Exam 10: Understanding Computer Hardware and Software: From CPUs to Operating Systems

Which licenses specialty software paid for on a license basis or per-use basis or usage-based licensing?

A tablet is a pen-based computer that provides the screen capabilities of a PDA with the functional capabilities of a laptop or desktop computer.

Define the relationship between operating system software and utility software.

What refers to a device's ability to function with or without power?

The arithmetic-logic unit includes instructions and literally tells the other hardware devices what to do,based on the software instructions.

What is a cellular telephone with a keypad that runs programs,music,photos,email,and includes many features of a PDA?

What is the actual hardware that interprets and executes the program (software)instructions and coordinates how all the other hardware devices work together?

A tablet computer has a flat screen that uses a mouse or fingertip for input instead of a keyboard.Similar to PDAs,tablet PCs use a writing pen or stylus to write notes on the screen and touch the screen to perform functions such as clicking on a link while visiting a website.

What is the computer's main memory,which consists of the random access memory (RAM),cache memory,and read-only memory (ROM)that is directly accessible to the CPU?

Spyware can remove software that is no longer needed.

Memory cards contain high-capacity storage that holds data such as captured images,music,or text files.

A hard drive is a secondary storage medium that uses several rigid disks coated with a magnetically sensitive material and housed together with the recording heads in a hermetically sealed mechanism.

A mainframe computer is designed to meet the computing needs of hundreds of people in a large business environment.Mainframe computers are a step up in size,power,capability,and cost from minicomputers.

A personal computer is a computer that is operated by a single user who can customize the functions to match personal preferences.

Describe the eight categories of computers by size.

A workstation is a cellular telephone with a keypad that runs programs,music,photos,email,and includes many features of a PDA.

What is similar to a desktop but has more powerful mathematical and graphics processing capabilities and can perform more complicated tasks in less time?

What is a computer has a flat screen that uses a mouse or fingertip for input instead of a keyboard?

Random access memory (RAM)is the computer's primary working memory,in which program instructions and data are stored so that they can be accessed directly by the CPU via the processor's high-speed external data bus.

What is a CPU?