The brain of any computer system is
Control Unit
Arithmetic Logic Unit
Central Processing Unit
Storage Unit
Correct Answer :
C. Central Processing Unit
Related Questions
ASCII is a coding system that provides
256 different characters
512 different characters
1024 different characters
128 different characters
Which of the following contains permanent data and gets updated during the processing of transactions?
Operating System File
Transaction file
Software File
Master file
The device that can both feed data into and accept data from a computer is
ALU
CPU
Input-Output device
All of the above
EPROM can be used for
Erasing the contents of ROM
Reconstructing the contents of ROM
Erasing and reconstructing the contents of ROM
Duplicating ROM
The symbols used in an assembly language are
Codes
Mnemonics
Assembler
All of the above
An operating system intended for use on microprocessor based systems that support a single user is
PC-DOS
MS-DOS
UNIX
CP/M
IBM 7000 digital computer
Belongs to second generation
Uses VLSI
Employs semiconductor memory
Has modular constructions
A physical connection between the microprocessor memory and other parts of the microcomputer is known as
Path
Route
Address bus
All of the above
Central Processing Unit is combination of
Control and storage
Control and output unit
Arithmetic logic and input unit
Arithmetic logic and control unit
Which type of computers uses the 8-bit code called EBCDIC?
Minicomputers
Mainframe computers
Super computer
Microcomputers
The translator program used in assembly language is called
Compiler
Interpreter
Assembler
Translator
What are the stages in the compilation process?
Feasibility study, system design and testing
Implementation and documentation
Lexical Analysis, syntax analysis, and code generation
None of the above
A computer has very low failure rate because it uses electronic components. It produces very consistent results. This is highlighted by which of the feature of computer?
Accuracy
Reliability
Versatility
Automatic
MICR stands for
Magnetic Ink Character Reader
Magnetic Ink Code Reader
Magnetic Ink Cases Reader
None
The ALU of a computer responds to the commands coming from
Control section
Primary memory
External memory
Cache memory
Programs are executed on the basis of a priority number in a
Batch processing system
Multiprogramming
Time sharing
None of these
Which language is directly understood by the computer without translation program?
Machine language
Assembly language
High level language
None of above
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 of the following is problem oriented language?
High level language
Machine language
Assembly language
Low level language
Which of the following is input device?
scanner
speaker
monitor
projector
Which number system is usually followed in a typical 32-bit computer?
Binary
Decimal
Hexadecimal
Octal
A set of information that defines the status of resources allocated to a process is
A) Process control
ALU
Register Unit
Process description
Process control
A modem is connected to
a telephone line
a keyboard
a printer
a monitor
When did IBM introduce the 20286 based PC/AT?
1982
1984
1985
1989
Which is considered a direct entry input device?
Optical scanner
Mouse and digitizer
Light pen
All of the above
The processing speed of first generation computers was
milliseconds
microseconds
nanoseconds
picoseconds
Which of the following statement is valid?
Lady Augusta is the first programmer
Ada is the daughter of Lord Byron, a famous English poet
ADA is a programming language developed by US Defense
All of above
What is an interpreter?
An interpreter does the conversion line by line as the program is run
An interpreter is the representation of the system being designed
An interpreter is a general purpose language providing very efficient execution
None of the above
One millisecond is
1 second
10th of a seconds
1000th of a seconds
10000th of a seconds
Who invented Mark I?
Howard Aikin
J. P. Eckert
John Mauchley
John v. Atanasoff