True/False
Indicate whether the sentence or statement is true
or false.
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1.
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Unlike BIOS, device drivers are usually written for a particular OS and might need to
be rewritten for use with another.
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2.
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The
temperature inside the case should not exceed 100 degrees F.
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3.
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An
operating system relates to memory with a long list of cells that it can use to hold data and
instructions. When the operating system is first loaded it assigns a number to each cell called a
memory address.
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4.
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In
the binary numbering, system a 1 or a 0 is referred to as a bit.
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5.
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In a
computer, hardware components must communicate both data and instructions among
themselves.
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6.
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The
POST is executed from the ROM BIOS.
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7.
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DC is
the type of current that computers require.
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8.
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Once
the fuse inside the surge suppressor blows, it no longer protects equipment from a power surge. It
continues to provide power without warning that you have lost protection.
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9.
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Using
a command prompt, use the Chdir or CD command to change from one directory to another.
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10.
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All
devices in a computer must communicate with the CPU.
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11.
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Today, most operating systems are likely to use an icon-driven interface often called
a graphical user interface (GUI).
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12.
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For
the file Test.doc, doc is called the file identifier.
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13.
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Binary data is put on a line of a bus by placing voltage on that line.
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14.
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Within the Windows operating systems, you may use the Properties window to see how
much memory is installed.
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15.
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The
power connector on an ATX motherboard is called a P1 connector.
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16.
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A
utility used by Windows XP to view information about the system, including information about memory,
video, ports, device drivers and system resources, is called the Microsoft Diagnostic Utility
(MSD).
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17.
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To
display the version of the operating system in use, use the Version command.
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18.
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DMA
channel 2 is not available for I/O use.
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19.
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Power
supplies for microcomputers range from 200 watts for a small desktop computer system to 600 watts for
a tower floor model.
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Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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20.
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The
____ is the wildcard for multiple characters.
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21.
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Which
statement about memory addresses is false? a. | They can contain data or
instructions. | b. | They are assigned as they are needed. | c. | They most often
appear on the screen as hexadecimal numbers in segment:offset form. | d. | Each address has
a unique number assigned to it. | | |
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22.
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Western Digital originally developed ____, which is often used in low-cost systems
sold in large electronics stores.
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23.
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Computer power supplies function as ____ of power. a. | suppliers | c. | rectifiers | b. | transformers | d. | Both B and C. | | | | |
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24.
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When
speaking of computer systems, +12, -12, +5, and -5 are measures of ____. a. | volts | c. | amperes | b. | watts | d. | ohms | | | | |
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25.
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The
part of the BIOS which controls I/O devices is called the ____. a. | startup
BIOS | c. | system
BIOS | b. | CMOS
setup | d. | CMOS
controllers | | | | |
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26.
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The
____ form factor is used on older motherboards that measure 12" X 13.8". a. | AT | c. | Mini-ATX | b. | ATX | d. | Baby AT | | | | |
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27.
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What
is the last step of POST? a. | CMOS setup is run if requested. | b. | The DMA and
interrupt controllers are checked. | c. | BIOS begins its search for an OS. | d. | Some devices are
set up to go into "Sleep mode" to conserve electricity. | | |
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28.
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During sleep mode, a device must use no more than ____ watts of
power.
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29.
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What
is the I/O address of COM2? a. | 00A0-00AF | c. | 0378-037F | b. | 03F8-03FF | d. | 02F8-02FF | | | | |
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30.
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A
____ is an example of an external device that can power up a computer with an ACPI-compliant
BIOS. a. | printer | c. | modem | b. | keyboard | d. | scanner | | | | |
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31.
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The
____ board is the largest and most important circuit board in the computer. a. | system
(motherboard) | c. | CMOS | b. | CPU | d. | DIMM | | | | |
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32.
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Newer
power supplies provide ____ volts DC. a. | 3.3 | c. | 12 | b. | 5 | d. | All of the above | | | | |
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33.
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A
____ is an electronic device that can hold an electrical charge for a period of time and can smooth
the uneven flow of electricity through a circuit. a. | capacitor | c. | transistor | b. | diode | d. | resistor | | | | |
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34.
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To
remove a subdirectory (in a command prompt window), use the ____ command. a. | Xdir | c. | Rmdir | b. | Rdir | d. | Deldir | | | | |
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35.
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If a
PC does not boot properly and you hear a single beep, then the problem is with the
____. a. | motherboard | c. | CPU | b. | video | d. | keyboard | | | | |
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36.
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All
processing and storage of data inside a computer is done in ____ form. a. | binary | c. | decimal | b. | hexadecimal | d. | character | | | | |
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37.
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Which
is the easiest way to identify the purpose of an expansion card? a. | Look at
its length | b. | Look at its height | c. | Look at the end
of the card that fits against the back of the computer case | d. | Look at the
number of pins | | |
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38.
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The
____ command is used to partition a hard drive. a. | Format | c. | Partition | b. | Boot | d. | Fdisk | | | | |
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39.
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What
component of the operating system provides the user interface? a. | Kernel | c. | Shell | b. | Registry | d. | Monitor | | | | |
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40.
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If
the OS is not functioning to the extent that it can provide a graphical user interface, a PC
technician must troubleshoot the system using a(n) ____-driven interface. a. | menu | c. | command | b. | icon | d. | Both A and B. | | | | |
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41.
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If
you are booting a PC and the video works, but the boot message is confusing or unreadable, the first
thing you should do is ____. a. | boot into safe mode | c. | troubleshoot the motherboard | b. | troubleshoot the
video | d. | troubleshoot the
OS | | | | |
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42.
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John
Atanasoff came up with the binary system in the ____. a. | 1930s | c. | 1950s | b. | 1940s | d. | 1960s | | | | |
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43.
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The
part of the BIOS which controls the startup of a computer is known as the ____. a. | startup
BIOS | c. | system
BIOS | b. | CMOS
setup | d. | controllers | | | | |
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44.
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The
NTFS file system is supported by ____. a. | Windows ME | c. | Linux | b. | Windows 2000 and
XP | d. | OS/2 | | | | |
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45.
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The
____ command displays or changes file characteristics such as system, hidden, read-only, and
archive. a. | Filechar | c. | Setattrib | b. | Attrib | d. | Sys | | | | |
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Completion
Complete each sentence or
statement.
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46.
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A
device initiates a(n) ____________________ by placing voltage on the designated IRQ line assigned to
it.
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47.
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The
file Ebd.cab is a compressed file, called a(n) ____________________ file.
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48.
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A(n)
____________________ is a set of rules and standards that any two entities use for
communication.
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49.
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A(n)
_________________________ occurs when uncontrolled electricity flows from the hot line to the
ground.
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50.
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RAM
stands for ____________________.
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51.
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A(n)
_________________________ acts as the middleman between applications and hardware.
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52.
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Material that resists the flow of electricity, such as glass or ceramic, is called
a(n) _________________________.
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53.
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Using
Windows XP to see what type of CPU and how much memory is installed, click Start, right-click My
Computer, and select Properties on the shortcut menu. Finally, click the ____________________ tab to
see the information.
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54.
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A(n)
____________________ involves initially turning on the power with the on/off switch.
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55.
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A
computer's CPU, memory, and other components are all connected to the
____________________.
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Matching
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Match each term with the correct statement below. a. | volts | f. | rectifier | b. | amps | g. | DC | c. | ohms | h. | transformer | d. | watts | i. | AC | e. | short | | | | |
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56.
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A
measure of resistance.
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57.
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A
measure of power.
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58.
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Type
of current used in United States homes.
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59.
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A
measure of electrical current.
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60.
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Changes the ratio of current to voltage.
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61.
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Converts AC to DC.
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Short Answer
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62.
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What
is a form factor?
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63.
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Name
five problems that may occur as a result of a faulty power supply.
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64.
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What
are the terms “volatile” and “nonvolatile” used to describe? What is the
difference between these two terms? Explain.
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65.
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When
reached, what temperature inside the computer case will cause components to fail?
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66.
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What
is the chip set, and what is its function? Where is it located? Name one company that makes chip
sets.
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67.
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What
are BIOS chips? What is the function of the BIOS chip on the motherboard?
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68.
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How
can you determine the type of expansion slot on the motherboard?
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69.
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What
is a short circuit? How are short circuits prevented from continuing indefinitely?
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