Hard disk is coated in both sides with
Magnetic metallic oxide
Optical metallic oxide
Carbon layer
All of the above
Correct Answer :
A. Magnetic metallic oxide
Related Questions
A name applied by Intel corp. to high speed MOS technology is called
HDLC
LAP
HMOS
SDLC
The term gigabyte refers to
1024 bytes
1024 kilobytes
1024 megabytes
1024 gigabyte
For which of the following computers can't be used?
Gathering data
calculating data
Comparing data
Arranging data
Which of the following is used for manufacturing chips?
Control bus
Control unit
Parity unit
Semiconductor
Software in computer
Enhances the capabilities of the hardware machine
Increase the speed of central processing unit
Both of above
None of above
A device, which is not connected to CPU, is called as ________
land-line device
On-line device
Off-line device
Device
The first computer introduced in Nepal was
IBM 1400
IBM 1401
IBM 1402
IBM1402
A CPU contains
a card reader and a printing device
an analytical engine and a control unit
a control unit and an arithmetic logic unit
an arithmetic logic unit and a card reader
The actual execution of instructions happens in
ALU
CU
Memory
None of above
The least significant bit of the binary number, which is equivalent to any odd decimal number, is:
0
1
1 or 0
3
Apple company used chips from for its computers
Intel
Motorola
Both of above
None of above
The lower deck of an abacus is known as
heaven
sky
earth
floor
One computer that is not considered a portable computer is
Minicomputer
A laptop computer
Tablet PC
All of the above
What is a compiler?
A compiler does a conversion line by line as the program is run
A compiler converts the whole of a higher level program code into machine code in one step
A compiler is a general purpose language providing very efficient execution
None of the above
Which of the following is not a storage medium?
Hard disk
Flash drive
DVD
scanner
Primary memory stores
Data alone
Programs alone
Results alone
All of these
The output quality of a printer is measured by
Dots per inch
Dot per sq. inch
Dots printed per unit time
All of above
EBCDIC stands for
Extended Binary Coded Decimal Interchange Code
Extended Bit Code Decimal Interchange Code
Extended Bit Case Decimal Interchange Code
Extended Binary Case Decimal Interchange Code
What is the name of an application program that gathers user information and sends it to someone through the Internet?
A virus
Spy bot
Logic bomb
Security patch
A 32 bit microprocessor has the word length equal to
2 byte
32 byte
4 byte
8 byte
Personnel who design, program, operate and maintain computer equipment refers to
Console-operator
Programmer
Peopleware
System Analyst
Which of the following is not an XT microprocessor?
8006
8086
8088
None of above
LSI, VLSI & ULSI chips were used in which generation?
First
Second
Third
Fourth
When was vacuum tube invented?
1900
1906
1910
1880
CD-ROM is a
Semiconductor memory
Memory register
Magnetic memory
None of above
Which was the most popular first generation computer?
IBM 650
IBM 360
IBM 1130
IBM 2700
In a computer _____ is capable to store single binary bit.
Capacitor
Flip flop
Register
Inductor
Which of the following is a secondary memory device?
Keyboard
Disk
ALU
All of the above
When creating a computer program, the ________ designs the structure of the program
End user
System Analyst
Programmer
All of the above
Dot-matrix is a type of
Tape
Printer
Disk
Bus