The brain of any computer system is
ALU
Memory
CPU
Control unit
Correct Answer :
C. CPU
Related Questions
What is the first stage in software development?
Specification and design
Testing
System Analysis
Maintenance
A song being played on computer speaker is
hard output
soft output
both hard and soft output
neither hard nor soft output
A factor which would strongly influence a business person to adopt a computer is its
Accuracy
Reliability
Speed
All of above
Nepal brought a computer for census of 2028 BS. This computer was of
first generation
second generation
third generation
fourth generation
The earliest calculating devices are
Abacus
Clock
Difference Engine
None of these
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
Which of the following is not a valid size of a Floppy Disk?
8?
5 ¼?
3 ½?
5 ½?
Which of the following is used only for data entry and storage, and never for processing?
Mouse
Dumb terminal
Micro computer
Dedicated data entry system
Word length of a Personal Computer is ___
4 bits
8 bits
16 bits
64 bits
In the IBM PC-At, what do the words AT stand for
Additional Terminals
Advance technology
Applied technology
Advanced terminology
Which of the following storage devices can store maximum amount of data?
Floppy Disk
Hard Disk
Compact Disk
Magneto Optic Disk
The Second Generation Computer was based on ________.
Vacuum Tube
Silicon Chips
Transistor
Bio Chips
Binary numbers need more places for counting because
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
A hybrid computer
Resembles digital computer
Resembles analogue computer
Resembles both a digital and analogue computer
None of the above
ABC is a
Special purpose computer
General purpose computer
All Purpose Computer
None of above
Which of the following are (is) considered to be video component?
Resolution
Color depth
Refresh rate
All of the alcove
Which of the following is not an output device?
Scanner
Printer
Flat Screen
Touch Screen
The process of transferring files from a computer on the Internet to your computer is called
Downloading
uploading
FTP
JPEG
Which of the following memories needs refresh?
SRAM
DRAM
ROM
All of above
The symbols used in an assembly language are
Codes
Mnemonics
Assembler
All of the above
Which of the following is a programming language?
Lotus
Pascal
MS-Excel
Netscape
What was the first computer to perform all calculation using electronics rather than wheels, ratchets, or mechanical switches?
Mark I
ABC
Z3
None of above
The advantage of COM are its __ and __
Compact size; speed readability
Compact size, speed
Readability; speed
Low cost; readability
The least significant bit of the binary number, which is equivalent to any odd decimal number, is:
0
1
1 or 0
3
First page of Website is termed as-
Homepage
Index
JAVA script
Bookmark
The capacity of 3.5 inch floppy disk is
1.40 MB
1.44 GB
1.40 GB
1.44 MB
The ability to recover and read deleted or damaged files from a criminal's computer is an example of a law enforcement speciality called:
robotics
simulation
computer forensics
animation
What does DMA stand for?
Distinct Memory Access
Direct Memory Access
Direct Module Access
Direct Memory Allocation
A compiler means
A person who compiles source programs
The same thing as a programmer
Keypunch operator
A program which translates source program into object program
The term gigabyte refers to
1024 bytes
1024 kilobytes
1024 megabytes
1024 gigabyte