info tech

which of the following sequences show an increase in computer memory?

• terabyte-gigabyte-megabyte

• gigabyte-kilobyte-megabyte

• megabyte-terabyte-gigabyte

• megabyte-gigabyte-terabyte

which of the following operations displays results?

• input

• output

• storage

• processing

which of the following statements is true about the arithmetic and logic unit (ALU)

• store data permanently

• performs mathematical calculations

• is also called memory or main memory

• sequentially accesses and decodes program instructions

which of the following types of drives has the slowest transfer rate?

• flash

• hard disk

• DVD disk

• floppy disk

which of the following is an example of the type of data that visually records meetings?

• text

• video

• audio

• graphics

which part of the central processing unit coordinates its activities?

• register

• control unit

• main memory

• arithmetic and logic unit

which of the following chips can erased and reprogrammed repeatedly?

• RAM

• ROM

• PROM

• EPROM

which of the following is a hardware user interface?

• GUI

• icon

• scensor

• touchscreen

which of the following devices can be used for both input and output?

• touchscreen

• barcode reader

• flatbed scanner

• document reader

telecommuting means using information and communication technology at home to

• holds conferences

• sell and buy products

• send and receive e-mails

• work away from the office