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A Few Questions On C
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Hi,
I'm revising for an exam comming up in C Programming. Can anyone help by answering some typical questions which might come up in the examination. Any help would be appreciated.
Basic data types
Maths operations
Strings and arrays
Structures and unions
Files
I'm revising for an exam comming up in C Programming. Can anyone help by answering some typical questions which might come up in the examination. Any help would be appreciated.
Basic data types
- What are the different types of data?
- What are signed and non-signed data types?
- What is a float used for?
- Why have a double?
Maths operations
- If you have an integer, how can you copy this value into a float?
- What is the size of a double?
- What is the logic for finding out if a number is a multiple of 4?
- How can you use if statements to determine more than one feature?
- How long is a piece of string?
Strings and arrays
- What happens when you use scanf to enter a string with spaces present?
- What happens when you use getchar to enter a string with spaces present?
- How can you extract a string from another string?
- How can you create an array of floating point numbers?
Structures and unions
- How do you access the elements of a structure?
- How can you set values to a specific part of the data structure?
- Why use structures?
- Where would you use a union?
Files
- How do you open a file for reading?
- How do you open a file for writing?
- How do you open a file where you can append to the end?
- How can you read data from a file?
- How do you write data to a file?
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Join Date: Apr 2006
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How about I give you a few links instead of answering all your questions?Well... there's a lot of information there, so I hope that you don't get too freaked out at all of that. Take what you need, leave the rest. And if you need help on a specific problem or question, feel free to ask it and we'll help you as best we can.
Hope this helps
Hope this helps
"Technological progress is like an axe in the hands of a pathological criminal."
All my posts may be freely redistributed under the terms of the MIT license.
All my posts may be freely redistributed under the terms of the MIT license.
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>>What is the size of a double?
depends on operating system and possibly the compiler. But you can use sizeof(double) to get its size.
>>How long is a piece of string?
depends on where you cut it with your scissors. (sorry for the bad joke, I just couldn't resistet temptation :eek: )
depends on operating system and possibly the compiler. But you can use sizeof(double) to get its size.
>>How long is a piece of string?
depends on where you cut it with your scissors. (sorry for the bad joke, I just couldn't resistet temptation :eek: )
The most important thing in the Olympic Games is not to win but to take part, just as the most important thing in life is not the triumph but the struggle. The essential thing is not to have conquered but to have fought well.
-Pierre de Coubertin, The Olympic Creed Inspired by Bishop Ethelbert
-Pierre de Coubertin, The Olympic Creed Inspired by Bishop Ethelbert
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Originally Posted by adam37 
Hi,
I'm revising for an exam comming up in C Programming. Can anyone help by answering some typical questions which might come up in the examination. Any help would be appreciated.
Basic data types
- What are the different types of data?
- What are signed and non-signed data types?
- What is a float used for?
- Why have a double?
Maths operations
- If you have an integer, how can you copy this value into a float?
- What is the size of a double?
- What is the logic for finding out if a number is a multiple of 4?
- How can you use if statements to determine more than one feature?
- How long is a piece of string?
Strings and arrays
- What happens when you use scanf to enter a string with spaces present?
- What happens when you use getchar to enter a string with spaces present?
- How can you extract a string from another string?
- How can you create an array of floating point numbers?
Structures and unions
- How do you access the elements of a structure?
- How can you set values to a specific part of the data structure?
- Why use structures?
- Where would you use a union?
Files
- How do you open a file for reading?
- How do you open a file for writing?
- How do you open a file where you can append to the end?
- How can you read data from a file?
- How do you write data to a file?
http://www.c-faq.com/
if you're revising for an exam and still don't know those things you might as well cancel the exam and actually visit your classes the next time the course is taught because you're all but certain to fail (miracles do happen, but don't count on them).
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Originally Posted by Ancient Dragon
>>How long is a piece of string?
depends on where you cut it with your scissors. (sorry for the bad joke, I just couldn't resistet temptation :eek: )
¿umop apisdn upside down? is it? I doubt you can say that without giving an appropriate margin for error.
For example if you take that piece of string and cut it in half you're actually removing some molecules which should make it shorter. But the change in bonding might make it longer.
For example if you take that piece of string and cut it in half you're actually removing some molecules which should make it shorter. But the change in bonding might make it longer.
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Originally Posted by Ancient Dragon
>>How long is a piece of string?
depends on where you cut it with your scissors. (sorry for the bad joke, I just couldn't resistet temptation :eek: )
••••Originally Posted by BenchIts twice as long as half its length, of course
The 3 Laws of the Procrastination Society:
1) Never do today that which can be put off until tomorrow
2) Tomorrow never comes
1) Never do today that which can be put off until tomorrow
2) Tomorrow never comes
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Originally Posted by WaltP
If you cut off both ends, the string is endless. So there! :p
The most important thing in the Olympic Games is not to win but to take part, just as the most important thing in life is not the triumph but the struggle. The essential thing is not to have conquered but to have fought well.
-Pierre de Coubertin, The Olympic Creed Inspired by Bishop Ethelbert
-Pierre de Coubertin, The Olympic Creed Inspired by Bishop Ethelbert
It would be understandable if you left most of those out and were unsure about some and asked for help, but even though I'm no expert, the majority of those questions are pretty basic. It shows you have not even tried, so you can't expect people to answer those for you.
If you are getting a test on C programming, you should have at least access to those answers even if you don't know them.
If you are getting a test on C programming, you should have at least access to those answers even if you don't know them.
Last edited by Colin Mac; Dec 22nd, 2006 at 4:04 pm.
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