What type of virus uses computer hosts to reproduce itself?
Time bomb
Worm
Melissa virus
Macro virus
Correct Answer :
B. Worm
Related Questions
You organize files by storing them in
archives
folders
indexes
lists
IBM System/360 is
Mainframe Computer
Mini Computers
Micro Computers
None of above
Computers manipulate data in many ways, and this manipulation is called________
upgrading
processing
batching
utilizing
An optical input device that interprets pencil marks on paper media is
OMR
Punch card reader
Optical scanners
Magnetic tape
An index register that is automatically incremented or decremented with each use is
Auto index
Asynchronous
Assembler
Compiler
A language which is close to that used within the computer is
High-level language
Assembly language
Low-level language
All of the above
A program that converts computer data into some code system other than the normal one is known as
Encoder
Simulation
Emulator
Coding
Which of the following is the coding of data so that is can't be easily understood if intercepted.
Barcode
Decoder
Encryption
Mnemonics
Number crunchier is the informal name for
Minicomputer
Super computer
Microcomputer
Mainframe computer
Which statement is valid about interpreter?
It translates one instruction at a time
Object code is saved for future use
Repeated interpretation is not necessary
All of above
The storage subsystem in a microcomputer consists mainly of __ or __ media with varying capacities
Memory or video
Magnetic or optical
Optical or memory
Video or magnetic
The main electronic component used in first generation computers was
Transistors
Integrated Circuits
None of above
Vacuum Tubes and Valves
The first firm to mass-market a microcomputer as a personal computer was
IBM
Super UNIVAC
Radio Shaks
Data General Corporation
The original ASCII code used__bits of each byte, reserving that last bit for error checking
5
6
7
8
Which of the following computer language is used for artificial intelligence?
FORTRAN
PROLOG
C
COBOL
What is System Analysis?
The design of the screen the user will see and use to enter or display data
System analysis defines the format and type of data the program will use
System Analysis involves creating formal model of the problem to be solved
None of the above
The most important advantage of a video disk is
Compactness
Potential capacity
Durability
Cost effectiveness
In a computer, most processing takes place in
Memory
RAM
motherboard
CPU
Which of the following is valid statement?
Data in itself is useless unless it is processed
The data that is processed is called a program
The data which is not yet processed is information
Information is processed by computer to generate data.
Computers process data into information by working exclusively with :
multimedia
word
numbers
characters
The examination and changing of single bits or small groups of his within a word is called
Bit
Byte
Bit manipulation
Bit slice
The tracks on a disk which can be accessed without repositioning the R/W heads is
Surface
Cylinder
Cluster
All of the above
Which of the following is a part of the Central Processing Unit?
Printer
Key board
Mouse
Arithmetic & Logic unit
Which of the following is first generation of computer?
EDSAC
IBM-1401
CDC-1604
ICL-2900
A kind of scanner MICR is the short form of
Magnetic Ink Character Reader
Magnetic Ink Code Reader
Magnetic Ink Cases Reader
None
The ALU of a computer responds to the commands coming from
Primary memory
Control section
External memory
Cache memory
Codes consisting of light and dark marks which may be optically read is known as
Mnemonics
Bar code
Decoder
All of the above
Which is considered a direct entry input device?
Optical scanner
Mouse and digitizer
Light pen
All of the above
Charles Babbage was awarded by Royal Society for his
Difference Engine
Analytic Engine
Binary System in Analytic Engine
His concept of input, mill, output and storage
Programs designed to perform specific tasks is known as
system software
application software
utility programs
operating system