Đáp án
120
Reading
Technical specifications Use
CD.ROM Can store a lot of
information 650 MB Economical way of
sharing Information Cant write anything to it
Used to store software, dictionaries, multimedia
databases, etc. Can play music CDs
CD.Recorder Allows you to create
CDs in a format that can be read by a CD-R drive or a
regular CD-ROM drive. Come in tWo different forms: CD-R
recordable and CD-RW rewritable
To back up hard disks or to distribute and archive
information
DVD A DVD-ROM can hold
17 GB, about 25 times an ordinary CD-ROM. Its a read-
only device. There are also DVD rewritable drives
To store multimedia software and complete
Hollywood movies Can also play music
CDs and CD-ROMs
Magneto-optical es both Use both a laser and an
electromagnet to record information
MO disks are rewritable Ideal for back-up and
portable mass storage
Discourse cohesion A. Reference signals
1. they refers to optical disks 2. which refers to the fact that.one CD can replace 300,000 pages of text about 500
floppies .
3. you has an indefinite usage here, meaning people in general. The use of you is informal, often
preferred to one, which is formal.
4. it refers to a CD-ROM disk 5. that refers to CD-RW disks
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121
B Connectors and modifiers
a. Showing contrast: However, Yet b. Explaining causes and results: Thus, For this reason
c. Adding new ideas: Besides, In addition
Speaking Suggested answers
1. A hard disk 2. A tape drive or a removable cartridge drive
3. ACD-ROM 4. An erasable optical disk system
5. A Digital Video Disk-ROM
V 1.
1. software, 2. system software 3. applications software, 4. operating system
2. Reading
1. MS-DOS Microsoft Disk Operating System. 2. Outlook Express
3. The function of the Finder is to display the Macintoshs desktop and to enable the user to work with disks, programs and files.
4. Multitasking means that several tasks are performed at the same time. 5. UNIX
6. Unux 7. Open VMS
8. Java OS
3. Basic DOS commands
1.d 2. c
3. e 4. g
5. b 6. h 7. f 8. a
4. Quiz
1. The operating system 2. Applications programsApplications software
3. Microsoft Disk Operating System 4. COPY
5. Hundreds of routines are inside the ROM chips. Other parts of the OS are kept inside the System file and the Finder in the System folder.
6. Sequence of instructions 7. IBM
