Which of the following is not true for a magnetic disk?
It is expensive relative to magnetic tape
It provides only sequential access to stored data
Users can easily update records by writing over the old data
All of above
Correct Answer :
B. It provides only sequential access to stored data
Related Questions
The output quality of a printer is measured by
Dot per sq. inch
Dots per inch
Dots printed per unit time
All of the above
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
Computer operators
writes computer programs for specific problems
operate the device which input and output data from the computer
normally require a college degree in computer science
all of the above
Who is credited with the idea of using punch cards to control patterns in a waving machine?
Pascal
Hollerith
Babbage
Jacquard
RAM can be treated as the ________ for the computer's processor
factory
operating room
waiting room
planning room
The task of performing operations like arithmetic and logical operations is called
Processing
Storing
Editing
Sorting
One of the popular mass storage device is CD ROM. What does CD ROM stand for?
Compactable Read Only Memory
Compact Data Read Only Memory
Compactable Disk Read Only Memory
Compact Disk Read Only Memory
Examples of output devices are
Screen
Printer
Speaker
All of these
Which characteristic of computer distinguishes it from electronic calculators?
Accuracy
Storage
Versatility
Automatic
The full form of ALU is
Arithmetic Logic Unit
Array Logic Unit
Application Logic Unit
None of above
An application suitable for sequential processing is
Processing of grades
Payroll processing
Both a and b
All of above
Which of the following is not anti-viruses software?
NAV
F-Prot
Oracle
McAfee
Which one of the following is NOT a computer language
MS-Excel
BASIC
COBOL
C++
Junk e-mail is also called
spam
spoof
sniffer script
spool
Apple company used chips from for its computers
Intel
Motorola
Both of above
None of above
Algorithm and Flow chart help us to
Know the memory capacity
Identify the base of a number system
Direct the output to a printer
Specify the problem completely and clearly
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
Daisy wheel, Drum, chain etc are the ________
Flow chart
Mouse
Key board
Printers
An intentionally disruptive program that spreads from program to program or from disk to disk is known as a:
Trojan horse.
Virus.
Time bomb.
Time-related bomb sequence.
The first web browser is
Mosaic
Netscape
Internet explorer
Collabra
A memory that does not change its contents without external causes is known as
Dynamic memory
Static memory
RAM
EEPROM
What type of resource is most likely to be a shared common resource in a computer Network?
Printers
Speakers
Floppy disk drives
Keyboards
IBM 1401 is
First Generation Computer
Second Generation Computer
Third Generation Computer
Fourth Generation Computer
Which of the following is a programming language?
Lotus
Pascal
MS-Excel
Netscape
Which of the following was a special purpose computer?
All of the above
ENIAC
EDVAC
ABC
Which of the following is an example of fifth generation computer?
PIM/m
ICL 2950
IBM 1401
None of above
Which of the following programming language started from second generation?
COBOl
BASIC
C
LISP
What is the main difference between a mainframe and a super computer?
Super computer is much larger than mainframe computers
Super computers are much smaller than mainframe computers
Supercomputers are focused to execute as many programs as possible while mainframe uses its power to execute few programs as fast as possible.
Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently
Collecting personal information and effectively posing as another individual is known as the crime of:
Spooling.
Identity theft.
Spoofing.
Hacking.
What was the name of the first commercially available microprocessor chip?
Intel 308
Intel 33
Intel 4004
Motorola 639