A person who used his or her expertise to gain access to other people's computers to get information illegally or do damage is a-
Hacker
spammer
instant messenger
programmer
Correct Answer :
A. Hacker
Related Questions
The brain of any computer system is
ALU
Memory
CPU
Control unit
174. When was the X window system born?
1984
1989
1988
1990
A Compiler is
a combination of computer hardware
a program which translates from one high-level language to another
a program which translates from one high-level to a machine level language
None of these
CD-ROM is a
Semiconductor memory
Memory register
Magnetic memory
None of above
Which of the following is called low level languages?
Machine language
Assembly language
Both of the above
None of above
Which one of the following is NOT a computer language
MS-Excel
BASIC
COBOL
C++
WAN is a most used abbreviation in Networking, what is its full form?
WAP Area Network
Wide Area Network
Wide Array of Network
Wireless Access Network
Which of the following code used in present day computing was developed by IBM Corporation?
ASCII
Hollerith Code
Baudot Code
EBCDIC Code
When was the first electro-mechanical computer developed?
1880
1990
1944
None of above
A floppy disk contains
Circular tracks only
Sectors only
Both circular tracks and sectors
None of the above
Snowbol is an/a________
Operating system
HLL
Software
Search engine
Who invented punched cards?
Charles Babbage
Dr. Herman Hollerith
Howard Aikin
Joseph Jacquard
Unwanted repetitious messages, such as unsolicited bulk e-mail is known as
Spam
Trash
Calibri
Courier
A path by which communication is achieved between a central processor and other devices is called
Audit trail
Network
Bus
Channel
An application suitable for sequential processing is
Processing of grades
Payroll processing
Both a and b
All of above
A technique used by codes to convert an analog signal into a digital bit stream is known as
Pulse code modulation
Pulse stretcher
Query processing
Queue management
A device that connects to a network without the use of cables is said to be-
Distributed
free
centralized
none of these
The brain of any computer system is
Control Unit
Arithmetic Logic Unit
Central Processing Unit
Storage Unit
Computer is free from tiresome and boardoom. We call it
Diligence
Reliability
Versatility
Accuracy
In 1999, the Melissa virus was a widely publicised:
E-mail virus.
Macro virus.
Trojan horse.
Time bomb.
When was Pascaline invented?
1617
1620
1642
1837
A number which is stored and processed but not in the standard exponential form is called
Floating point number
Fixed point number
Octal number
Decimal number
Web cam is an
input unit device
output unit device
processing device
Input and Output device
The process of starting a or restarting a computer system by loading instructions from a secondary storage device into the computer memory is called
Duping
Booting
Padding
CPS
Current SIMMs have either or connectors (pins)
9 or 32
30 or 70
28 or 72
30 or 72
Where are data and programme stored when the processor uses them?
Main memory
Secondary memory
Disk memory
Programme memory
A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is
Memory
Buffer
Accumulator
Address
What is a light pen?
Mechanical Input device
Optical input device
Electronic input device
Optical output device
A computer consists of
A central processing unit
A memory
Input and output unit
All of the above
A program that performs a useful task while simultaneously allowing destructive acts is
Worm.
Trojan horse.
Virus.
Macro virus.