Which statement is valid about magnetic tape?
It is a plastic ribbon
It is coated on both sides with iron oxide
It can be erased and reused
All of above
Correct Answer :
D. All of above
Related Questions
A state. is a bi-stable electronic circuit that has
Multivibrator
Flip-flop
Logic gates
laten
Which of the following require large computers memory?
Imaging
Graphics
Voice
All of Above
Which of the following is intended to be used in all applications runs on mainframe computers.
LOGO
APL
PL/1
OCCAM
The full form of ALU is
Arithmetic Logic Unit
Array Logic Unit
Application Logic Unit
None of above
_______ computers are also called personal computers
Mainframe Computer
Mini Computers
Micro Computers
Super Computers
Symbolic languages were developed in
1962
1950
1974
1980
A set of flip flops integrated together is called ____
Counter
Adder
Register
None of the above
In most IBM PCs, the CPU, the device drives, memory expansion slots and active components are mounted on a single board. What is the name of this board?
Breadboard
Motherboard
Daughter board
Grandmother board
Which of the following class of computers cannot support multiple users simultaneously?
Mainframe Computer
Mini Computers
Micro Computers
All of them can support
Software in computer
Enhances the capabilities of the hardware machine
Increase the speed of central processing unit
Both of above
None of above
Which device is required for the Internet connection?
Joystick
Modem
CD Drive
NIC Card
When was Pascaline invented?
1617
1620
1642
1837
A fault in a computer program which prevents it from working correctly is known as
Boot
Bug
Biff
Strap
The two major types of computer chips are
External memory chip
Primary memory chip
Microprocessor chip
Both b and c
Which characteristic of computer distinguishes it from electronic calculators?
Accuracy
Storage
Versatility
Automatic
A section of code to which control is transferred when a processor is interrupted is known as
M
SVC
IP
MDR
1 Byte =?
8 bits
4 bits
2 bits
9 bits
Which of the following computer implemented binary numbers, perform calculations using electronics and implemented separate computation and memory for the first time?
Mark I
ABC
Z3
None of above
RAM stands for
Random origin money
Random only memory
Read only memory
Random access memory
The tracks on a disk which can be accessed without repositioning the R/W heads is
Surface
Cylinder
Cluster
All of the above
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
The computer size was very large in
First Generation
Second Generation
Third Generation
Fourth Generation
Programs designed to perform specific tasks is known as
system software
application software
utility programs
operating system
Which of the following is used only for data entry and storage, and never for processing?
Mouse
Dumb terminal
Micro computer
Dedicated data entry system
The secondary storage devices can only store data but they cannot perform
Arithmetic Operation
Logic operation
Fetch operations
Either of the above
In latest generation computers, the instructions are executed
Parallel only
Sequentially only
Both sequentially and parallel
All of above
A program that performs a useful task while simultaneously allowing destructive acts is
Worm.
Trojan horse.
Virus.
Macro virus.
A term used to describe interconnected computer configuration is
Multiprogramming
Modulation
Multiprocessing
Micro program sequence
Which of the following memories has the shortest access times?
Cache memory
Magnetic bubble memory
Magnetic core memory
RAM
Which statement is valid about computer program?
It is understood by a computer
It is understood by programmer
It is understood user
Both a & b