First generation computers used _________ for memory
vacuum tubes
silicon chips
magnetic drum
RAM
Correct Answer :
C. magnetic drum
Related Questions
The most common type of storage devices are-
Steel
optical
magnetic
flash
The two major types of computer chips are
External memory chip
Primary memory chip
Microprocessor chip
Both b and c
What was the expected feature of fifth generation computers when Japan started FGCS?
Operating Systems
Paralled Processing
ULSI
None of above
What is the first stage in software development?
Specification and design
Testing
System Analysis
Maintenance
MAN stands for
Maximum Area Network
Minimum Area Network
Main Area Network
Metropolitan Area Network
When did arch rivals IBM and Apple Computers Inc. decide to join hands?
1978
1984
1990
1991
What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time?
Bus control
Interrupts
Bus arbitration
Status
Multi user systems provided cost savings for small business because they use a single processing unit to link several
Personal computers
Workstations
Dumb terminals
Mainframes
A system is
an integration of different units so as to achieve an objective
input unit
input and output unit
input, output and storage units
The processing speed of first generation computers was
milliseconds
microseconds
nanoseconds
picoseconds
In 1999, the Melissa virus was a widely publicised:
E-mail virus.
Macro virus.
Trojan horse.
Time bomb.
While inserting a diskette into the diskette drive of a PC, the diskette's label side should face
East
North
South
Up
To access properties of an object, the mouse technique to use is-
Dragging
dropping
right-clicking
shift-clicking
An output device that uses words or messages recorded on a magnetic medium to produce audio response is
Magnetic tape
Voice response unit
Voice recognition unit
Voice band
As compared to the secondary memory, the primary memory of a computer is
Large
Cheap
Fast
Slow
Which type of system puts the user into direct conversation with the computer through a keyboard?
Real time processing
Interactive computer
Batch processing
Time sharing
Which computer has been designed to be as compact as possible?
Mini
Super computer
Micro computer
Mainframe
A disadvantage of the laser printer is
It is quieter than an impact printer
It is very slow
The output is of a lower quality
None of the above
Tape speed is measured in
Feet per second
Inch per second
Meter per second
Centimeter per second
Which of the following is the largest unit?
data
field
record
database file
The first general purpose electronic digital computer in the world was
UNIVAC
EDVAC
ENIAC
All of above
Personnel who design, program, operates and maintains computer equipment refers to
Console-operator
Programmer
Peopleware
System Analyst
Todays computer giant IBM was earlier known by different name which was changes in 1924. What was that name?
Tabulator Machine Co.
The Tabulator Ltd.
Computing Tabulating Recording Co.
International Computer Ltd.
When did IBM introduce the 20286 based PC/AT?
1982
1984
1985
1989
An example of a digital device can be
Digital clock
Automobile speed meter
Clock with a dial and two hands
All of the above
Which access method is used for obtaining a record from a cassette tape?
Direct
Sequential
Random
All of the above
What is a light pen?
Mechanical Input device
Optical input device
Electronic input device
Optical output device
Which of the following IC was used in third generation of computers?
SSI
MSI
LSI
Both a and b
DOS stands for
Disk Operating System
Disk operating session
Digital Operating System
Digital Open system
The 2's compliment of a binary no. is obtained by adding________to its 1's compliment.
0
1
10
12