Computers Questions and Answers
Digital Electronics aptitude questions and answers are an essential part of computer and electronics engineering preparation. These questions test a candidate’s understanding of number systems, logic gates, Boolean algebra, and circuit design — all key concepts for campus placements and competitive exams. Practicing aptitude questions with solutions PDF helps strengthen problem-solving ability in topics like combinational and sequential circuits. Whether you’re preparing for Infosys, Wipro, TCS, or GATE, mastering digital electronics questions with answers ensures better accuracy and confidence. This section provides well-explained aptitude test practice questions designed to improve your technical reasoning and analytical thinking.
Computers
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35 questions
22. A port can be ________.
- strictly for input
- strictly for output
- bidirectional
- all of the above
23. Which of the following is not a computer functional block?
- Analog-to-digital converter
- Central-processing unit
- Memory
- Input/output ports
24. The Pentium microprocessor has a data bus of ________.
- 16 bits
- 32 bits
- 64 bits
- 128 bits
25. The process of jointly establishing communication is called ________.
- DMA
- bidirectional addressing
- multiplexing
- handshaking
26. A mnemonic is an English-like instruction that is converted by an assembler into a machine code for use by a processor.
- TRUE
- FALSE
30. A coprocessor is a microprocessor designed with a limited instruction set optimized to perform arithmetic operations very quickly.
- TRUE
- FALSE