What is instruction register, Computer Engineering

Assignment Help:

Q. What is Instruction Register?

Instruction Register (IR): Here instructions are loaded before execution. Comments on figure above are as below:

All representations are in decimals. (In real machines the representations are in Binary).
Number of Memory Locations = 16
Size of every memory location = 16 bits = 2 Bytes (Compare with contemporary machines word size of 16, 32, 64 bits)
So size of this sample memory = 16 words (Compare it with actual memory) size that is 128 MB, 256 MB, 512 MB, or more).
In the diagram MAR is pointing to location 10.
Last operation carried out was 'read memory location 10' that is 65 in this. So the Contents of MBR is also 65.

Related Discussions:- What is instruction register

Define various classes of interrupts, Q. Define Various classes of Interrup...

Q. Define Various classes of Interrupts? Figure below gives list of some common interrupts and events which causes occurrence of those interrupts. Figure: Various clas

Arrays, how to calculate students''s averange test scores

how to calculate students''s averange test scores

Develop system flow charts - nasa near earth object, Background Information...

Background Information The National Aeronautics and Space Administration (NASA) is the agency within the United States Government responsible for US space exploration. Within th

Describe loading disk operating system, Q. Describe Loading Disk Operating ...

Q. Describe Loading Disk Operating System? Different version of DOS, such as 2.0, 3.0, 3.2, 4.0, 5.0, 6.0, 6.2, 6.22, 7.0, 7.2 are present. The newer versions have additional

How to manage the web based projects, How to manage the web based projects?...

How to manage the web based projects? Many project management applications contain additional functions useful in the management of group projects. These features may contain g

Enginering mechanics, if 2 forces are equal at an angle alpha between them...

if 2 forces are equal at an angle alpha between them - its resultant R and its direction

Components of a 3-tier client server, What are the essential components of ...

What are the essential components of a 3-tier client server In a three-tier or multi-tier environment, the client executes the presentation logic (the client). The business log

Determine the nand gate, Find out the two inputs when the NAND gate output ...

Find out the two inputs when the NAND gate output will be low. Ans. The output of NAND gate will be low if the two inputs are 11. The Truth Table of NAND gate is shown

What are the input devices, What are the Input devices Various devices ...

What are the Input devices Various devices are available for data input on graphics workstations. Most systems have a keyboard and one or more additional devices specially desi

Instruction pipeline, example of branching take place in instructon pipelin...

example of branching take place in instructon pipeline

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages