Which type of computers uses the 8-bit code called EBCDIC?
Minicomputers
Mainframe computers
Super computer
Microcomputers
Correct Answer :
B. Mainframe computers
Related Questions
Hardware or software designed to guard against unauthorized access to a computer network is known as a(n):
Hacker-proof program.
Firewall.
Hacker-resistant server.
Encryption safe wall.
Computer is free from tiresome and boardroom. We call it
Accuracy
Reliability
Diligence
Versatility
Which of the following is a storage device?
Tape
Hard Disk
Floppy Disk
All of the above
What type of virus uses computer hosts to reproduce itself?
Time bomb
Worm
Melissa virus
Macro virus
Data division is the third division of a _____ program.
COBOL
BASIC
PASCAL
FORTH
The radian of a number system
Is variable
Has nothing to do with digit position value
Equals the number of its distinct counting digits
Is always an even number
Which of the following magazines covers only the IBM PC and its compatibles?
Byte
PC Magazine
Personal Computing
Interface Age
In a computer, most processing takes place in
Memory
RAM
motherboard
CPU
The brain of any computer system is
Control Unit
Arithmetic Logic Unit
Central Processing Unit
Storage Unit
Who invented Integrated Circuits?
Jack Kilby
Robert Noyce
Both of above
None of above
Punched cards were first introduced by
Powers
Pascal
Jacquard
Herman Hollerith
Computers process data into information by working exclusively with :
multimedia
word
numbers
characters
The first general purpose electronic computer in the world was
UNIVAC
EDVAC
ENIAC
All of above
Which electronic component was made out of semiconductor material?
Vacuum tubes
Transistors
Ics
All of above
The first firm to mass-market a microcomputer as a personal computer was
IBM
Super UNIVAC
Radio Shaks
Data General Corporation
What does DMA stand for?
Distinct Memory Access
Direct Memory Access
Direct Module Access
Direct Memory Allocation
Registers which are partially visible to users and used to hold conditional codes (bits set by the CPU hardware as the result of operations), are known as
PC
Flags
Memory Address Registers
General Purpose Registers
IBM 1401 is the first computer to enter in Nepal. It belonged to
First Generation
Second Generation
Third Generation
Froth Generation
The silicon chips used for data processing are called
RAM chips
ROM chips
Micro processors
PROM chips
RAM is used as a short memory because it is
Volatile
Has small capacity
Is very expensive
Is programmable
Which device is required for the Internet connection?
Joystick
Modem
CD Drive
NIC Card
Hard disk is coated in both sides with
Magnetic metallic oxide
Optical metallic oxide
Carbon layer
All of the above
Which of the following code used in present day computing was developed by IBM Corporation?
ASCII
Hollerith Code
Baudot Code
EBCDIC Code
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
Who invented Slide Rules?
John Napier
William Oughtred
Gottfried Leibnitz
Blaise Pascal
What is a light pen?
Mechanical Input device
Optical input device
Electronic input device
Optical output device
The latest PC keyboards use a circuit that senses the movement by the change in its capacitance,
Capacitance keyboard
Mechanical keyboard
Qwerty keyboard
Dvorak keyboard
A computer consists of
A central processing unit
A memory
Input and output unit
All of the above
When did John Napier develop logarithm?
1416
1614
1641
1804
Serial access memories are useful in applications where
Data consists of numbers
Short access time is required
Each stored word is processed differently
Data naturally needs to flow in and out in serial form