Introduction to personal computers
Homework
January 9, 2015
Chapter 1, review questions 1-15
Chapter 2, review questions 1-15
Chapter 3, review questions 1-17
Presented by:
Bolivar Antonio Taveras

Chapter 1 review questions 1-15 Which of the following is an example of a PC? Colossus ENIAC 8088 Von Neumann Who is credited with the patent for the first computer? Eckert and Mauchly Atanasoff Microsoft Intel In the Von Neumann architecture, what two components make up the CPU?
(select the two best answers) Control unit Processor Arithmetic unit Memory What technology alleviates the problem of the “Von Neumann bottleneck”? Cache Main memory CPU Hard disk drive Which of the following are groups within the Von Neumann architecture? Working storage Monitor Output devices Permanent storage Keyboard

What are the three main connections in a transistor? (select the three best answers) Gate N-type silicon Source Drain Conductor MOSFET is the most common type of what electronic component? Vacuum tube CPU Integrated circuit Transistor Approximately how many transistors are incorporated into today’s Intel processors? Hundreds Thousands Millions Billions What made the 8088 Intel CPU special compared to its predecessors? 1MB address limit 33 MHz processor 64KB address limit 1MHz processor What does Moore’s law state? Whatever can go wrong with computers will. Processor performance doubles every one and a half to two years. Total computer memory doubles with each new computer. Hard disks will fail. Which two companies are most responsible today for the advancement of PC CPUs? (select the two best answers.) Toshiba Intel Samsung AMD Which company did IBM first hire to build their core operating system for their PCs? Intel Apple Microsoft Bell labs What company dominates the CPU and chipset market? Microsoft Asus Intel AMD Which of the following components feeds power to the internal components in a PC? Hard disk drive Motherboard Power supply AC outlet Which of the following are examples of input devices? (Select the two best answers.) Hard disk drive Keyboard Mouse Monitor

Chapter review questions 1-15 How many combinations are there in a 4-bit binary number? 4 8 16 40 24-bit color is the same as which of the following amounts of colors? 65,536 256 4,000,000,000 16,777,216 What is the binary equivalent to the decimal number 6? 11 110 1010 111 What is the binary equivalent of the decimal number 255? 00000000 01111111 11111111 11111110 What is the decimal value of 2^12? 512 1024 2048 4096

A gigabyte is equal to how many bytes in binary measurement? 2^30 2^20 2^10 2^40 In the hexadecimal numbering system, what is D equal to? 11 12 13 14 Which of the following operators is represented with the I (pipe) sign? AND OR NOT EITHER Using the binary numbering system, if A equals 1 and B equals 1, what is the solution to the following equation: A AND B. 0 1 A B You want to search for records containing “music lessons” and “computer music.” Which of the following expressions would work best? Music AND (lessons OR computer) Music AND lessons OR computer Music AND lessons NOT computer (music AND lessons) OR computer

What does the following measurement mean? 266MBps 266 megabits per second 266 megabytes per minute 266 megabytes per second 266 megabits per minute Which of the following would be faster at an identical clock speed? Parallel data transfer Serial data transfer Dial-up modem data transfer over the Internet Network adapter data transfer over the Internet What is 1GHz equal to? 1,000 Hertz 1,000,000 Hertz 1,000,000,000 Hertz 1,000,000,000,000 Hertz Which numbering system has 16 values? Binary Decimal Octal Hexadecimal What is the decimal equivalent of the binary number 11110000? 224 240 248 252

Chapter 3 review questions 1-17 Which of the following can be used with the SCSI-based technology? (Choose two.) High-performance and high-capacity hard drives Image scanners Hubs Switches What are the two ways that USB version 2.0 ports can be added to a computer? (Choose two.) Implement a USB hub Add a USB 1.1 expansion card Add a USB 2.0 expansion card Use a Ethernet hub A serial port can hook up devices such as external modems and label printers. What is this port usually called? SCSI port COM port PS/2 port Parallel port Which of the following devices can be used for a printer port, scanner, or removable media? PS/2 port Parallel port NIC card I/O port Which device is known as IEEE 1394? USB Parallel port FireWire PS/2 Some desktop systems and many of the older laptop and portable systems include a port to connect a mouse or keyboard. What is this port called? USB FireWire BIOS PS/2 What is the standard size of the audio mini-jack used by sound cards? 1 ½ inch 1/8 inch 2 ½ inch 1 inch There are currently three standards for USB ports. What are they? (Choose three.) USB 1.1 USB 3.0 USB 1.0 USB 2.0 If you run out of USB ports and need more, which of the following devices are available? (Choose all that apply.) Motherboard connectors USB hubs Add-on cards Extra PCI slots Which device still remains the primary method used to enter data and send commands to the computer? Mouse Gamepad Stylus Keyboard Which one of the following is used to transfer data into a computer by pressing on screen icons? Touch screen monitors CRT monitors LCD monitors Serial ports Which of the following are considered multimedia devices? (Choose all that apply.) Webcam Sound card Microphone All of these options are correct You are in the process of installing a new keyboard to a new PC. Which of the following is the most common type of connector to use? Serial connector PS/2 connector USB connector IEEE1394 connector What is the major difference between a laser printer and an LED printer? (Choose all that apply.) LED printers use an LED array to perform the transfer of images. LED printers use an LED drum Laser printers are of better print quality Laser printers use a laser to transfer the image to the drum Most inkjet, laser, and thermal printers use this interface to connect a printer to a computer. (Choose two.) RJ-45 USB Parallel LED What are the three major types of display devices that are in use in today’s industry? (Choose all that apply.) CRT monitors LCD monitors Data projectors USB monitors Identify three types of video connectors. VGA type DMI type HDMI type USB type

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