ANSWERS SURE A+
✔✔The collection of connectors that link the PC to various peripherals are known as:
a. terminals.
b. piers.
c. ports.
d. docks. - ✔✔c. ports
✔✔A parallel port sends ______ bit(s) of data through a connection compared with a
serial port, which can send ______ bit(s) of data.
a. 8; 2
b. 8; 1
c. 2; 8
d. 1; 8 - ✔✔b. 8;1
✔✔All of the following are used with a serial port except a:
a. mouse.
b. modem.
c. printer.
d. scanner. - ✔✔c. printer
✔✔The fastest and most versatile port is the:
a. parallel port.
b. serial port.
c. USB.
d. SCSI. - ✔✔d. SCSI
✔✔All of the following are common SCSI devices except the:
a. modem.
b. hard drive.
c. CD-ROM.
d. scanner.
, e. printer. - ✔✔a. modem
✔✔The system clock uses a:
a. lithium battery.
b. quartz battery.
c. vibrating quartz crystal.
d. vibrating lithium crystal. - ✔✔c. vibrating quartz crystal
✔✔If a PC had a 5.0-GHz CPU, it would have a system clock that would tick ______
billion times per second.
a. 1
b. 3
c. 5
d. 7 - ✔✔c. 5
✔✔Storage capacity for early hard drives was:
a. 10 GB.
b. 100 GB.
c. 10 MB.
d. 100 MB. - ✔✔c. 10 MB
✔✔The information storage capacity of a DVD is ______ times more than that of a CD.
a. 1
b. 3
c. 5
d. 7 - ✔✔d. 7
✔✔What metal is contained behind the outer layers of a DVD?
a. Silver
b. Aluminum
c. Gold
d. Platinum - ✔✔c. gold
✔✔"Write once, read many" is represented by which of the following identifiers?
a. ROM
b. RO
c. R
d. RW - ✔✔c. R
✔✔Most modern keyboards connect to the back of the box using a ______ connection.
a. PS/1
b. PS/2
c. PS/3
d. PS/4 - ✔✔b. PS/2