The brain of any computer system is
ALU
Memory
CPU
Control unit
Correct Answer :
C. CPU
Related Questions
Number crunchier is the informal name for
Minicomputer
Super computer
Microcomputer
Mainframe computer
Memory is made up of
Set of wires
Set of circuits
Large number of cells
All of these
Which of the following require large computers memory?
Imaging
Graphics
Voice
All of Above
IBM System/360 is
Mainframe Computer
Mini Computers
Micro Computers
None of above
The common name for the crime of stealing passwords is:
Jacking.
Identity theft.
Spoofing.
Hacking.
Which of the following registers is used to keep track of address of the memory location where the next instruction is located?
Memory address registers
Memory data register
Instruction register
Program counter
Bit map terminal
support display containing multiple windows
require considerable amount of video RAM
requires tremendous amount of copying and hence low performance
all of above
Fifth generation computer is also known as
Knowledge information processing system
Very large scale integration
Both of above
None of above
Which of the following professions has not been affected by personal computers?
Medical
Clerical and law
Accounting
None 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
Abacus was the first
electronic computer
mechanical computer
electronic calculator
mechanical calculator
An example of a digital device can be
Digital clock
Automobile speed meter
Clock with a dial and two hands
All of the above
Charles Babbage was awarded by Royal Society for his
Difference Engine
Analytic Engine
Binary System in Analytic Engine
His concept of input, mill, output and storage
A device, which is not connected to CPU, is called as ________
land-line device
On-line device
Off-line device
Device
A term associated with the comparison of processing speeds of different computer system is:
EFTS
MPG
MIPS
CPS
Which of the following is a programming language?
Lotus
Pascal
MS-Excel
Netscape
The two kinds of main memory are:
Primary and secondary
Random and sequential
ROM and RAM
All of above
What does DMA stand for?
Distinct Memory Access
Direct Memory Access
Direct Module Access
Direct Memory Allocation
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
The personal computer industry was started by
IBM
Apple
Compaq
HCL
Which of the following registers is loaded with the contents of the memory location pointed by the PC?
Memory address registers
Memory data registers
Instruction register
Program counter
Which of the following statements is true?
Minicomputer works faster than Microcomputer
Microcomputer works faster than Minicomputer
Speed of both the computers is the same
The speeds of both these computers cannot be compared with the speed of advanced
Which of the following is the most quickly accessible storage?
RAM
Registers
Disks
Pen Drive
BIOS stands for
Basic Input Output system
Binary Input output system
Basic Input Off system
all the above
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
When did arch rivals IBM and Apple Computers Inc. decide to join hands?
1978
1984
1990
1991
Which type of computers uses the 8-bit code called EBCDIC?
Minicomputers
Microcomputers
Mainframe computers
Super computer
Which of the items below are considered removable storage media?
Removable hard disk cartridges
(Magneto-optical) disk
Flexible disks cartridges
All of the above
Which of the following is valid statement?
Data in itself is useless unless it is processed
The data that is processed is called a program
The data which is not yet processed is information
Information is processed by computer to generate data.
An approach that permits the computer to work on several programs instead of one is
On-line thesaurus
Multiprogramming
Over lapped processing
Outline processor