Computer Science Flashcards

What is the difference between a compiler and an interpreter?

Answer: A compiler translates the entire program at once, while an interpreter translates and executes line by line

A compiler translates the entire source code into machine code before execution, while an interpreter translates and executes code one statement at a time during runtime.

What does the Boolean expression (TRUE AND FALSE) OR TRUE evaluate to?

Answer: TRUE

(TRUE AND FALSE) = FALSE; FALSE OR TRUE = TRUE. The OR operator returns TRUE if at least one operand is TRUE.

What is a variable in programming?

Answer: A named storage location in memory that holds a value which can be modified

A variable is a named reference to a memory location that stores data which can be read and modified during program execution.

Which network topology connects all devices to a single central hub?

Answer: Star topology

In a star topology, all devices connect to a central hub or switch. If the central device fails, the entire network is affected, but individual device failures do not affect others.

What is the function of RAM in a computer?

Answer: Temporary storage for data and instructions currently being processed

RAM (Random Access Memory) provides fast, temporary storage for data and instructions that the CPU is actively using. Its contents are lost when power is turned off (volatile memory).

What does HTML stand for and what is its primary purpose?

Answer: HyperText Markup Language; structuring and presenting content on web pages

HTML (HyperText Markup Language) is the standard markup language used to structure and present content on the World Wide Web, defining the layout and elements of web pages.