Chapter 4: Hardware, Software, and Mobile Systems

What is a kilobyte and how is it abbreviated?

It is a collection of 1,024 bytes and it is abbreviated as a K.

What is a terabyte and how is it abbreviated?

It is a collection of 1,024 gigabytes and it is abbreviated as a TB.

What is a megabyte and how is it abbreviated?

It is a collection of 1,024 kilobytes and it is abbreviated as an MB.

What is a gigabyte and how is it abbreviated?

It is a collection of 1,024 megabytes and it is abbreviated with a GB.

What is a petabyte and how is it abbreviated?

It is a collection of 1,024 terabytes and it is abbreviated as a PB.

What is Storage Hardware?

Used to save data and programs. Such as HDD or SDD.

What is the Dual-Processor?

a computer with two CPU's is called...

What are Binary Digits or bits?

The language computers use to represent data. Represented as a zero or a one.

What are Slates?

another name for Apple tablets?

What is a Personal Computers (PC)?

are classic computing devices that are used by individuals. Their price-performance ratio declines every year.

High end computers have up to how many CPU's?

16

What is a Server farm?

is a collection of thousands of servers. Often placed in large truck trailers that can hold 5,000.

What is Random Access Memory?

the main memory.

What is the Quad-processor?

A computer with four CPU's is called.

What is an exabyte and how is it abbreviated?

It is a collection of petabytes and it is abbreviated as EB?

What is the Central Processing Unit (CPU)?

It is called "the brain" of the computer. It selects instructions, processes them, performs arithmetic and logical comparisons, and stores the results of operations in memory.

What does it mean that cache and main memory are volatile?

It means their contents are lost when power is turned off.

What does it mean that magnetic and optical disks are nonvolatile?

It means their contents survive when power is off.

What is main memory?

It's where data and instructions are stored. It is sometimes called RAM.

What are bytes?

They are bits that are grouped into 8-bit chucks.

What is a Server?

a computer that is designed to support processing from many remote computers and users.