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