FBLA Computer problem solving Flashcards
(150 cards)
1
Q
How many bits make up a byte?
A
8
2
Q
A megabyte is how many bytes?
A
1000
3
Q
A gigabyte is how many bytes?
A
1 Billion
4
Q
A terabyte is how many bytes?
A
1 Trillion
5
Q
A petabyte is how many bytes?
A
1 quadrillion
6
Q
What is the smallest ‘full feature’ PC today?
A
Smartphone/ PDA
7
Q
How should you configure a removable storage device so that it can be safely removed at a moment’s notice?
A
Optimize for quick removal
8
Q
What is write caching?
A
The act of the computer writing data to a small memory bank so that it can be written to the hard drive in a short amount of time without hindering performance
9
Q
What does the primary corona/ discharge lamp do?
A
Uniformly charges the drum to reset it between printouts.
10
Q
What is the drum of a laser printer?
A
A photosensitive component that holds an electrostatic charge that can be erased by a laser. It attracts the toner.
11
Q
What is toner?
A
Fine plastic-like particles that form the image on a laser printer. It comes in cartridges.
12
Q
What does the transfer corona/roller do?
A
Attract the toner from the drum to the paper.
13
Q
What do the fusing rollers do?
A
Heats up and melts the toner unto the surface of the paper.
14
Q
What is one thing that software companies use to prevent unlicensed use?
A
Product Activation
15
Q
What does FDDI stand for?
A
Fiber Distributed Data Interface
16
Q
What is WPA?
A
Wi-Fi Protected Access, a newer security algorithm for Wi-Fi.
17
Q
What is WPS?
A
Wi-Fi Protected Setup, a one-touch Wi-Fi security protocol
18
Q
What is an SSID?
A
Service Set Identifier, the name of a Wi-Fi network
19
Q
What is the most common form of identification and authentication?
A
User ID with a reusable password
20
Q
What is WSUS?
A
Windows Server Update Services, enables sysadmins to deploy software updates
21
Q
What was SUS?
A
Software Update Services, enabled XP users to update security patches
22
Q
Why should you never attempt to repair a monitor yourself?
A
There is an electrical source inside which can hold a lethal charge.
23
Q
What is L1 memory?
A
The first cache the CPU uses, usually part of the microprocessor
24
Q
What is L2 memory?
A
The second cache the CPU uses, sometimes as an expansion
25
What do CPU caches do?
Store small amounts of information for the CPU to digest faster than RAM
26
How many devices can be daisy-chained to a single USB port?
127
27
What is the 'brain' of a computer?
Microprocessor
28
What is firmware?
Read-only software that provides basic instructions for the computer
29
What is one example of firmware on a common PC?
BIOS
30
What is SRAM?
Static RAM, a lower-power and faster but more expensive type of memory, used for CPU caches
31
What is DRAM?
Dynamic RAM, the most common form of memory that must be refreshed with capacitors occasionally
32
What is SDRAM?
Synchronous Dynamic RAM, uses clock to coordinate storage
33
What is DDR-SDRAM?
Double Data Rate SDRAM, the current (fast) revision of the RAM standard, on 4th edition
34
What are PCMCIA Cards?
Old computer expansion cards using a serial connection
35
What is a type 1 PCMCIA card?
3.3 mm card, designed for RAM
36
What is a type 2 PCMCIA card?
5 mm card, supports I/O, used for network and tuner adapters
37
What is a type 3 PCMCIA card?
10.5 mm card, designed for hard drives
38
What is a type 4 PCMCIA card?
Unofficial 16 mm cards, very rare
39
What is WEP?
Wired Equivalent Privacy, the original security algorithm for Wi-Fi.
40
What is a major drawback associated with laptops?
Heat buildup
41
What is a major security feature introduced in XP?
Digital Certificates, verify identity of creators
42
What is the most common authentication protocol?
Kerberos
43
What document is required when hazardous materials change hands?
MSDS, Material safety data sheet
44
What is ESD?
Electrostatic Discharge
45
What organ does laser light do the most damage to?
Eyes
46
What makes Intel's Itanium processors significant?
First line of processors to be totally 64-bit
47
Which version of Windows integrated consumer and business features into one OS with different versions?
XP
48
What is FAT32?
An older file system, can be read and written to by almost any operating system
49
What is NTSF?
Microsoft's current file system, faster, supports larger drives, and supports encryption, but is incompatible with other operating systems
50
Why was Windows Advanced Server notable?
It was one of the first 64-bit versions of Windows, and therefore could support 8 processors and 8GB of RAM.
51
What is an ICF?
Internet Connection Firewall
52
What is UTP?
Unshielded twisted pair, the most common type of networking cable, includes most phone and Ethernet lines
53
What is STP?
Shielded twisted pair, cable is protected with metallic substance to reduce interference, rare due to expense
54
What is the largest drawback of wireless networking?
Security
55
Which standard defines wireless networking?
802.11
56
What number is permanently assigned to a network card that uniquely identifies it?
MAC address
57
What is a network topology?
The structure of a computer network
58
What is a ring network?
When devices are connected to two other devices on either side, creating a circle
59
What is a mesh network?
When devices are connected to each other in varying ways
60
What is a star network?
When a central device makes a direct connection to every other device
61
What is a bus network?
When devices are connected through the use of a single line, split to each one
62
What are the two most common ways to install an operating system?
Direct download, disk
63
What is the term for simulating memory using hard drive space?
Virtual memory
64
What does Bootcfg do?
Boot file (boot.ini) configuration and recovery.
65
What does More do?
Displays a text file
66
What does Type do?
Displays a text file
67
What type of device is a scanner considered?
Input
68
What does it mean for a network to be full-duplex?
To be capable of transmitting data in two directions simultaneously
69
What is FDDI?
Fiber Distributed Data Interface
70
Who is a person who intends to access a computer system without permission?
Hacker
71
The memory cache (SRAM) holds data in expectation of a request from what part of the computer?
CPU
72
When upgrading memory, what part of the computer is replaced?
RAM
73
Microsoft bundles what basic graphics program with Windows?
Paint
74
In the United States, WiFi is regulated to which channels?
1-11
75
What was a computer language developed by Adobe in the 1980s designed for creating vector graphics and text?
PostScript
76
When a computer is having trouble connecting to a printer, what is the first troubleshooting step within software?
Check configuration of the parallel port in CMOS
77
What does CMOS stand for?
Complementary metal-oxide semiconductor
78
What is CMOS?
A battery-powered memory chip in your computer that stores start-up information. BIOS uses this information when starting your computer.
79
How do you check the battery of a laptop if it does not power the computer nor hold a charge?
Open the battery and check each cell individually
80
How should you manually check the health of a laptop battery?
Connect the AC cord and fully charge the battery
81
What is the normal operating temperature range of most laptops?
35-40 degrees C (95-104 F)
82
What RAM technology fetches 4 bits per clock cycle and uses 1.8 volts?
DDR2 SDRAM
83
In what stage of laser printing is the laser used?
Writing
84
Where can you quickly cancel print jobs?
Printer Spooler
85
What status value in the job completion box in a window indicates that the running program experienced no error?
Completed
86
What is SCSI?
Small Computer System Interface, the major standard of serial ports
87
How does SCSI keep multiple devices on a single chain straight?
It assigns a unique device ID
88
What does it mean for a cable to be plenum?
It is certified for use in air ducts as it will not produce a toxic gas when burned
89
What is the most important activity that users must do when handling sensitive data?
Log off of their workstations when they leave
90
What permission level allows for the viewing of a file or folder?
Allow- Read
91
What permission level allows for the adding of a folder or editing a file?
Allow- Write
92
What permission level allows for the viewing a file and the ability to execute a file?
Allow- Read and Execute
93
What permission level allows for the reading, writing, and deletion of a file or folder?
Allow- Modify
94
What permission level gives the user total power over files and folders?
Allow- Full Control
95
What is the first proper response to the electrocution of a person?
Turning off the main switch
96
What type of devices do electrical engineers deploy to fix spikes, surges, and drops of voltage?
UPS, Uninterrupted Power Supplies
97
What should the first step toward disassembling a computer be?
The power cord and batteries should be disconnected
98
Which network type can use WEP?
802.11b (Wi-Fi)
99
Where in the registry hive is control set data stored?
HKEY_LOCAL_MACHINE/SYSTEM
100
What is the registry in Windows?
A system-defined database in which applications and system components store and retrieve configuration data.
101
What is control set data?
Data of system configuration information such as device drivers and services.
102
What is the most likely consequence of a sudden power outage?
Lost data
103
What is POST?
Power On Self Test, A hardware check performed during BIOS
104
What is a boot sector?
A section of a hard drive dedicated to software to be loaded when the computer is turned on, like BIOS
105
What is the MBR?
Master Boot Record, a special type of boot sector data that sorts and verifies drive partitions
106
What does a POST error of 1xx mean?
Problem with motherboard
107
What does a POST error of 2xx mean?
Problem with memory
108
What does a POST error of 3xx mean?
Problem with keyboard
109
What does a POST error of 4xx mean?
Problem with video adapter
110
What does a POST error of 6xx mean?
Problem with floppy drive
111
What does a POST error of 9xx mean?
Problem with printer
112
What is the maximum transfer rate of USB 1.1?
12 mbps
113
What is the maximum transfer rate of USB 2.0?
480 mbps
114
What is the maximum transfer rate of USB 3.0?
5 gbps
115
Why must SCSI ports be terminated?
Signals are reflected across cable and without termination interference will cause signal loss
116
What is the goal of a UPS?
To provide power long enough to safely shut down a computer
117
What is the maximum length of a USB cable?
5 meters
118
What does VGA stand for?
Video Graphics Array, standard of 600x480
119
What is the common 1024x768 monitor resolution?
XGA
120
What is the super high 4:3 monitor resolution, defined by 1600x1200?
UXGA
121
What is the best way to fix the problem of having a bidirectional printer and driver but unidirectional cable?
Install a bidirectional cable
122
When you install new software, what does Windows do?
Create a restore point
123
What key would you press in Emergency Repair Disk to restore the registry?
F (fast repair)
124
What's the best way to protect hard drive data?
Backup regularly
125
What Windows utility can speed up hard drive performance of your machine?
DEFRAG
126
What Windows utility displays a status report on NTFS hard drives?
CHKDSK
127
What Windows utility displays a status report on FAT32 hard drives?
SCANDISK
128
What is MSD?
Microsoft Diagnostics, a Windows utility in the 90s that gave system information
129
What should you do about an illegal operation error message?
Restart the program
130
Why might a shortcut not work when clicked?
The program file is corrupt or deleted
131
How can you fix missing lines, details, and other graphics?
Reduce hardware graphics acceleration
132
What is a snapshot of a system state that is used for a system restore?
Restore point
133
What is one thing that Windows Network Diagnostics allows you to do?
Reset a computer's network adapter
134
What does MSCDEX stand for?
Microsoft MS-DOS CD-ROM Extensions
135
What is DriveSpace?
A disk compression utility for Windows
136
What does SMARTDRV attempt to do?
Speed up HHD access by using a part of RAM to cache data
137
What makes a search engine different from a directory?
Search engine crawl the web with spiders to create listings, while directories do not
138
What does ISDN stand for?
Integrated Services Digital Network
139
What does ISDN define?
Standards for two-way data transmission over the phone network
140
What is the process that verifies that your login and password are correct?
Authentication
141
How many keys are required for public key encryption?
Two
142
What would be a possible reason for a computer to run for a while and then display an 'out of memory' error?
Virus
143
What is the first question to ask a user when a computer will not boot after downloading a file from the Internet?
Did you scan the file for viruses before opening it?
144
Is installing network monitoring software a computer crime?
No.
145
Is the intrusion of a computer or phone network a computer crime?
Yes.
146
Is pirating software a computer crime?
Yes.
147
What is the term for a computer crime where one person pretends to be someone else?
Identity theft
148
When sitting at a workstation, what angle should a user's forearm be to their body?
90
149
What does Windows command assoc do?
Displays list of programs associated with file types
150
What does Windows command Cipher do?
Overwrites hard drive data for permanent deletion
