Explore topic-wise MCQs in Digital Electronics.

This section includes 104 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Electronics knowledge and support exam preparation. Choose a topic below to get started.

101.

Which method bypasses the CPU for certain types of data transfer?

A. Software interrupts
B. Interrupt-driven I/O
C. Polled I/O
D. Direct memory access (DMA)
Answer» E.
Discussion
102.

The AND, OR, and TEST instructions are all part of which type of instruction?

A. Data transfer
B. Arithmetic
C. Bit manipulation
D. Loops and jumps
Answer» D. Loops and jumps
Discussion
103.

During a read operation the CPU fetches ________.

A. a program instruction
B. another address
C. data itself
D. all of the above
Answer» E.
Discussion
104.

Which of the following is not a basic element within the microprocessor?

A. Microcontroller
B. Arithmetic logic unit (ALU)
C. Register array
D. Control unit
Answer» B. Arithmetic logic unit (ALU)
Discussion