Digital Devices Chapter 2 Summary

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What is the function of registers in a digital system?

Generate clock pulses

Convert serial data to parallel data

Store data and process results (correct)

Perform logical operations

How many flip-flops are typically found in 16-bit registers?

Four

Sixteen (correct)

Two

Eight

What is the purpose of a shift register in computer applications?

Allow serial data entry and shifting (correct)

Handle clock pulses efficiently

Perform arithmetic operations

Convert binary data to decimal data

In a shift register, at which edge of the clock pulse does Q follow J?

Trailing-edge Signup and view all the answers

How are flip-flops cleared in a digital system?

By applying a low PR signal Signup and view all the answers

What happens during the upward transition of a clock pulse in a parallel-to-serial converter?

Data is loaded to the parallel inputs Signup and view all the answers

What is the main function of an encoder in a digital device operation?

Translating the language of people to the language of the machine Signup and view all the answers

In BCD (8421) code conversion, what does '8421' represent?

The weightage of each bit in the binary code Signup and view all the answers

What is the primary function of a decoder in a digital device operation?

Decoding the languages of the machine to the language of the people Signup and view all the answers

What happens to bubbles at the outputs of a digital device when they are activated?

They go LOW Signup and view all the answers

What is a common feature of inputs not connected in digital devices?

They are floating and remain HIGH Signup and view all the answers

What is the purpose of having inverters in a digital device circuit?

To invert output back to its usual form Signup and view all the answers

What type of memory is organized into words and accessed in any order?

RAM Signup and view all the answers

What is the binary language used for in digital devices?

Machine communication Signup and view all the answers

What is the purpose of code conversion in digital devices?

Convert from human language to machine language Signup and view all the answers

How many memory cells are present in a 1024 bit (1K) RAM?

1024 Signup and view all the answers

What is the function of an OR gate in a digital device?

Combines multiple input signals Signup and view all the answers

How is addressing performed in a large memory with each cell accessed by X Û Y addressing?

Using row-select and column-select lines Signup and view all the answers