Computer+Hardware

1.How does the motherboard act as the central nervous system? a. assigns tasks to all parts of a computer b. houses components such as the CD/DVD drive and the power supply c. links the processor, memory, and audio-video components c.links the processor,memory,and audio-video components.

2.1.__false__A computer will be more efficient if its processor has fewer cores. 2.__false___ A dual-core processor can process two sets of instructions at a time. 3.___true__ Two single-core processors are more efficient than one dual-core processor.

3. 1. Which memory stores data temporarily? a. hard drive b. long-term memory c. RAM a.hard drive

2. Carol has completed part of her assignment and has saved the document on her computer so she can work on it later. Which memory stores this data? a. cache memory b. hard drive c. main memory d. RAM c.main memory.

4.1. What does CD-RW mean? a. You can transfer data from digital cameras to your computer. b. A flash memory card reader is required to read this data. c. The CD drive enables you to view data on a CD or a DVD. d. The CD drive reads and writes data, so you can burn data onto a CD.

2. Ryan wants to back up all the data in his computer’s hard drive to prevent its loss. Which device would be best suited for this backup? a. CD b. flash memory card c. external hard drive d. flash drive, or USB drive