Module 2 - Program Execution Flashcards
1
Q
- Which of the follow best matches the function of the Backend in the compilation process?
• Performs syntax rules checking and constructs a symbol table and abstract syntax tree.
• Translates assembly language code into machine code.
• Separates the input source code text into tokens.
• Combines partial programs and libraries into a single executable.
• Performs program analysis and optimization.
• Arranges the symbol table in memory and generates final executable machine code.
A
Arranges the symbol table in memory and generates final executable machine code.
2
Q
2. In the compilation process, the \_\_\_\_\_\_ combines partial programs and libraries into a single executable. • Syntax Analyzer (parser) • Assembler • Middle Stage • Lexical Analyzer (lexer) • Backend • Linker
A
Linker
3
Q
3. In the compilation process, the \_\_\_\_\_\_ performs program analysis and optimization. • Assembler • Backend • Linker • Lexical Analyzer (lexer) • Syntax Analyzer (parser) • Middle Stage
A
Middle Stage
4
Q
4. In the compilation process, the \_\_\_\_\_\_ separates the input source code text into tokens. • Middle Stage • Assembler • Backend • Linker • Syntax Analyzer (parser) • Lexical Analyzer (lexer)
A
Lexical Analyzer (lexer)
5
Q
- Which of the follow best matches the definition for Lexical Analysis?
• Performs program analysis and optimization.
• Combines partial programs and libraries into a single executable.
• Separates the input source code text into tokens.
• Performs syntax rules checking and constructs a symbol table and abstract syntax tree.
• Arranges the symbol table in memory and generates final executable machine code.
• Translates assembly language code into machine code.
A
Separates the input source code text into tokens.
6
Q
6. Select which of the following are part of the compilation process: • Testing • Code Generation • Lexical Analysis • Optimization • Program Execution • Linking • Syntax Analysis • Debugging
A
- Code Generation
- Lexical Analysis
- Optimization
- Linking
- Syntax Analysis
7
Q
- Which of the follow best matches the function of the Middle Stage in the compilation process?
• Performs syntax rules checking and constructs a symbol table and abstract syntax tree.
• Arranges the symbol table in memory and generates final executable machine code.
• Performs program analysis and optimization.
• Combines partial programs and libraries into a single executable.
• Separates the input source code text into tokens.
• Translates assembly language code into machine code.
A
Performs program analysis and optimization.
8
Q
8. In the compilation process, the \_\_\_\_\_\_ performs program analysis and optimization. • Lexical Analyzer (lexer) • Assembler • Backend • Linker • Syntax Analyzer (parser) • Middle Stage
A
Middle Stage
9
Q
- Which of the follow best matches the function of the Linker in the compilation process?
• Translates assembly language code into machine code.
• Arranges the symbol table in memory and generates final executable machine code.
• Combines partial programs and libraries into a single executable
• Separates the input source code text into tokens.
• Performs program analysis and optimization.
• Performs syntax rules checking and constructs a symbol table and abstract syntax tree.
A
• Combines partial programs and libraries into a single executable
10
Q
- Which of the follow best matches the function of the Backend in the compilation process?
• Arranges the symbol table in memory and generates final executable machine code.
• Performs program analysis and optimization.
• Separates the input source code text into tokens.
• Combines partial programs and libraries into a single executable.
• Translates assembly language code into machine code.
• Performs syntax rules checking and constructs a symbol table and abstract syntax tree.
A
Arranges the symbol table in memory and generates final executable machine code.
11
Q
11. The \_\_\_\_\_\_ of the CPU coordinates the flow of information around the processor. • Memory • IO / Peripherals • Registers • Control Unit • Bus • Datapath • ALU
A
Control Unit
12
Q
12. A computer consists of five major modules. What module does ALU belong to? • Peripheral • Data Path • Control Unit • Memory
A
Data Path
13
Q
- Which of the following best matches the definition of the Control Unit?
• Acts as an interface between the processor and the outside world, including long-term storage and user interfaces.
• Contains the ALU and Registers, and the interconnection between them.
• Stores a small number of pieces of information, commonly the temporary results of calculations.
• Stores a large number of pieces of information, including program data and instructions.
• Operates on one or more numerical values to perform calculations and operations on data.
• Carries data between the ALU, registers, memory, and peripherals.
• Coordinates the flow of information around the processor.
A
Coordinates the flow of information around the processor.
14
Q
14. If two computers made by different companies have the same machine language, that means they have the same: • Realization • Organization • Architecture • Processor Design
A
Architecture
15
Q
15. A computer consists of five major modules. What module do registers belong to? • Data Path • Memory • Peripheral • Control Unit
A
Data Path
16
Q
16. If two computers made by the same company have the same transistor design, but different machine language, that means they have the same: • Processor Design • Architecture • Realization • Organization
A
Realization
17
Q
17. The \_\_\_\_\_\_ of the CPU stores a small number of pieces of information, commonly the temporary results of calculations. • ALU • Datapath • Control Unit • Bus • IO / Peripherals • Memory • Registers
A
Registers
18
Q
18. The \_\_\_\_\_\_ of the CPU coordinates the flow of information around the processor. • IO / Peripherals • ALU • Control Unit • Bus • Registers • Datapath • Memory
A
Control Unit
19
Q
- Which of the following best matches the definition of the IO or Peripherals?
• Coordinates the flow of information around the processor.
• Contains the ALU and Registers, and the interconnection between them.
• Carries data between the ALU, registers, memory, and peripherals.
• Stores a large number of pieces of information, including program data and instructions.
• Acts as an interface between the processor and the outside world, including long-term storage and user interfaces.
• Operates on one or more numerical values to perform calculations and operations on data.
• Stores a small number of pieces of information, commonly the temporary results of calculations.
A
Acts as an interface between the processor and the outside world, including long-term storage and user interfaces.
20
Q
20. A computer consists of five major modules. What module do registers belong to? • Data Path • Peripheral • Control Unit • Memory
A
Data Path
21
Q
21. Select the hardware that is active during the Execute Stage of the instruction cycle: • ALU • Instruction Memory • Data Memory • Program Counter • Control Unit
A
ALU
22
Q
- A program consisting of 116 instructions is executing on a simple processor. Each instruction takes 3 cycles to complete. How many clock cycles will it take to execute the program?
A
348
23
Q
23. Which of the following are stages in the instruction cycle? • Execute • Decode • Jump • Fetch • Store • Link
A
Execute
Decode
Fetch
Store
24
Q
24. Select the hardware that is active during the Store stage of the instruction cycle: • Instruction Memory • Program Counter • Data Memory • ALU • Control Unit
A
Program Counter
Data Memory
25
```
25. Select the hardware that is active during the Fetch Stage of the instruction cycle:
• Data Memory
• Program Counter
• Control Unit
• ALU
• Instruction Memory
```
Instruction Memory
| Program Counter
26
```
25. Select the hardware that is active during the Fetch Stage of the instruction cycle:
• Data Memory
• Program Counter
• Control Unit
• ALU
• Instruction Memory
```
Instruction Memory
| Program Counter
27
27. A program consisting of 317 instructions is executing on a simple processor. Each instruction takes 3 cycles to complete, with a clock rate of 159 KHz. How long will it take to execute the program? Give your answer in units of milliseconds with at least 1 decimal place of precision
6
28
```
28. Which of the following are NOT stages in the instruction cycle?
• Jump
• Link
• Execute
• Decode
• Fetch
• Store
```
* Jump
| * Link
29
```
29. Select the hardware that is active during the Decode Stage of the instruction cycle:
• Program Counter
• Control Unit
• Data Memory
• Instruction Memory
• ALU
```
Control Unit
| Data Memory
30
```
30. Select the hardware that is active during the Fetch Stage of the instruction cycle:
• Program Counter
• Instruction Memory
• Data Memory
• ALU
• Control Unit
```
Program Counter
| Instruction Memory
