Introduction to Computing MCQs with Answers
Practice important Introduction to Computing MCQs with answers and explanations.
Multiple Choice Questions
Q1591: What do the mnemonic codes "LD", "ADDI", "ST", and "HLT" represent?
- A: Load, Add Immediate, Store, Halt
- B: Load, Add Direct, Store, Hold
- C: List, Add Immediate, Store, Halt
- D: List, Add Direct, Store, Hold
View Answer
A
Q1592: What is a common name for descriptive names like "Price" and "TotalCost" in programming?
- A: Memory cells
- B: Identifiers
- C: Constants
- D: Operators
View Answer
B
Q1593: The Therac-25 incident was caused by a _______.
- A: security breach
- B: software failure
- C: hardware issue
- D: human error
View Answer
B
Q1594: The Welsch NHS IT Failure in 2018 was due to a _______.
- A: hardware malfunction
- B: technical issue with software
- C: network outage
- D: security issue
View Answer
B
Q1595: Machine language is often _______ to write, leading to errors.
- A: simple
- B: easy
- C: tedious
- D: intuitive
View Answer
C
Q1596: The process of locating and correcting errors in a program is known as _______.
- A: encoding
- B: debugging
- C: compiling
- D: interpreting
View Answer
B
Q1597: The mnemonic form of programming instructions is _______ compared to numeric form.
- A: more meaningful
- B: less meaningful
- C: equally meaningful
- D: more complex
View Answer
A
Q1598: Which of the following best describes the importance of mnemonic systems in early programming languages?
- A: They made programming more accessible
- B: They increased code execution speed
- C: They eliminated all errors
- D: They replaced machine languages
View Answer
A
Q1599: Which of the following represents the mnemonic equivalent of "156C 166D 5056 306E C000"?
- A: MOV R5, R6
- B: LD R5, Price; ADDI R0, R5, R6
- C: ADD R5, R6
- D: LD R5, Price; LD R6, ShippingCharge; ADDI R0, R5, R6; ST R0, TotalCost; HLT
View Answer
D
Q1600: What is a machine language in the context of programming?
- A: A system of numerical instructions
- B: A type of high-level language
- C: A symbolic representation of code
- D: A debugging tool
View Answer
A