Types of programming languages - paper 1

Question 1

What are the two types of programming paradigms?

Answer 1

Imperative and declerative

Question 2

What is imperative programming?

Answer 2

Uses code that clearly specifies the actions to be performed e.g procedural and OOP

Question 3

What is declarative programming?

Answer 3

States the desired result rather than the exact instructions required to be performed to get there.

Question 4

How do you add in LMC?

Answer 4

ADD

Question 5

How do you subtract in LMC?

Answer 5

SUB

Question 6

How do you store a value from the accumulator to a memory location in LMC?

Answer 6

STA

Question 7

How do you load a value from a memory location to the accumulator in LMC?

Answer 7

LDA

Question 8

How do you get a user to input a number in LMC?

Answer 8

INP

Question 9

How do you print a value that is in the accumulator in LMC?

Answer 9

OUT

Question 10

How do you stop a set of code from running in LMC?

Answer 10

HLT

Question 11

How do you create a flag with a label at which data is stored?

Answer 11

DAT

Question 12

How do you branch if the value in the accumulator is zero in LMC?

Answer 12

BRZ

Question 13

How do you branch if the value in the accumulator is positive in LMC?

Answer 13

BRP

Question 14

How do you branch no matter what in LMC?

Answer 14

BRA

Question 15

What are the advantages of OOP?

Answer 15

A high level of reusability
Inheritance and polymorphism can be used
Encapsulation can be used to protect attributes
Modular structure so easy to maintain and update
High level of abstraction that is not necessary for programmers to know how to use.

Question 16

What are the disadvantages of OOP?

Answer 16

Requires an alternative style of thinking
Not suited to all problems - where stuff does not need to be reused it is inefficient
Generally not suitable for small problems