TEST CHAPTERS 1 & 2 OPERATING SYSTEMS
True/False
Indicate whether the statement is true or false.
____ 1. Changes that you make in virtual machines do not affect your physical computer.
____ 2. The size of a bus determines how much data can be transmitted at one time.
____ 3. Like RAM memory, mass storage devices do not retain data when the computer is turned off.
____ 4. Peripheral devices are internal to the PC.
____ 5. All modern operating systems support multithreading and multitasking.
____ 6. You cannot access the command-line interface (CLI)in Windows XP.
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____ 7. The ____, which is located in the desktop computer case, is the main circuit board for a PC.
a. PCI bus c. microprocessor
b. motherboard d. ROM chip
____ 8. ____, which is located in the desktop computer case, is the electronic holding area for programs and data.
a. The power supply c. Memory
b. The cooling system d. Firmware
____ 9. The microprocessor in a PC has a heat ____ attached to dissipate generated heat.
a. source c. gauge
b. transformer d. sink
____ 10. ROMs, PROMs, EPROMs, and EEPROMs that have programs recorded on them are____.
a. demoware c. firmware
b. middleware d. shareware
____ 11. You can identify the ____ ports on the back of a PC by checking for male connectors.
a. virtual c. parallel
b. serial d. USB
____ 12. A disk drive ____ controls the transfer of data from a motherboard to a disk drive and vice versa.
a. mapper c. controller
b. regulator d. manager
____ 13. ____ drives are small, portable drives that use flash memory or external hard drives to store data for backup or transfer between PCs.
a. USB c. Optical
b. Tape d. Floppy
____ 14. A(n) ____ hard drive is a disk drive that is plugged into an external port on a computer, such as a USB or FireWire port.
a. fixed c. internal
b. portable d. supplementary
____ 15. ____ are designed for the input of text and to control the operation of the computer.
a. CRT monitors c. Printers
b. Keyboards d. Storage devices
____ 16. Like televisions, screen sizes of CRT monitors are measured in diagonal ____.
a. pixels c. millimeters
b. inches d. centimeters
____ 17. Each crystal in a(n) ____ display is like a shutter, either allowing light to pass through or blocking the light.
a. plasma panel c. LCD panel
b. video projector d. CRT monitor
____ 18. In addition to the line voltage and capacitors, the flyback transformer, which generates up to ____ volts, is a dangerous part of the monitor.
a. 1,000 c. 10,000
b. 5,000 d. 20,000
____ 19. When connecting a LAN cable to a tower case, place it in the ____ connector.
a. DB-15 female c. RJ-45 black
b. green 6-pin d. purple 6-pin
____ 20. Kernel ____ can be dynamically linked to the kernel when needed, and they can be unlinked from the kernel and removed when they are no longer needed.
a. servers c. modes
b. modules d. interfaces
____ 21. In the kernel mode of Windows XP, the ____ provide(s) basic OS, such as memory management, process and thread management, and security.
a. Executive c. Device drivers
b. Kernel d. Hardware abstraction layer
____ 22. In the Fedora Core 4 system, the ____ enforces a policy that ensures processes will have fair access to the processor, while ensuring that necessary hardware actions are performed by the kernel on time.
a. Memory Manager (MM) c. Process scheduler (SCHED) b. Virtual File System (VFS) d. Network interface (NET)
____ 23. In ____ multitasking, the OS executes an application for a specific period of time, according to its assigned priority.
a. cooperative c. voluntary
b. preemptive d. centralized
____ 24. In ____ multiprocessing systems, several CPUs execute programs and distribute the computing load over a small number of identical processors.
a. cooperative c. symmetric
b. synchronous d. delegated
____ 25. The amount of memory that can be addressed by the processor is called ____ memory.
a. logical c. random
b. physical d. upper
____ 26. In DOS, you use the ____ command to create a partition and the format command to prepare the partition for use.
a. fdisk c. scandisk
b. chkdsk d. diskcomp
____ 27. Fedora Core 4 organizes files in a hierarchical structure similar to Windows XP, but uses the term ____ in- stead of folders.
a. containers c. organizers
b. trees d. directories
____ 28. Windows-based operating systems support file-sharing traffic across a network by using the ____ communi- cations protocol.
a. Samba c. TCP/IP
b. Server Message Block (SMB) d. FTP
____ 29. In Windows XP, the ____ is a hierarchical database that contains configuration entries.
a. Record c. Registry
b. Index d. Listing
____ 30. You must edit the /etc/sudoers configuration file using the ____ command.
a. mount c. type
b. cat d. visudo
____ 31. The ____ file in Fedora Core 4 contains information about the processor.
a. tasks c. sudoers
b. cpuinfo d. processes
____ 32. From the ____ tab of the Task Manager in Windows XP, you can quickly review your computer’s CPU usage and page file (PF) usage.
a. Applications c. Performance
b. Processes d. Networking
____ 33. The OpenOffice.org application called ____ is a word processor that has a similar look and feel to Microsoft Word.
a. Writer c. Works
b. WordPerfect d. Pages
Completion
Complete each statement.
34. The ____________________ contains a set of instructions designed to perform such tasks as arithmetic (adding, subtracting), logic operations (comparing two numbers), and transferring numbers from one register to another.
35. Like the floppy drive, ____________________ drives read and write on magnetic media.
36. A(n) ______________________________ is an expansion board that you insert into a computer so that the computer can be connected to a local area network (LAN).
37. ______________________________ is the rapid discharge of static electricity from one conductor to another conductor of a different potential.
38. The ____________________ is the core of the operating system.
39. New operating systems like Windows XP and Fedora Core 4 were designed to allow multiple programs to run at the same time on a single processor, a process called ____________________.
40. ____________________ devices can be accessed as streams of characters; examples include the standard in- put device (the keyboard) and the standard output device (the screen, or monitor).
41. In Fedora Core 4, you can use the ____________________ command to review processor activity in real time.
42. ____________________ is software that is available free of charge for personal use.
Matching
Match each item with a statement below.
a. serial port f. register
b. SCSI (small computer system interface) g. mouse
c. power supply h. microprocessor
d. capacitors i. floppy drive
e. sound adapter
____ 43. the central processing unit (CPU) for the PC.
____ 44. converts your office’s or household’s 110-volt alternating current (AC) to the various direct current (DC) lev- els required by your PC.
____ 45. a small amount of high-speed memory.
____ 46. transfers data in or out one bit at a time.
____ 47. an adapter card that records and plays back sound.
____ 48. parallel interface standard used for attaching peripheral devices to PCs.
____ 49. stores and retrieves digital data from a magnetic surface on the disk.
____ 50. consists of a metal or plastic housing, a ball that protrudes from the bottom of the housing and is rolled on a flat surface, and one or more buttons on the top of the housing.
____ 51. electronic components within PC power supplies, monitors, and laser printers that may retain a charge long after power is removed from a circuit.
Match each item with a statement below.
a. spooler f. home directory
b. Task Manager g. top command
c. virtual memory h. text editor
d. Impress i. monolithic kernel
e. page map
____ 52. provides a high-level virtual interface over the hardware of a PC.
____ 53. allows Fedora Core 4 to support processes that use more memory than is available in the system.
____ 54. an internal data structure used to translate virtual addresses into corresponding physical addresses.
____ 55. manages queues of print jobs.
____ 56. user’s data storage location that is provided by the OS.
____ 57. allows you to enter, modify, and delete data in a text file.
____ 58. used in Windows XP to view useful information about system performance. ____ 59. used in Fedora Core 4 to review processor activity in real time.
____ 60. a presentation program that is similar to Microsoft PowerPoint.