Chapter 9: Behind the Scenes: Inside the Systems Unit

1.	The electronic switch in the ENIAC was a(n):
2.	Transistors are an improvement over vacuum tubes because transistors:
3.	Another word for an integrated circuit is:
4.	The binary number 101010 translates into the decimal number:
5.	The binary representation of the decimal number 255 is:
6.	The number system with 16 digits is:
7.	ASCII is a:
8.	Motorola is well known for making chips for ____________ computers.
9.	The number of transistors in current PC-based CPUs is in the:
10.	The first step in the CPU machine cycle is:
11.	The purpose of cache is to:
12.	A storage capacity of 8 kilobytes is characteristic of:
13.	The execution stage of the machine cycle is performed by the:
14.	Data transferred between the CPU and RAM travels along the:
15.	Processing multiple instructions simultaneously, each at a different stage in the machine cycle, is referred to as:
16.	Today’s fastest supercomputers operate tens of thousands of times faster than a typical desktop PC.     True False
17.	The Unicode character standard requires less space for a character representation than an ASCII character representation.     True False
18.	All CPUs have the same instruction set.     True False
19.	The ALU is responsible for fetching and decoding instructions.     True False
20.	Cache memory is usually DRAM.     True False
21.	Match the following terms to their correct descriptions:   Using the pulldown boxes, match each item on the left to the corresponding item at right. A. programming language B. machine cycle synchronizer C. number of bits that can travel between RAM and CPU in a single fetch D. used in Decode stage E. expansion bus F. Switch Choice A Choice B Choice C Choice D Choice E Choice F Bus width Choice A Choice B Choice C Choice D Choice E Choice F System clock Choice A Choice B Choice C Choice D Choice E Choice F Peripheral Component Interface (PCI) Choice A Choice B Choice C Choice D Choice E Choice F Transistor Choice A Choice B Choice C Choice D Choice E Choice F Assembly language Choice A Choice B Choice C Choice D Choice E Choice F Instruction set
Answer choices in this exercise are randomized and will appear in a different order each time the page is loaded.