Digital Circuit and Microprocessor MCQs
Practice free Digital Circuit and Microprocessor multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 363 questions — no login required.
Question 235easy
In 8156, the lower time byte is addressed with 24 H, and the upper times byte with
Question 236easy
In 8355, the ROM is organized as words of 8 bits each
Question 237easy
Status register in the 8156 contains information about
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Question 238easy
A program segment is given below :1.MVI A, 2 BH,2.OUT 24 H,3.MV! A, 86 H,4.OUT 25 H (I)What is the terminal count in decimal form?
Question 239easy
What kind of signal does the times produce?
Question 240easy
An 8156 has A15 connected to its CE input. A14 to Ag are unconnected, and AD7 to AD0 are connected. Ignoring shadows, what are the RAM locations?
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Question 241easy
If all bubbles are removed, what are the new RAM locations
Question 242easy
What is the percent resolution of a 12 bit BCD D/A converter?
Question 243easy
What is the least change in output voltage of 12 bit binary D/A converter using 12 V reference supply voltage.