Daily Assessment Test - 1

Which of the following programming language requires the knowledge of the hardware and the instruction set of a microcontroller?

• Assembly Language Program
• Embedded C program
• Python programming
• Java programming

What is the size of the variable assigned as character data type?

• 8-bit
• 8-byte
• 16-bit
• 16-byte

The line of embedded C program which must be used to import the library function is _______.

• #include
• #define
• #import
• #insert

The line of embedded C program used to do iterative operation for "n" times which uses a character variable "i" is ____.

• for(i=0;i<n;i++)

  {

  operation to be performed

  }

• for(n=0;n<i;n++)

  {

  operation to be performed

  }

• for(i=0;i<n;i--)

  {

  operation to be performed

  }

• for(n=0;n<i;n--)

  {

  operation to be performed

  }

The line of embedded c program which must be used to assign a string variable "msg" as "Welcome" and to be stored in the code memory is ____.

• __code const char msg[ ] ="Welcome";
• __data const char msg[ ] = "Welcome";
• char msg[ ] = "Welcome";
• __code char msg ="Welcome";

Which of the following line of embedded C program must be used assign the variable "status" as a bit variable data type?

• __bit status;
• char status;
• int status;
• char *status;

A single line of embedded C code which can be used to complement a bit variable led is _____.

• led=!led;
• led!=led;
• led=~led;
• ~led=led;

The line of embedded C code which can be used to set the MSB bit & reset the LSB bit of an 8-bit port assigned with the macro named as "LED8" without altering the logic of other pins is _____.

• LED8=(LED8&0xFE)|(0x80);
• LED8=(LED8&0x7F)|(0x01);
• LED8=(LED8|0xFE)&(0x80);
• LED8=(LED8|0x7F)&(0x01);

How many port pins are required to interface a single common anode 7-segment LED to a microcontroller using parallel data transfer?

• 12 pins

• 8 pins

• 4 pins

• 2 pins

How many port pins are required to interface a 4 digit common cathode multiplexed 7-segment display to a microcontroller?

• 12 pins
• 10 pins
• 8 pins
• 4 pins