Nt1210 Chapter 1 Review Questions

1419 WordsMar 27, 20146 Pages
Chapter 1 review questions 1. Which of the following is true about 1 bit? a. Can represent decimal values 0 through 9 b. Can be used to represent one character in the lowercase English alphabet c. Represents one binary digit d. Represents four binary digits 2. Which of the following terms means approximately 106 bytes? a. Terabyte b. Megabyte c. Gigabyte d. Kilobyte 3. Which answer lists the correct number of bits associated with each term? a. 8 bits per double word b. 32 bits per word c. 64 bits per quadruple word d. 4 bits per byte 4. Which of the following answers are true about random-access memory (RAM) as it is normally used inside a personal computer? (Choose two answers.) a. Used for short-term memory b. Used for long-term memory c. Used to process data d. Connects to the CPU over a bus using a cable e. Is installed onto the motherboard 5. This chapter describes the concepts behind how a CPU reads the contents from RAM. Which of the following is true about the process of read data, as described in the chapter? a. The CPU tells the RAM which address holds the data that the CPU wants to read. b. The CPU reads all RAM sequentially, beginning with the first byte, until it happens to read the byte that the CPU wanted to read. c. The smallest unit of data that RAM supplies back to the CPU is 1 bit. d. The CPU must first find the file in the file system before reading the data. 6. A user has opened a word processor, typed the numbers 123456789, and stored the document as a file called report1. Which of the following determines, in part, what bits the computer stores in the file to represent the text typed into the report? a. Keyboard map b. Pixel grid c. Character set d. The binary equivalent of decimal 123456789 7. A user has opened a calculator

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