Chapter 3-1
A video card on a modern motherboard would run best in which type of slot?
A. PCI B. PCIe
C. VGA D. DVI
B. PCIe
PCI is an older type of slot that is slower and less desirable for video cards. VGA and DVI are not slot types.
Which of these is not a flat-panel display?
A. OLED B. LCD
C. Plasma D. CRT
D. CRT
All the other types are flat-panel displays.
Which kind of device stores data in patterns of magnetic polarity?
A. DVD B. CD
C. USB flash drive D. HDD
D. HDD
A hard disk drive (HDD) uses magnetic polarity to store data. DVD and CD are both optical, and a USB flash drive is solid state.
What kind of drive reads CompactFlash storage?
A. USB flash drive B. Card reader
C. HDD D. SSD
B. Card reader
A card reader reads from a variety of flash memory cards, including CompactFlash. All other drive types listed contain their own storage and do not accept cards.
Which port is used exclusively for external hard drives?
A. FireWire B. USB
C. eSATA D. PS/2
C. eSATA
FireWire and USB can be used for external hard drives, but they also have other uses. PS/2 is an old port used for keyboards and mice, not hard drives.
Which of these ports are physically identical?
A. USB Type-A and USB Type-B B. Thunderbolt and Mini DisplayPort
C. DisplayPort and FireWire D. DVI and VGA
B. Thunderbolt and Mini DisplayPort
The other pairs are not identical.
Which unit of measurement describes approximately one trillion bytes of storage?
A. Terabyte B. Gigabyte
C. Megabyte D. Kilobyte
A. Terabyte
A terabyte is approximately one trillion bytes. A gigabyte is approximately one billion bytes, a megabyte is approximately one million bytes, and a kilobyte is approximately one thousand bytes.
Which of these is not a benefit of SSD over HDD?
A. Quieter B. Uses less power
C. Faster D. Less expensive
D. Less expensive
SSD has all the advantages listed except it is more expensive than HDD.
Which of these external ports is not obsolete?
A. FireWire B. Legacy parallel
C. Legacy serial D. PS/2
A. FireWire
All the others are obsolete.
What is the purpose of a wheel on a mouse?
A. Scrolling the display B. Greater precision of pointer movement
C. Right-clicking alternative D. Locating the pointer
A. Scrolling the display
The other actions are not controlled by the mouse wheel.
Which of these is not an optical disc?
A. DVD B. SSD
C. BD-R D. CD-RW
B. SSD
SSD stands for solid-state drive. All the others listed are optical discs.
Which of these is an external storage connection?
A. ePATA B. eSATA
C. PATA D. SATA
B. eSATA
eSATA is external serial ATA. SATA and PATA are internal. There is no such thing as ePATA.
Which storage unit of measurement refers to millions of Gigabytes?
A. MB B. GB
C. PB D. TB
C. PB
A petabyte (PB) is approximately one million gigabytes. A megabyte (MB) is one million bytes, a gigabyte is one billion bytes, and a terabyte (TB) equates to one trillion bytes.
What type of connector does a modem use?
A. PS/2 B. RJ-45
C. 3.5 mm D. RJ-11
D. RJ-11
PS/2 is an old port used for keyboards and mice. RJ-45 is used for wired Ethernet networking. The 3.5-mm connector is used for audio ports.
A video camera that works only when connected to a computer is a:
A. Scanner B. Digital video camera
C. Megapixel camera D. Webcam
D. Webcam
A scanner is not a video camera. A digital video camera can be removed from a computer and used independently. A megapixel camera is a still camera that supports at least 1 million pixels in resolution.
How can a single DVD hold more than 4.7 GB of data? (Choose all that apply.)
A. Multiple actuator arms B. Multiple sides
C. Multiple layers D. High-density recording
B. Multiple sides C. Multiple layers
A DVD can have multiple sides and multiple layers. Optical drives do not have actuator arms. DVDs cannot have higher-density recordings than the standard for DVDs.
Which of these is an ad hoc network?
A. PATA B. NAS
C. RAID D. Direct link with crossover cable
D. Direct link with crossover cable
One kind of ad hoc network is a direct connection between two PCs using a crossover cable. PATA is a technology for an internal local hard drive connection. NAS is network-attached storage. RAID combines multiple hard disks into a single logical pool of storage.
The USB connector that plugs into a full-size printer is:
A. Type-A B. Type-B
C. Mini-B D. Micro-B
B. Type-B
Type-A is the standard full-size USB connector on a PC. Mini-B and Micro-B plug into smaller devices.
A receipt printer on a cash register is likely to be what kind of printer?
A. Inkjet B. Laser
C. LED D. Thermal
D. Thermal
Thermal printing is common on cash registers because of the low cost of consumables. The other answer choices are types of printers but not the most likely choice for a cash register.
Which type of optical disc is rewriteable multiple times?
A. DVD-ROM B. BD
C. CD-RW D. BD-R
C. CD-RW
Rewriteable discs end in RW or RE. Discs that are not writeable end in ROM. Discs that are writeable only once end in R.
Which of these is a secure protocol for transferring files?
A. SFTP B. FTP
C. HTTP D. USB
A. SFTP
SFTP is a secure form of File Transfer Protocol (FTP). HTTP is the protocol for web pages. USB is a type of external port on a PC.