Exam Review

PART 2 - Answer in your notebook

 

DEFINE The following terms

  • MOTHERBOARD
  • AT
  • ATX
  • SLOT
  • BUS
  • BIOS
  • PCI
  • ISA
  • VOLTAGE
  • CURRENT
  • POWER SUPPLY
  • ROM
  • RAM
  • EPROM

 

·        EEPROM

·        BITS

·        BYTES

·        HERTZ

Answer these questions -- show complete solutions for problems

1.  A filament lamp passes a current of 60 mA (0. 06 A) when the voltage is 6V What is the resistance of the filament?

2. What is the current flowing through a 30 ohm fixed value resistor when it is connected to a 9V battery?

Draw a schematic Diagram and show your work completely

 

3.  What is a storage device?

4. Name 3 commonly used storage devices

5. Complete the following chart

Name of Device

Speed (RPMs)

Type of Storage Media

Size of Disk (MB)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6. What do the terms IDE, SCSI, MB, GB, Floppy, and ATA mean?

7. What is the difference between SCSI drives and IDE drives?

8. Why do servers typically use SCSI drives as opposed to IDE drives?

9. How many IDE drives can be connected on a single bus?

10. How many SCSI drives can be connected on a single bus?

11. What is a binary number system?

12. Why do computers use a binary system instead of a decimal system?

13. What does the term BIT mean, and from what two words is it made-up?

14. What are the colour codes for two resistors valued at 4500 ohms, and 17 ohms respectively?

15. Change the number 9 in binary form

16. What is the decimal equivalent for the hexadecimal number "CAB"?