Hardware and Software

What is the primary function of the Arithmetic/Logic Unit (ALU) in a CPU?

• Store data permanently

• Execute mathematical calculations and logical comparisons

• Manage input and output devices

• Control user interface

Which type of memory is volatile and used for temporary storage while a computer is running?

• ROM

• SSD

• RAM

• DVD

What is the main advantage of secondary storage over primary memory?

• It is much faster.

• It is volatile.

• It offers nonvolatility and greater capacity.

• It has lower latency than RAM.

Which of the following is NOT a function of an operating system?

• Managing system memory.

• Controlling input and output devices.

• Writing application software.

• Allocating CPU resources.

What is the purpose of a RAID system?

• To increase processing speed.

• To enhance data storage redundancy and performance.

• To provide direct access memory.

• To execute multiple tasks at once.

Which of the following is a key characteristic of a multicore processor?

• It contains multiple processors on a single chip.

• It is slower than a single-core processor.

• It does not support multitasking.

• It requires more power than a mainframe.

Which type of computer is primarily used for complex scientific calculations?

• Mainframe

• Workstation

• Supercomputer

• Netbook

What is the purpose of a thin client?

• To function independently without a server.

• To provide a low-cost, centrally managed computer.

• To replace enterprise servers.

• To act as a personal computing device.

Which storage device is typically used for long-term data backup?

• RAM

• Magnetic tape

• Cache memory

• SSD

Which of the following is an example of green computing?

• Using cloud storage.

• Designing energy-efficient computer components.

• Increasing CPU clock speed.

• Using more physical servers.