The personal computer industry was started by
IBM
Apple
Compaq
HCL
Correct Answer :
A. IBM
Related Questions
Why are vacuum tubes also called valves?
Because they can amplify the weak signals and make them strong
Because they can stop or allow the flow of current
Both of above
None of above
What is the first stage in software development?
Specification and design
Testing
System Analysis
Maintenance
Personnel who design, program, operates and maintains computer equipment refers to
Console-operator
Programmer
Peopleware
System Analyst
A register organized to allow to move left or right operations is called a ____
Counter
Loader
Adder
Shift register
The central processing unit (CPU) consists of
Input, output and processing
Control unit, primary storage, and secondary storage
Control unit, arithmetic-logic unit and primary storage
Control unit, processing, and primary storage
Which device can understand difference between data & programs?
Input device
Output device
Memory
Microprocessor
Which is a semi conductor memory?
Dynamic
Static
Bubble
Both a & b
Data becomes ________ when it is presented in a format that people can understand and use
processed
graphs
information
presentation
Which is not a comptuer of first generation?
ENIAC
UNIVAC
IBM 360
IBM 1401
Which access method is used for obtaining a record from a cassette tape?
Direct
Sequential
Random
All of the above
A program that is employed in the development, repair or enhancement of other programs is known as
System software
Software tool
Applications program
Utility program
A memory that does not change its contents without external causes is known as
Dynamic memory
Static memory
RAM
EEPROM
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
The control unit of a microprocessor
Stores data in the memory
Accepts input data from keyboard
Performs arithmetic/logic function
None of above
Which of the following are the cheapest memory devices in terms of Cost/Bit?
Semiconductor memories
Magnetic Disks
Compact Disks
Magnetic Tapes
IBM 1401 is
First Generation Computer
Second Generation Computer
Third Generation Computer
Fourth Generation Computer
Magnetic tape can serve as
Secondary storage media
Output media
Input media
All of the above
If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be
216
65536
64K
Any of the above
What kind of memory is both static and non -volatile?
RAM
ROM
BIOS
CACHE
What produces useful information out of data?
Computer
Processing
Programming
none of above
The memory which is programmed at the time it is manufactured
ROM
RAM
PROM
EPROM
Which is not consisted in a processor
ALU
CU
Memory
Registers
Which of the following is the most powerful computers?
Mainframe Computer
Mini Computers
Micro Computers
Super Computers
The actual execution of instructions happens in
ALU
CU
Memory
None of above
Which was the computer conceived by Babbage?
Analytical engine
Arithmetic machine
Donald Knuth
All of above
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
Which part interprets program instructions and initiate control operations.
Input
Storage unit
Logic unit
Control unit
Binary circuit elements have
One stable state
Two stable state
Three stable state
None of above
The term gigabyte refers to
1024 bytes
1024 kilobytes
1024 megabytes
1024 gigabyte
Which of the following is also known as brain of computer
Control unit
Central Processing unit
Arithmetic and language unit
Monitor