... library has class
templates for I/O
–
basic_istream (stream input)
–
basic_ostream (stream output)
–
basic_iostream (stream input and output)
•
typedef declares alias for data
type
–
typedef Card ... character positions for output
•
Maximum number of characters that should be input
–
Returns previous width
–
Fill characters/Padding
•
Used when output too small for width
•
Large outputs are printed ... the output width.
2003 Prentice Hall, Inc. All rights reserved.
11
•
C++ file processing similar
–
Class templates
•
basic_ifstream (file input) ...
... dữ liệu
Ví dụ về ByteArray Input/ Output Stream
Lớp FileInputStream
•
Constructors
FileInputStream (File f) // f đã có
FileInputStream (FileDescriptor fdesc)
FileInputStream (String FileName)
•
Methods
... Lớp FileInputStream, FileOutputStream
•
Là các lớp cho việc đọc/ghi file theo từng
byte vật lý.
•
Lớp FileInputStream là con của lớp
InputStream
•
Lớp FileOutputStream là con của lớp
OutputStream
... thể hóa.
Lớp ByteArrayInputStream
Lớp ByteArrayOutputStream
•
Constructors
ByteArrayInputStream(byte[] buf)
Tạo 1 a ByteArrayInputStream với bộ đệm đã có.
ByteArrayInputStream(byte[] buf,...
... true (T) or false (F)
Reading
1. F
2. F
3. F
4. T
5. F
6. F
7. F
8. T
Homework
1. What are output devices?
2. What are the advantages and disadvantages of three printers
Answer these following...
... memory-mapped I/O method for data
input/ output. This method has no dedicated data input/ output instructions such
as "data input instructions" or "data output instructions" and ... Input/ Output
In a microcomputer-applied system, you may want to know the on/off
statuses of some switches or display the current statuses using LEDs or others.
Such simultaneous input/ output ... is provided for the output only. Output data once
written is kept (output) until the next data is written. During data input, on the
contrary, the voltage signal being input to a pin is read...
... sr = new StreamReader("file.txt") ) {
}
9.2 Input/ Output
Thus far, our discussion on input/ output has been limited to standard output streams
using the System.Console class. In this ... your choice: N
chapter
9
Resource Disposal, Input/ Output,
and Threads
T
he .NET Framework provides a number of tools that support resource disposal,
input/ output, and multi-threading. Although the ... EmailFormat (from Exercise
6-2), and Input (from Exercise 6-4). Backups can be done using the “Save As " option.
188
Chapter 9: Resource Disposal, Input/ Output, and Threads
■
In fact, the...
... the persons use the services ?
Introduction for the security
Networks and exchanges of data
Computer security
The risks
Networks and exchanges of data
For the exchange of the data, we've ... services
Profitability
The agenda
Introduction for the security
Networks and exchanges of data
Computer security
The risks
The attacks
Social Engineering
Categories of attacks
Parades for the...
... connector
Card cage
Figure 2-28. Physical structure of a personal computer.
A + B
A + B
A
A
B
B
Registers
ALU input register
ALU output register
ALU
ALU input bus
Figure 2-2. The data path of a typical von ... signal
Monitor
ABC
Bus
Video
RAM
Main
memory
Video
board
A2B2C2
Figure 2-33. Terminal output on a personal computer.
Spiral groove
Pit
Land
2K block of
user data
Figure 2-24. Recording structure ... personal computer.
Pointer controlled by mouse
Window Menu
Mouse buttons
Mouse
Rubber ball
Cut
Paste
Copy
Figure 2-35. A mouse being used to point to menu items.
Computer...
... the
term computer crime in this context.
Figure 1.1 A sociolegal view of computer system activity.
6 Computer Crime, Computer Forensics, and Computer Security
The title of this book, Computer ... terrorism
Training and
certification in
computer forensics
18 Computer Crime, Computer Forensics, and Computer Security
Eugene H. Spafford is a professor of Computer Sciences at Purdue
University, ... any crime leaving computer evidence. If computer
crime is to be confined to infractions targeting computers, then there is a
need for a term such as computer- assisted crime or computer- related...
... Word (image courtesy
of
lntegraph
Corporation).
devices
and
output devices. Inputdevices transfer information
from
the
designer into
the
computer& apos;s
Central Processing Unit (CPU)
... the
scanning
is
complete.
13.6 OUTPUT DEVICES
Just
as a CAD
system requires input devices
to
transfer
information
from
the
user
to the
CPU, output
devices
are
also necessary
to
... Applying Computers
to
Design
278
13.2 HARDWARE
282
13.2.1 Input/ Output
and
Central
Processing Unit (CPU)
282
13.3
THE
COMPUTER
283
13.3.1
Computer Evolution
284
13.3.2 Categories
of
Computers
...
... following sections:
•
Categorizing Storage Devices
•
Magnetic Storage Devices
•
Optical Storage Devices
Formatted Disk
Magnetic Storage Devices - Hard Disks
•
Hard disks use multiple ...
photographs.
Optical Storage Devices
•
How Optical Storage Works
•
CD-ROM
•
CD-ROM Speeds and Uses
•
DVD-ROM
•
Other Optical Storage Devices
Optical Storage Devices –
CD-ROM Speeds and ... location
according to the clusters it occupies.
Categorizing Storage Devices
•
Storage devices hold data, even when the computer is
turned off.
•
The physical material that actually holds data...