Which of the following devices can be used to directly input printed text?
- (A)Â OCR
- (B)Â OMR
- (C)Â MICR
- (D)Â All of these
- (A)Â OCR
The output quality of a printer is measured by:
- (A)Â Dot per cm
- (B)Â Dots per inch
- (C)Â Dots printed per unit time
- (D)Â All of the above
- (B)Â Dots per inch
in analog computer:
- (A)Â Input is first converted to digital form
- (B)Â Input is never converted to digital form
- (C)Â Output is displayed in digital form
- (D)Â All of the above
- (B)Â Input is never converted to digital form
Who designed the first electronics computer-ENIAC?
- (A)Â Von Neumann
- (B)Â Joseph M Jacquard
- (C)Â J. P. Eckert and J. W. Mauchly
- (D)Â All of above
- (C)Â J. P. Eckert and J. W. Mauchly
Modern computers are very reliable but they are not:
- (A)Â Fast
- (B)Â Powerful
- (C)Â Infallible
- (D)Â Cheap
- (C)Â Infallible
Personal computers used a number of chips mounted on a main circuit board. What is the common name for such boards?
- (A)Â Daughterboard
- (B)Â Motherboard
- (C)Â Father board
- (D)Â Child board
- (B)Â Motherboard
In most of the IBM PCs, the CPU, the device drivers, memory, expansion slots and active components are mounted on a single board. What is the name of the board?
- (A)Â Motherboard
- (B)Â Daughterboard
- (C)Â Bred board
- (D)Â Father board
- (A)Â Motherboard
A computer program that converts an entire program into machine language at one time is called a/an:
- (A)Â Interpreter
- (B)Â CPU
- (C)Â Compiler
- (D)Â Simulator
- (C)Â Compiler
A slow input unit as a card reader would be attached to the CPU by means of a:
- (A)Â Block multiplexer channel
- (B)Â Super UNIVAC
- (C)Â Byte multiplexer channel
- (D)Â Data General Corporation
- (A)Â Block multiplexer channel
In mark sensing, data is read:
- (A)Â Optically
- (B)Â Electrically
- (C)Â Magnetically
- (D)Â Optically and magnetically
- (D)Â Optically and magnetically