Question

4.

An identifier name in a program may represent

Group of answer choices

a location

a specific machine memory address

a value

all of the above

none of the above

In order for a language to support unbounded length character strings, it must have:

Group of answer choices

static storage allocation

dynamic storage allocation

static type checking

dynamic type checking

Suppose that the vehicle registration department for the State of Florida is becoming decentralized. Each county will now handle its own registration process and will issue its own license plates. However, there needs to be some centralized checking so that counties do not duplicate plate design, etc. Counties also need to notify each other if an address listed for a registration is not within their county.

The county systems must also interface with State systems for tax and other purposes. So, while the system will be mostly decentralized, there will still exist a need for centralized data access.

A consulting firm was hired to develop this system and they have narrowed the choice of programming language to Java and C#.

What do you think about their choice of programming languages?
How would you evaluate their choice of these programming languages?

Answer 1

1. An identifier name in a program may represent:

Ans: all of the above.

Explanation:

i) a location

for eg - String name = "java"; // here the variable/identifier "name" represents the location, where the word "java" is stored.

ii) a specific machine memory address

in backend, the complier uses the specific memory address to store the value of the identifier. This identifier "name" is pointed to a specific memory address, where the value of that particular identifier is stored.

iii) a value

for eg: int age = 10;

here the age(identifier) will always represent the value 10 which is already assigned to it. If try to print age, the value of the variable "age" will be printed.

--> So the answer is "all the above".

2. In order for a language to support unbounded length character strings, it must have:

Ans: dynamic storage allocation

Explanation:

We have three different types of string handling:

i) fixed-length string handling

ii) bounded-length string handling

iii) unbounded-length string handling

Unbounded-length can hold string of any length. So for holding any length, we should have more flexibility to add/delete items frequently. So for this purpose, at backend it uses, dynamic memory allocation. So it can add/remove elements dynamically. And it provides lower efficiency but maximum flexibility. So for this reason, we use dynamic storage allocation.

3. What do you think about their choice of programming languages? How would you evaluate their choice of these programming languages?

Ans:

• They have choosen java or c# and their choice of programming language was very calculated and intelligent.
• Because for these type of scenario's, mostly the "OOP" supported language will be the optimized and great solution.
• And evaluation is based on the below things:
  • "Java" and "C#" is best for large scale applications. And with help of java we can create applications for website(backend) and also we can create android mobile applications.
  • Then with help of "C#", we can create website's and desktop applications.
  • And these are static-typed programming language, so it is fast enough and have more security.