Answer:
The definition of a class Telephone is given as
public class Telephone // class telephone
{
String number; // variable number of type string
static int quantity = 250;
// variable quantity of type int
static double total = 1565.92; // variable total of type double
}
Explanation:
Following is the description of Statement
- Create a class "Telephone" by using the keyword class.In that class we declared data member .
- We declared a variable "number" of type "string" which has no constructor.
- We declared a variable "quantity" of type "int" which is a static type variable. The static type variable retains the value during the program execution.
- We declared a variable "total" of type "double" which is a static type variable. The static type variable retain the value during the program execution .
Answer:
A. 243
B. True
C. 0
Explanation:
Macro instruction is a line of coding used in computer programming. The line coding results in one or more coding in computer program and sets variable for using other statements. Macros allows to reuse code. Macro has two parts beginning and end. After the execution of statement of quiz4 x, 4 the macro x will contain 243. When the macro is invoked the statement will result in an error. When the macro codes are executed the edx will contain 0. Edx serve as a macro assembler.
Answer:
C) Hardware, Software, People
Explanation:
System design is the determination of the overall system architecture-consisting of a set of physical processing components, Hardware, Software, People and the communication among them-that will satisfy the system’s essential requirements.
Answer:
Hackers frequently spend long hours examining the types and structures of targeted systems because they must use guile, or fraud to bypass the controls placed on information owned by someone else.
Explanation
The perception of a hacker has evolved over the years.
- The traditional hacker profile was a male, aged 14 to 18.
- 76% of hackers are men whose ages are between 14 years (8%) to 50 (11%). The average age is 35 years (43%).
- A hacker is persevering, patient, creative, bright and having a passion for what he does.
- Hackers today can be expert or novices.
- The experts create the software and schemes to attack computer systems.
- While the novices merely use software created by the experts.
Collectively, skills like the ones listed above are Technical skills. These skills refer to the Knowledge and ability to perform specific tasks. However, Soft skills are also important, because they relate to the ability to interact and communicate effectively with people.
