)

slow process of communication

d)

all of the mentioned

17.

The number of bits transmitted or received per second is defined as

a)

transmission rate

b)

reception rate

c)

transceiver rate

d)

baud rate

18.

The task of converting the byte into serial form and transmitting it bit by bit along with start, stop and parity bits is carried out by

a)

reception unit

b)

serial communication unit

c)

transmission unit

d)

all of the mentioned

19.

In ____________transmission of data, a group of n bits are sent simultaneously.

a)

serial

b)

parallel

c)

Synchronous

d)

Asynchronous

20.

Serial transmission can be ________.

a)

Asynchronous

b)

parallel

c)

Synchronous

d)

both a & c

21.

______________ transmission features start bit,stop bits and gap between data units.

a)

virtual

b)

parallel

c)

Synchronous

d)

Asynchronous

22.

Serial Transmission without start bit, stop bits or gap between data units is called ________transmission.

a)

virtual

b)

parallel

c)

Synchronous

d)

Asynchronous

23.

What is the main difference between synchronous and asynchronous transmission?

a)

band width required is different.

b)

pulse height is different.

c)

clocking is derived from the data in synchronous transmission.

d)

clocking is mixed with data in asynchronous transmission

24.

What does UART contain?

a)

Parallel register

b)

Shift register

c)

clock

d)

Parallel Shift register

25.

Type of computer data transmission which uses a clock to control timing of bit being sent is

a)

serial

b)

parallel

c)

Synchronous

d)

Asynchronous