education impression

Advantages and Disadvantages of Punched Card Points : Advantages and Disadvantages of Punched Card Advantages 1. Punched cards are fairly inexpensive. 2. Data entry using Hollerith card is relatively fast, modern card readers can easily read 600 card per minute. 3. Punched cards may be stored and reared if the need arise. 4. Errors found in cards cannot be corrected, but the card containing the error can be replaced without affecting the rest of the deck. Disadvantages 1. Punched cards are large in comparison to the amount of data they can contain storage requires a great deal of space. 2. The system still involves a form of keyboard entry; the key punch machine is merely a method of converting Key presses to holes punched in the card. 3. If the order in which the cards are to be read is important, very careful attention must be find for maintaining that order, since the deck of the cards can easily become shuffled out of order. If the order is critical a sequence number may be pla

Distinguish between the following a. Computer and Calculator b. Microprocessor and Micro Computer c. Second Generation and Third Generation of computer Points : difference between computer and calculator, difference between microprocessor and micro computer, difference between second generation and third generation of computer Difference between Computer and Calculator Computer Calculator 1. Computer can accept and operate alphabetic data. Calculator can not accept alphabetic data. 2. Computer has large memory for storing programs and data. Calculator has small memory. 3. Computer has internal storage. It has very small internal storages as compared to computer. 4. It has predefined instruction called Programmed. It his not predefined instruction like a programmed. 5. It performs numeric, arithmetic and logical operations. It performs only numeric and arithmetic calculation. Difference between Microprocessor and Micro Computer Microprocessor Micro Computer 1. A central processing un

Characteristics Four Generations of Computer Points : explain what electronic technology characteristics each of the four generations of computer contained Vacuum Tubes: (1st Generation of Computer) Vacuum tubes are used as internal component in first generation. Lot of heat d by vacuum tubes. Size of computer was very larger. Solid State Circuit: (2nd Generation of Computer) Solid state circuit (transistor) was used as internal (transistor) component of computer in second generation. Size of computer becomes small, due to transistors main memory was increased. Integrated Circuit: (3rd Generation of Computer) Integrated circuit was Introduced in third generation. An integrated circuit s many electronic components on a single chip. High level language was used. Large Scale Integrated Circuits: (4th Generation of Computer) Very large scale integrated circuit and micro processors were used as internal computer components in the fourth generation.

Idioms and Phrases beginning with 'H' Idioms and Phrases With Urdu Meaning A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 1 HABIT Habit of mind ذہنی اختراع Something or the other is always a habit of mind in every human being. To get into a habit عادی ہو جانا His hobby of drinking has resulted in getting into a habit. 2 HAIL Within hail اتنا نزدیک کہ جسے بلایا جا سکے He is standing within a hail distance. 3 HAIR Lose one’s hair ناراض ہوجانا If someone cracks a joke, don’t lose your hair. Make one’s hair stand on end بہت حیرانگی یا ڈر ظاہر کرنا The murder of his lieutenant made his hair stand on end. Not to turn a hair پریشان نہ ہونا He did not turn a hair when his friend died. Put up the halt بال بنانا Maidens p1st up their hair. To a hair بال بال بچنا He resembled his father to a hair. To the turn of a hair She copied her exercised to the turn of a hair. To get a person by the short hair کسی پر پورا کنٹرول ہونا Parents should get children by the short hair. 4 HALF Half-an

Idioms and Phrases beginning with 'G' Idioms and Phrases With Urdu Meaning A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 1 GAIN Gain ground ترقی کرنا Fashions are gaining ground in society. To gain one’s دلائل سے مخالف کو شکست دینا It is very difficult to gain his sister’s point. 2 GAITER Ready to the last gaiter button مکمل تیار Are you ready in the last gaiter button for today’s performance. 3 GALANTY Galanty show پتلیوں کا سایہ Life is nothing but a galanty show. 4 GALL Gall and wormwood مکمل طور پر غیر متفق کرنا Would you please stop your gall and wormwood talk. 5 GALLOP To gallop through بہت جلد ترقی کرنا You cannot get good marks just by galloping through books. 6 GAME Die game آخر تک ہمت قائم رکھنا Good sportsmen always die game. Make game of کھیل تماشا بنانا Don’t make game of great spiritual ideals. The game is up سکیم فیل ہوگئی When the police came, the bank breaker found that the game was up. 7 GANG To gang up شامل ہونا The inspector ordered the police to gang

Define and Differentiate between Compiler and Interpreter Points : define and differentiate between compiler and interpreter Compiler Compiler is a translator, which converts high level “Source” program into low level “Object” program. It translates the whole programs at once and gives an error list to be removed. It can not execute the object program. Interpreter Interpreter is a translator program which converts “Source program” into object program. It translates one instruction at a time. Difference between Compiler and Interpreter Compiler Interpreter 1. It translates the whole program at once and give an errors list to be removed. An interpreter is a program that translates a high level programming language into machine language during the actual step by step execution of program. 2. Compilation is not necessary for repeated execution of a program. In case of interpreter whenever an instructions is used, it must once again be interpreted and translated into machine language.

C-Language Is So Much Popular Among The User Points : c-language is so much popular among the user, why c-language is so much popular among the user C-Language Is So Much Popular Among The User C language is relatively simple and orderly therefore C-compilers can be made to run on small computers. C is a flexible, high level programming language. C includes certain low level features that are normally available only in assembly or machine language. Programs written in C compile into small object programmers that execute efficiently. C is widely available, Commercial C compilers are available for most personal computers, minicomputers and main frames. C is largely machine - independent, programs written in C are easily ported from one computer to another.

Idioms and Phrases beginning with 'F' Idioms and Phrases With Urdu Meaning A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 1 FACE Face the music نا خوشگوار کو قبول The smugglers must be put before law to face to music. Face to face آمنے سامنے The two enemies met face to face in the battle field. Face value قیمت The face value of this coin is one rupee. I have two faces دوغلا چہرہ ہونا Every politician has at least two faces. Lose face غیرت کھونا Many ministers have lost faces. Pull a long face اداس دکھائی دینا When a politician loses elections, he puts a long face. Save one’s self زلت سے بچنا You must pay something to the creditors to save your face. Show one’s face ظاہر ہونا I will show my face at your marriage, even though I am seriously Ill. To one’s face اس کی موجودگی میں Nobody dare criticize a minster of millionaire to his face. To look in the face بہادر ہونا To look in the face of one's enemy is a reflection of boldness. To make faces منہ بنانا Do not make faces