Download - Chapter 1 Introducing Hardware
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Chapter 1 Introducing Hardware
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1. Why is all data stored in a Computer in binary form?
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Answer
• Because computers only understand the binary numbers. (0, 1)
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2. What are the four primary functions of hardware?
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Answer
• Input• Output• Storage• Processing
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3. What are the 2 main input devices and 2 main output devices?
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Answer
• Inputo Keyboard, Mouse
• Outputo Monitor, Printer
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4. What 3 things do electronic hardware devices need in order to
function?
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Answer
• A method for the CPU to communicate with the device
• Software for instruction• Electricity for power
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5. How many bits are in a byte?
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Answer
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6. What is the purpose of an expansion slot on the motherboard?
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Answer
• To connect peripheral devices to the motherboard (sound/video networks)
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7. Which component on the motherboard is used for
processing?
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Answer
• CPU (Central Processing Unit)
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8. Name three CPU manufacturers ?
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Answer
• AMD• Intel• VIA
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9.
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10.
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11.
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12.
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13.
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14.
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15.
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16.
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17.) Of the two types of storage in a system, which type is generally faster and holds data and instructions while the data is being processed? Which type of storage is generally slower, but more
permanent?
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1. RAM2. ROM
ANSWER:
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18. What technology standard provides for up to four devices on a system, including the hard drive as one of those devices? What are two common industry names loosely used to describe this standard?
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1. Serial ATA Standard2. SATA, Serial ATA
ANSWER:
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19. What is the size of the data path on most system buses today?
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16, 32, 64, 128
ANSWER:
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20. What is the measurement of frequency of a system bus and CPU? Which is faster, the system bus or the CPU?
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1. Buses: 1066 MHz, 800 MHz, 533 MHz, or 400 MHz2. CPU: 166 MHz to 4 GHz3. CPU
ANSWER:
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21. Name four types of buses that might be on a motherboard today.
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1. PCI Express Bus2. PCI Bus3. AGP Bus4. ISA Bus
ANSWER:
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22. A power supply receives 120 volts of ____ power from a wall outlet and converts it to 3.3, 5, and 12 volts of ____ power.
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1. AC2. DC
ANSWER:
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23. ROM BIOS or firmware chips that can be upgraded without replacing the chips are called____.
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Flash ROM
ANSWER:
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24. CMOS setup allows a technician to change
configuration settings on a motherboard stored in
_________.
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ANSWERS:
ROM chip
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25. Name three examples of secondary storage
devices.
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ANSWER:
•Hard Drive•CD•Floppy Disk
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26. A hertz is ______ cycles per second; a megahertz is _______ cycles per second, and a gigahertz is _______
cycles per second.
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ANSWER:
Hertz= 1Megahertz= 1 millionGigahertz= 1 billion
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27. An AGP slot is normally used for a(n)
________ expansion card.
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ANSWER:
Video
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28. How many sizes of PCI Express slots are
currently manufactured for
personal computers?
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2
ANSWER:
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29. Name the three purposes the motherboard
ROM BIOS serves.
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•manage simple devices (system BIOS),
•start the computer (startup BIOS),
•change settings on the motherboard (CMOS setup).
ANSWER:
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30. From where does CMOS RAM receive its power?
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Coin Battery
ANSWER: