Describe memory and memory unit, Computer Engineering

Assignment Help:

Q. Describe Memory and Memory unit?

Input devices can fetch instructions or data only sequentially though a program may or may not be executed sequentially because looping, jump, decision-making instructions are frequently encountered in programming. As well more than one data element may be needed at a time. Hence a temporary storage area is required in a computer to store temporarily the instructions as well as the data. This element is termed as memory.

Memory unit stores all information in a group of memory cells like a group of 8 binary digits (which is a byte) or 16 bits or 32 bits and so on. These groups of memory cells or bits are known as memory locations. Every memory location has a unique address and can be addressed individually. Contents of desired memory locations are supplied to CPU by referring to address of memory location. Amount of information which can be held in main memory is termed as memory capacity. Capacity of main memory is measured in Mega Bytes (MB) or Giga Bytes (GB). One-kilo byte denotes 210 bytes that are 1024 bytes (or just about 1000 bytes). A Mega byte denotes 220 bytes that is near about a little over one million bytes and a giga byte is 230 bytes.


Related Discussions:- Describe memory and memory unit

Electrical technology, voltage,current and power relation in a delta connec...

voltage,current and power relation in a delta connection

Structural classification-flynns classification , Structural Classification...

Structural Classification Flynn's classification examine the behavioural concept and does not receive into consideration the computer's structure. Parallel computers can be cla

What is time out mechanism, What is time out mechanism. If one unit is ...

What is time out mechanism. If one unit is faulty the data transfer will not be done. Such an error can be detected using time out mechanism which makes an alarm if the data tr

Shell script, shell script to find whether the given number is Armstrong or...

shell script to find whether the given number is Armstrong or not

Explain busy waiting semaphores, Explain busy waiting semaphores. Weak,...

Explain busy waiting semaphores. Weak, Busy-wait Semaphores: The simplest method to implement semaphores. Useful while critical sections last for a short time, or we

What do you mean by work flow automation, What do you mean by work flow aut...

What do you mean by work flow automation? Work Flow Automation: Organizations frequently standardize processes across the association and encourage users to accept them. E

Command line argument value, Make a console application to show different m...

Make a console application to show different messages depending on the command line argument value. Use Select-case statements.(same to switch block)

Discuss the advantages of expression tree, Discuss its advantages over the ...

Discuss its advantages over the other evaluation techniques. The expression tree is determined by using a post-order traversal of the expression tree as given here: 1. If such

Calculate the switching elements in a two stage network, In a two stage ne...

In a two stage network there are 512 inlets and outlets, r=s=24. If the probability that a given inlet is active is 0.8, calculate: the switching elements Given: N =M =512,

What are handshaking signals, a. Explain the hardware mechanism for handlin...

a. Explain the hardware mechanism for handling multiple interrupt requests. b. What are handshaking signals? Describe the handshake control of data transfer during input and out

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd