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Operating System
1081
Computer Science Fundamentals
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Computer Science Fundamentals
A _______ is a connector showing the relationship between the representative shapes.
line
arrow
Process
box
Arrows are the connectors that show the relationship between different shapes. They also show the flow of the program.
Author:
rikazzz
Comment
Computer Science Fundamentals
An attack in which the site is not capable of answering valid request.
Smurfing
Denial of service
E-mail bombing
Ping storm
The answer is Denial of service. In case of denial of service attacks, a computer site is bombarded with a lot of messages.
Author:
rikazzz
Comment
Computer Science Fundamentals
The octal equivalent of 1100101.001010 is ______
624.12
145.12
154.12
145.21
The octal equivalent is obtained by grouping the numbers into three, from right to left before decimal and from right to left after the decimal place.
Author:
rikazzz
Comment
Computer Science Fundamentals
Tape drive is connected to and controlled by _______
Interpreter
Tape controller
CPU
Processor
The tape drive is connected to and controlled by a tape controller that interprets the commands for operating the tape drive. Certain commonly used commands are read, write, erase tape, etc.
Author:
rikazzz
Comment
Computer Science Fundamentals
Which of the following is a non-vectored input?
TRAP
RST-7.5
RST-6.5
INTR
TRAP, RST-7.5, and RST-6.5 are vectored inputs but INTR is a non-vectored input. It has the least priority and its address is provided by the user using an external device.
Author:
rikazzz
Comment
Computer Science Fundamentals
Any algorithm is a program.
True
False
The statement is false. An algorithm is represented in the form of a programming language is called a program. Any program is an algorithm but the reverse is not true.
Author:
rikazzz
Comment
Computer Science Fundamentals
The value of radix in binary number system is _____________
2
8
10
1
In a binary number system, the value of base or radix is 2. The binary system uses only two digits for the representation of numbers, therefore its base id has chosen to be 2.
Author:
rikazzz
Comment
Computer Science Fundamentals
Each personal computer has a _________ that manages the computer’s arithmetical, logical and control activities.
Microprocessor
Assembler
Microcontroller
Interpreter
Microprocessor handles all these activities. Each family of processors has its own set of instructions for handling various operations like getting input from keyboard, displaying information on a screen and performing various other jobs.
Author:
rikazzz
Comment
Computer Science Fundamentals
The examination of changing values of variables is called stepping.
True
False
The statement is false. It is called tracing. In tracing, the variables are examined wherever it value is changing.
Author:
rikazzz
Comment
Computer Science Fundamentals
Word processing software is a type of application software.
True
False
The statement is true. Since, application software are designed to do a specific job, word processing is a type of application software used for the designing of text documents.
Author:
rikazzz
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