List of top Questions asked in AP ECET ECE- 2025

Which of the following is operating system?
Bluetooth is an example of
MAC Address is the example of
How many layers does OSI Reference Model have?
What does Router do in a network?
A memory map to lowest address of 8k by 8 RAM is 1000H. What is highest address?
How many bits are there in the Ethernet address?
Which of the following memory units needs periodic refreshing?
What is a Firewall in Computer Network?
How are the bits of the register PSW affected if we select Bank-2 of 8051?
The instructions that involve various string manipulation operations are
Which instruction of the following makes the execution back to the invoking program?
How many bytes of bit addressable memory is present in 8051 microcontroller?
On power up, the 8051 uses which RAM locations for register R0–R7?
A microcontroller differs from a microprocessor in that it has
Which of the following methods is used for CPU to perform I/O operation?
What is the state of carry, auxiliary carry and parity flags after execution of following instructions: MOV A, #3F
ADD A, #BE
The program counter in a computer is a special purpose register which contains
One megabyte is equivalent to
8051 series has how many 16-bit registers?
Which element of JK flip-flop operates in toggle mode when clock pulse is applied?
A 10-bit ADC has a range of \(0\text{–}5V\), the resolution of the ADC is approximately
Minimum number of comparators needed to handle a 64 channel A/D converter is
The figure of merit of a logic family is given by
For emitter coupled logic the switching speed is very high because