Which of the following will happen when data is entered into a memory location?
It will add to the content of the location
It will change the address of the memory location
It will erase the previous content
It will not be fruitful if there is already some data at the location
Correct Answer :
C. It will erase the previous content
Related Questions
What was the name of the first commercially available microprocessor chip?
Intel 308
Intel 33
Intel 4004
Motorola 639
One millisecond is
1 second
10th of a seconds
1000th of a seconds
10000th of a seconds
The primary advantage of key-to-tape data entry system is
A large percentage of editing can be performed at the time of data entry
Key verification is easily performed
The tape is reusable
Keying errors can be detected as they occur.
When was vacuum tube invented?
1900
1906
1910
1880
What is the responsibility of the logical unit in the CPU of a computer?
To produce result
To compare numbers
To control flow of information
To do math's works
A name or number used to identify storage location devices?
A byte
A record
An address
All of above
EBCDIC stands for
Extended Binary Coded Decimal Interchange Code
Extended Bit Code Decimal Interchange Code
Extended Bit Case Decimal Interchange Code
Extended Binary Case Decimal Interchange Code
The data recording format in most of the modern magnetic tape is
7-bit ASCII
7-bit EBCDIC
8-bit ASCII
8-bit EBCDIC
A hybrid computer
Resembles digital computer
Resembles analogue computer
Resembles both a digital and analogue computer
None of the above
Which of the following does not affect the resolution of a video display image?
Bandwidth
Raster scan rage
Vertical and horizontal lines of resolution
Screen size
Identify the correct statement
IBM PCs used RISC CPU designs
Macintosh used CISC CPU design
IBM used CISC CPU design
None of above is true
Computer is free from tiresome and boardroom. We call it
Accuracy
Reliability
Diligence
Versatility
Seek time is
Time to position the head over proper track
Time to position the head over proper sector
Time to position the head over proper cylinder
None of above
A person who used his or her expertise to gain access to other people's computers to get information illegally or do damage is a-
Hacker
spammer
instant messenger
programmer
UNIVAC is
Universal Automatic Computer
Universal Array Computer
Unique Automatic Computer
Unvalued Automatic Computer
Which unit converts computer data into human readable form?
Input unit
Output unit
ALU
Control Unit
The first generation of computers available was based on the bit micro processors.
4
8
16
64
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
To move a copy of file from one computer to another over a communication channel is called?
File transfer
File encryption
File modification
File copying
Bit stands for
Binary digits
bit of system
a part of byte
All of above
Which is the highest form?
Data
Information
Knowledge
All of above
Which of the following is not true?
Transistors are much smaller
Transistors produce low heat
Transistors were less reliable
Transistors were used in radios and other electronic devices
Find out who is not the inventor of transistors among following names
John Burdeen
William Shockley
Walter Brattain
Lee de Forest
A song being played on computer speaker is
hard output
soft output
both hard and soft output
neither hard nor soft output
Which of the following are the best units of data on an external storage device?
Bits
Bytes
Hertz
Clock cycles
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
The main electronic component used in first generation computers was
Transistors
Integrated Circuits
None of above
Vacuum Tubes and Valves
What are the three decisions making operations performed by the ALU of a computer?
Grater than
Less than
Equal to
All of the above
A ________ is a microprocessor -based computing device.
personal computer
mainframe
workstation
server
Servers are computers that provide resources to other computers connected to a:
networked
mainframe
supercomputer
client