________ computers operate essentially by counting
Portable computer
Hybrid computer
Analog computer
Digital computer
Correct Answer :
D. Digital computer
Related Questions
EPROM can be used for
Erasing the contents of ROM
Reconstructing the contents of ROM
Erasing and reconstructing the contents of ROM
Duplicating ROM
Which computers are used as servers for any medium sized organizations?
Mainframe Computer
Mini Computers
Micro Computers
Super Computers
All of the following are examples of storage devices EXCEPT:
hard disk drives
printers
floppy disk drives
CD drives
Through which device the main components of the computer communicate with each other?
Keyboard
System Bus
Monitor
Memory
Before a disk drive can access any sector record, a computer program has to provide the record's disk address. What information does this address specify?
Track number
Sector number
Surface number
All of above
What are the three decisions making operations performed by the ALU of a computer?
Grater than
Less than
Equal to
All of the above
How was the generation of computer classified?
By the device used in memory & processor
By the speed of computer
By the model of the computer
By the accuracy of computer
What is a light pen?
A Mechanical Input device
Optical input device
Electronic input device
Optical output device
In a computer _____ is capable to store single binary bit.
Capacitor
Flip flop
Register
Inductor
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
A modem is connected to
a telephone line
a keyboard
a printer
a monitor
The first web browser is
Mosaic
Netscape
Internet explorer
Collabra
In latest generation computers, the instructions are executed
Parallel only
Sequentially only
Both sequentially and parallel
All of above
How many bit code is used by Murray code for TELEPRINTER machines.
4
5
9
25
Which of the following computer is not invented by J.P. Eckert and John Mauchly?
ENIAC
EDVAC
UNIVAC
EDSAC
Which of the following is the largest manufacturer of Hard Disk Drives?
IBM
Seagate
Microsoft
3M
Charles Babbage is considered the father of modern computers because
of his difference engine
of his analytical engine
his concept of input, mill and output
All of above
Computers with 80286 microprocessor is
XT computer
AT comptuers
PS/2 computer
None of above
Which computer was considered the first electronic computer until 1973 when court invalidated the patent?
ENIAC
MARK I
Z3
ABC
Which programming languages are classified as low level languages?
BASIC, COBOL, Fortran
Prolog
C, C++
Assembly languages
Registers, which are partially visible to users and used to hold conditional, are known as
PC
Memory address registers
General purpose register
Flags
Which of the following statement is valid?
Lady Augusta is the first programmer
Ada is the daughter of Lord Byron, a famous English poet
ADA is a programming language developed by US Defense
All of above
Plotter accuracy is measured in terms of repeatability and
Buffer size
Resolution
Vertical dimensions
Intelligence
The list of coded instructions is called
Computer program
Algorithm
Flowchart
Utility programs
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
Which of the following is a programming language?
Lotus
Pascal
MS-Excel
Netscape
Modern Computers are very reliable but they are not
Infallible
Cheap
Powerful
Fast
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.
A group of magnetic tapes, videos or terminals usually under the control of one master is
Cylinder
Cluster
Surface
Track
Properly arranged data is called
Field
Words
Information
File