DS Computing Devices and Digital Identity Review

Which of the following best defines an embedded computer?

• A device that runs multiple applications simultaneously

• A programmable device for general use

• A computer integrated into another device for a specific function

• A network server used in large corporations

Which computer type is optimized for scientific computations and simulations?

• Personal computer

• Server

• Supercomputer

• Embedded system

What distinguishes a personal computer from a server?

• Personal computers operate without user interfaces

• Servers are designed for single-user applications

• Personal computers are for individual use, while servers manage network resources

• Servers do not store data

Mainframe computers are primarily used in:

• Personal communication

• Simple home automation

• Large-scale enterprise environments

• Mobile application development

What is Moore’s Law commonly associated with?

• The increase in storage capacity

• The doubling of transistors in integrated circuits every two years

• The decreasing cost of computing hardware

• The rise of cloud computing

What is the main function of the motherboard?

• Execute software commands
  

• Display graphics
  

• Store permanent data

• Facilitate communication between computer components

What directly affects the CPU’s performance?

• Hard disk capacity

• Number of USB ports

• Clock speed, cache, and number of cores

• Screen resolution

What is RAM primarily used for?

• Long-term file storage

• Graphical rendering

• Temporary data access during operations

• Managing network settings

Which component is responsible for displaying complex visuals and media?

• ROM

• Motherboard

• GPU

• CPU

What distinguishes secondary storage from RAM?

• RAM is slower

• Secondary storage is volatile

• Secondary storage is used for long-term data preservation

• RAM retains data after the computer is powered off