Hardware: Practice Questions

What is a primary characteristic of Read Only Memory (ROM) that distinguishes it from Random Access Memory (RAM)?

Which logic gate is defined by the function where the output is logic 0 only if both inputs are logic 1, and logic 1 for all other input combinations?

An automated irrigation system uses soil moisture sensors and a water pump. Which statement best explains why this is classified as a control system rather than a monitoring system?

Which of the following describes a technical difference between Static RAM (SRAM) and Dynamic RAM (DRAM)?

In modern computer systems, Dynamic RAM (DRAM) and Static RAM (SRAM) are used for different purposes. Which of the following best explains why SRAM is preferred for Cache memory despite its higher cost and lower density compared to DRAM?

State one reason why Dynamic RAM (DRAM) needs to be refreshed at regular intervals while Static RAM (SRAM) does not.

Distinguish between EPROM and EEPROM by describing the different methods used to erase their stored data and the physical requirements for each process.

Describe how a laser printer utilizes static electricity and heat to transfer toner from the photosensitive drum and produce a permanent image on paper.

A company is upgrading its computer systems and needs to select appropriate internal memory. The technical team is comparing Static RAM (SRAM) and Dynamic RAM (DRAM).

(a) Describe two differences between SRAM and DRAM. (2 points)

(b) State which type of RAM is typically used for cache memory and explain why it is preferred for this purpose. (2 points)

Compare Static RAM (SRAM) and Dynamic RAM (DRAM), highlighting two key differences in their operational characteristics and two differences in their typical applications within a computer system.