Preliminary Exam in HMP13 & CSA 1

What is the correct definition of a computer?

• A machine that can only perform simple mathematical calculations.

• A device that stores, processes, and displays data according to programmed instructions.

• A tool that replaces all manual work.

• An electronic device used only for entertainment purposes.

Which of the following is NOT a type of computer?

• Analog

• Digital

• Mechanical

• Hybrid

How do analog computers work?

• By processing discrete data.

• By processing continuous data.

• By processing both continuous and discrete data.

• By converting electrical signals into binary.

What is the main feature of digital computers?

• They are only used in industrial applications.

• They process data in the form of binary digits.

• They use a continuous flow of data.

• They cannot perform mathematical calculations.

Which of the following best describes a hybrid computer?

• A computer that uses both analog and digital components.

• A computer designed for gaming purposes.

• A computer that can only perform basic tasks.

• A computer that processes data in analog form only.

Which of the following is NOT an application of computers in the world today?

• Education

• Healthcare

• Manufacturing

• Creating paper notebooks

In which field are computers most commonly used for data analysis and scientific research?

• Entertainment

• Healthcare

• Education

• Media production

Which of the following is an example of a disadvantage of using computers?

• Increased efficiency in work processes

• Faster access to information

• Risk of cyber attacks and data breaches

• Automation of repetitive tasks

One of the main advantages of computers is their ability to:

• Take over all jobs from humans.

• Perform complex calculations quickly and accurately.

• Reduce energy consumption.

• Eliminate the need for human interaction.

Which of the following is a negative impact of computers on the environment?

• Reduced need for paperwork

• Increased global communication

• Energy consumption and electronic waste

• Faster data processing