Why ABC is considered electro-mechanical computer?
Because it was invented before electronic computers were developed
Because there are wheels, drums, bars to rotate and move to produce result
Because they use the flow of electrons in different component
None of above
Correct Answer :
B. Because there are wheels, drums, bars to rotate and move to produce result
Related Questions
How was the generation of computer classified?
By the device used in memory & processor
By the speed of computer
By the model of the computer
By the accuracy of computer
EEPROM stands for
Electrically Erasable Programmable Read Only Memory
Easily Erasable Programmable Read Only Memory
Electronic Erasable Programmable Read Only Memory
None of the above
An application suitable for sequential processing is
Processing of grades
Payroll processing
Both a and b
All of above
Which of the following magazines covers only the IBM PC and its compatibles?
Byte
PC Magazine
Personal Computing
Interface Age
Is an OOP principle
Structured programming
Procedural programming
Inheritance
Linking
Which was the most popular first generation computer?
IBM 1650
IBM 360
IBM 1130
IBM 2700
On a PC, how much memory is available to application software?
1024 KB
760 KB
640 KB
560 KB
Which of the following does not affect the resolution of a video display image?
Bandwidth
Raster scan rage
Vertical and horizontal lines of resolution
Screen size
The two kinds of main memory are:
Primary and secondary
Random and sequential
ROM and RAM
All of above
Which of the following is not an input device?
OCR
Optical scanners
Voice recognition device
COM (Computer Output to Microfilm)
Which computers used operating systems by Microsoft?
IBM PCs
Apple/Macintosh PCs
IBM Compatibles
Both A & C
Which of the following printers are you sure will not to use if your objective is to print on multi carbon forms?
Daisy wheel
Dot matrix
Laser
Thimble
Word length of a Personal Computer is
4 bits
8 bits
16 bits
64 bits
The latest PC keyboards use a circuit that senses the movement by the change in its capacitance,
Capacitance keyboard
Mechanical keyboard
Qwerty keyboard
Dvorak keyboard
The word length of a computer is measured in
Bytes
Millimeters
Meters
Bits
Which computer was considered the first electronic computer until 1973 when court invalidated the patent?
ENIAC
MARK I
Z3
ABC
Which unit holds data temporarily?
Input unit
Secondary storage unit
Output Unit
Primary Memory Unit
Which statement is valid about magnetic tape?
It is a plastic ribbon
It is coated on both sides with iron oxide
It can be erased and reused
All of above
________ computer is small general purpose micro computer, but larger than portable computer
Hybrid
Digital
Desktop
Laptop
Slide Rules was invented in
1614
1617
1620
None of above
RAM is used as a short memory because it is
Volatile
Has small capacity
Is very expensive
Is programmable
Digital devices are
Digital Clock
Automobile speed meter
Clock with a dial and two hands
All of them
The most important advantage of a video disk is
Compactness
Potential capacity
Durability
Cost effectiveness
Which one of the following input device is user- programmable?
Dumb terminal
Smart terminal
VDT
Intelligent terminal
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
Computer memory consists of
RAM
ROM
PROM
All of the above
The instructions for starting the computer are house on
Random access memory
CD-Rom
Read only memory chip
All of above
The first electronic computer was developed by
J.V. Attansoff
Bill Gates
Simur Cray
Winton Serf
Symbolic logic was discovered by
George Boole
Herman Hollerith
Van Neumann
Basic Pascal
________are specific to users' needs
System software
Application software
Assemblers
Compilers