First generation
Second generation
Third generation
Fourth generation
C. Third generation
RAM
ROM
CPU
PC
Compact size; speed readability
Compact size, speed
Readability; speed
Low cost; readability
Fast
Powerful
Infallible
Cheap
DTE
DASD
DDE
DDE
They are always big numbers
Any no. of 0's can be added in front of them
Binary base is small
0's and l's have to be properly spaced apart
ALU
CU
Memory
None of above
First generation
Second generation
Fourth generation
Third generation
Howard Aikin
J. P. Eckert
John Mauchley
John v. Atanasoff
Because it was invented before electronic computers were developed
Because there are wheels, drums, bars to rotate and move to produce result
Because they use the flow of electrons in different component
None of above
System Programs
BIOS
CP
Memory
Input
Storage unit
Logic unit
Control unit
High level language
Medium level language
Low level language
All of the above
Single side single density
Single side double density
Both of above
None of above
Mnemonics
Bar code
Decoder
All of the above
Direct
Sequential
Both of the above
None of the above
They were larger in size
They consumed a lot of electricity
They produced heat and often burned out
The operation cost was high
kilobyte
petabyte
terrabyte
gigabyte
Input unit
Output unit
ALU
Control Unit
2
10
8
16
Breadboard
Motherboard
Daughter board
Grandmother board
Semiconductor memory
Registers
Hard disks
Magnetic disk
Computer Tabulating Recording Co.
The Tabulator Ltd.
International Computer Ltd.
None of above
Distributed
free
centralized
none of these
Mechanical
Electro-Mechanical
Electronic
For reliability it does not matter. So all of above are reliable
1024 bytes
1024 kilobytes
1024 megabytes
1024 gigabyte
Codes
Mnemonics
Assembler
All of the above
PROLOG
APL
Army
PL/1
Information
Floppies
Data
Word
One bit
Four bits
Eight bits
Sixteen bits
Genetics
Control and communication
Molecular biology
Biochemistry