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Name:    Chapter four Study Guide

True/False Indicate whether the sentence or statement is true or false.
T F	1.	By itself, a bit is very informative.
T F	2.	Level 2 (L2) cache, or external cache, is slightly faster than L1 cache but has a much smaller capacity.
T F	3.	PC Cards are different lengths and widths, and fit in varying PC Card slots.
T F	4.	Unlike other cards that can be changed without having to open the system unit or reset the computer, a PC Card or flash memory card requires the system unit to be opened and the card installed onto the motherboard.
T F	5.	Female connectors have one or more exposed pins, like the end of an electrical cord that is plugged into the wall.
T F	6.	Similar to their desktop counterparts, notebook computers and handheld computers have a system unit that contains electronic components that processes data.
Multiple Choice Identify the letter of the choice that best completes the statement or answers the question.
A B C D	7.	In the accompanying figure, the __________ is the system unit component that interprets and carries out the basic instructions that operate a computer. a. port c. expansion card b. processor d. memory module
A B C D	8.	In the accompanying figure, a(n) __________ is a package that temporarily holds data and instructions while they are being processed by the CPU. a. port c. expansion card b. processor d. memory module
A B C D	9.	In the accompanying figure, devices outside the system unit are attached to __________ on the system unit by cables. a. ports c. expansion cards b. processors d. memory modules
A B C D	10.	__________ is the process of carrying out commands. a. Fetching c. Decoding b. Storing d. Executing
A B C D	11.	Motorola processors __________. a. have the same internal design, or architecture, as Intel processors b. combine functions of a CPU, memory, and a video card on a single chip c. are used in Apple Macintosh and Power Macintosh systems d. are used primarily in workstations and high-end servers
A B C D	12.	For __________, Motorola introduced a new processor architecture that increased the speed of the computer. a. Internet appliances c. workstations and low-end servers b. less expensive, basic PCs d. Apple’s PowerPC
A B C D	13.	The __________ is a coding scheme used primarily on mainframe computers. a. American Standard Code for Information Interchange (ASCII) b. Universal System Code for Data Exchange (USCDE) c. Extended Binary Coded Decimal Interchange Code (EBCDIC) d. Contracted Unit Coded Hexadecimal Transaction Code (CUCHTC)
A B C D	14.	A __________ is equal to exactly 1,024 bytes, but computer users often round down to 1,000 bytes to make memory and storage definitions easier to identify. a. dekabyte (abbreviated DB or D) c. kilobyte (abbreviated KB or K) b. centibyte (abbreviated CB) d. megabyte (abbreviated MB)
A B C D	15.	A single inline memory module (SIMM) is different from a dual inline memory module (DIMM) because __________. a. SIMMs typically use RDRAM chips, but DIMMs use SDRAM chips b. with a SIMM, the pins on opposite sides of the circuit board connect together to form a single set of contacts c. SIMMs typically use SDRAM chips, but DIMMs use RDRAM chips d. with a SIMM, the pins on opposite sides of the circuit board do not connect and thus form two sets of contacts
A B C D	16.	If a manufacturer states access time in megahertz (MHz), it can be converted to nanoseconds by __________. a. dividing the megahertz number into 1 million ns b. multiplying the megahertz number by 1 million ns c. dividing the megahertz number into 1 billion ns d. multiplying the megahertz number by 1 billion ns
A B C D	17.	__________ are PC Cards used to house devices such as hard disks. a. Type I cards c. Type III cards b. Type II cards d. Type IV cards
A B C D	18.	A musical instrument digital interface, or MIDI, port __________. a. is a special type of serial port that connects the system unit to a musical instrument b. can connect up to 127 different peripheral devices with a single connector type c. is a special high-speed parallel port used to attach peripheral devices d. allows wireless devices to transmit signals to a computer via infrared light waves
A B C D	19.	The universal serial bus (USB) and 1394 bus are __________. a. buses designed by Intel to improve the speed with which 3-D graphics and video transmit b. the most common and slowest expansion buses c. buses that eliminate the need to install cards into expansion slots d. high-speed expansion buses that connect higher speed devices
A B C D	20.	Similar to their desktop counterparts, notebook computers and handheld computers have a system unit that __________. a. cannot run using a standard power supply b. usually is less expensive than desktop computers with the same capabilities c. contains electronic components that processes data d. houses devices such as the keyboard, pointing devices, speakers, and display