Embedded Systems Test
A watchdog timer circuit is basically a____________________.
After reset in 8051, the ports P0-P3 are initialised to __________________.
ARM3 was produced with __________.
At which ROM location do we store the first Op-code of an 8051 program?
For serial mode 2, SM0 and SM1 bits of the SCON (serial control) register must be ____________.
How many bytes are used by DATA_2 DB"ENGLAND"?
How many times is the following loop performed? MOV R6, #200 BACK: MOV R5, #100 HERE: DJNZ R5, HERE DJNZ R6, BACK
How much delay would be there in the following program if the crystal frequency is 11.0592 MHz? Machine Cycles DELAY:MOV R3,#200 1 HERE:DJNZ R3,HERE 2 RET1
How would -34H be represented as a signed number in 2s complement in 8051?
If the conditions are: PA= output with handshaking PB=output with handshaking, unused bit of PC=don't care What would be the control word for 8255 PPI?
In 8051, the mode 2 timer is ____________.
In 8051,the upper limit of the Timer is__________.
In the ATMEL corporation's microcontroller AT89C51, 'C' in the part number indicates__________.
In the Dallas microcontroller DS5000T-8 ,"T" indicates__________.
Microcontrollers are generally designed by using the__________.
On which architecture is the Intel 8051 Micro Controller based?
The ARM architecture is a ___________.
The Atmega 16 micro controller is a __________.
The bit addressable memory is present in ____________.
The DS5000 microcontroller is called a home development system because it has a___________.
The Field programmable Gate Arrays (FPGAs) can be used to implement ______________.
The flash memory stores information in an array of __________________.
The Instruction set of the PIC I6CXX micro controller family has __________.
The JTAG (Joint Test Action Group)is the usual name used for _________________.
The LJMP (long jump) instruction is a ____________________.
The major difference between Intel 8051 microcontroller and Intel 8031 microcontroller is that the 8031_________.
The PIC 16F84 micro controller is __________.
The program counter of the PIC16F84 micro controller is of__________.
The speed of the semiconductor memory is in the range of ___________.
The status of the OV flag for (-2) + (-5) will be_____________.
What does the term "third-party support" mean?
What exactly is Moore's Law about?
What frequency is used by the timer to set the baud rate, if XTAL=11.0592MHz?
What number should be loaded into the TH register using mode 2 to get 100μsec delay? (Assume XTAL=11.0592MHz)
What value must R4 have in the following instruction in order not to jump CJNE R4, #53, OVER?
What value should be loaded into THI to have a 9600 baud rate, if XTAL=11.0952MHz?
What would be in register A after the execution of the following code? MOV A, #85H SWAP A ANL A, #OFOH
What would be the baud rate for the following, if XTAL=16MHz and SMOD =0? MOV THI, #-10
What would be the baud rate if TH1= -2, SMOD = 1and XTAL=11.0592MHz in 8051?
What would be the contents of register A after the execution of the following code? CLR A ORL A, #99H CPL A
What would be the contents of register A after the following code is executed? MOV A,#56H SWAP A RR A RR A
What would be the control word for 8255 PPI if all ports are input ports?
What would be the status of CY and AC flags after the addition of 76 H and 8CH in the following instructions? MOV A,#76H ADD A,#8CH
When 67H in BCD is converted to ASCII, it becomes___________________.
When 8051 is powered up, the SP register contains the value of ____________.
When is the TFO flag raised for the following program?(Assume XTAL=11.0592 MHz) MOV TMOD,#01 MOV TLO,#12H MOV THO,#1CH SETB TRO
When is the TFI flag raised in Mode 1?
Which addressing mode is used by the instruction "Mov A,30 H"?
Which bit of the IP register belongs to the serial Interrupt Priority in 8051?
Which bits of the PSW register are User-definable in 8051?
Which devices are used in Embedded Systems?
Which instruction is used to correct the BCD addition problem in 8051?
Which interrupt will get the highest priority after resetting the system if the interrupt priority is set by the instruction "MOV IP, OCH"?
Which micro controller must be selected for a faster response?
Which mode and which timer are selected for the following instructions? MOV TMOD, #20H
Which of the following cannot be a sequence in the normal 4-step sequence for a Stepper Motor?
Which of the following companies has designed the AVRs micro controllers?
Which of the following has the SMOD bit?
Which of the following is not a special function register (SFR) in 8051?
Which of the following is not correct?
Which of the following micro controllers has a watchdog timer (WDT)?
Which of the following signs is used with the Register Indirect Addressing Mode?
Which one of the following files is produced by an 8051 assembler?
Which one of the following is not correct?
Which RAM location is used as the first location of the stack on power-up in 8051?
Which register bank conflicts with stack in 8051?
Which register bank will be selected if bits 3 and 4 of PSW are 1 & 0 in 8051?
Which timer of 8051 is used to set the baud rate?
Which version of 8051 is the 8751 microcontroller?
With which memory are RAS and CAS associated?