Differentiate between sequential access and direct access, Computer Engineering

Assignment Help:

Question:

(a) Briefly explain how the functionality of the WWW has been enhanced, after its birth at CERN site. Use examples to illustrate your answer.

(b) Many modern computers are being sold without floppy disk drives. State two reasons why floppy disk drives are no longer considered
necessary.

(c) Differentiate between sequential access and direct access when referring to a secondary storage device. Give one example of each.

(d) Briefly describe the four factors that affect the performance of a monitor.

(e) Computer security is often divided into three distinct master categories (controls): physical, technical and administrative. Explain what you understand by these different controls, giving examples to support your answer.


Related Discussions:- Differentiate between sequential access and direct access

Why floating point numbe process than integer, Why floating point number mo...

Why floating point number more difficult to represent and process than integer? In floating point numbers we have to show any number in three fields sign, exponent and mantissa

Line of code of assembly language, In how many ways line of code of assembl...

In how many ways line of code of assembly language can be divided? A line of code of an assembly language program can be divided in three columns called as fields. The fields d

What is "at exit-command", What is "at exit-command:? The flow logic K...

What is "at exit-command:? The flow logic Keyword at EXIT-COMMAND is a special addition to the MODULE statement in the Flow Logic .AT EXIT-COMMAND lets you call a module befor

How to use http and world wide web, Q. How to use Http and World Wide Web? ...

Q. How to use Http and World Wide Web? Http and World Wide Web One of the most frequently used services on the Internet is the World Wide Web (WWW). The application proto

Enumerate data structures used during 1-pass of assembler, Enumerate the da...

Enumerate the data structures used during the first pass of the assembler. Indicate the fields of these data structures and their purpose/usage. Three main data structures used

What are semaphores, What are semaphores? Semaphore : A semaphore is a...

What are semaphores? Semaphore : A semaphore is a synchronization tool which gives a general-purpose solution to controlling access to critical sections. It s an abstract data

What is cursor, The illustration of the mouse on-screen. Depending on your ...

The illustration of the mouse on-screen. Depending on your settings, the cursor can be many dissimilar things.

Explain parsing, What is parsing? The target of parsing is to find out...

What is parsing? The target of parsing is to find out the syntactic validity of a source string. A tree is built for use through subsequent phase of compiler, if the string is

What will exactly the hide statement do, What will exactly the hide stateme...

What will exactly the hide statement do? For displaying the details on secondary lists needs that you have previously stored the contents of the selected line from within the

Illustrate working of pocket and pc-card modems, Q. Illustrate working of P...

Q. Illustrate working of Pocket and PC-Card Modems? Pocket Modems: Small external Modems used with notebook PCs.  PC-Card Modems:  PC and Modems are read with PCMCIA slots w

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