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Worksheets1.2.2. Applications Software
Total questions: 14
Worksheet time: 7mins
Name
Class
Date
1.
What is the difference between applications and systems software?
a)
Applications software is utilised directly by the end-user whereas systems software ensures the high performance of the computer.
b)
Systems software is utilised directly by the end-user whereas application software ensures the high performance of the computer.
2.
Give 3 examples of utilities
a)
Compression
b)
Disk defragmentation
c)
Antivirus
d)
Word Processor
e)
Presentation Software
3.
Give advantages of using closed source code
a)
Thorough, regular and well-tested updates
b)
Expert support and user manuals from company
c)
High levels of security as it is developed in a professional, controlled environment
d)
Distributed with the source code
e)
Can be modified and sold on
4.
State features of open source code
a)
Does not require a license to be used
b)
Distributed with the source code
c)
Can be modified and sold on
d)
Thorough, regular and well-tested updates
e)
High levels of security as it is developed in a professional, controlled environment
5.
Give two advantages of using compiled code over interpreted code
a)
Faster to execute
b)
Does not require compiler to run
c)
Is platform independent
d)
Runs instantly without time waiting for compilation
6.
Identify advantages of using interpreted code over compiled code
a)
Is platform independent
b)
Runs instantly without time waiting for compilation
c)
Faster to execute
d)
Does not require compiler to run
7.
What is assembly language?
a)
A low-level language that has almost a one-to-one relationship with machine code. It is platform specific.
b)
a computer programming language consisting of binary or hexadecimal instructions which a computer can respond to directly.
c)
a programming language with strong abstraction from the details of the computer
8.
What are the stages of compilation?
a)
Lexical analysis
b)
Syntax analysis
c)
Code generation
d)
Optimisation
e)
Completion
9.
What happens during syntax analysis?
a)
Tokens are compared to the rules of the programming language
b)
Syntax errors are identified
c)
Symbol table updated with more details
d)
Semantic analysis (finding logic errors)
e)
Code generation
10.
What are the similarities between static and dynamic linkers?
a)
Both link external modules and libraries to main program
b)
Library code copied into the file. File size increased
c)
Addresses of libraries included within file. External updates automatically feed through to main program.
11.
What are the differences between static and dynamic linkers?
a)
Static: Library code copied into the file. File size increased
b)
Dynamic: Addresses of libraries included within file. External updates automatically feed through to main program.
c)
Dynamic: Library code copied into the file. File size increased
d)
Static: Addresses of libraries included within file. External updates automatically feed through to main program.
12.
Identify advantages of using libraries
a)
Error-free
b)
Save time
c)
Re-usable
d)
No need to ‘reinvent the wheel’
e)
Designed by experts
13.
Describe the function of a loader
a)
Provided by the operating system, a loader retrieves the library or subroutine from the given memory location
b)
Tokens are compared to the rules of the programming language
c)
Syntax errors are identified
d)
Symbol table updated with more details
e)
Semantic analysis (finding logic errors)
14.
What is the purpose of the optimisation stage of compilation?
a)
Reduce execution time
b)
Reduce inefficient sections of code
c)
Remove redundant code
d)
Tokens are compared to the rules of the programming language
e)
Syntax errors are identified
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