311. Which of the following device uses the parallel transmission?
A. Mouse
B. Keyboard
C. Printer
D. Light Pen

312. What is a diagrammatic way of representing the relationship between the entities in a database?
A. Flowchart
B. ERD
C. DFD
D. Algorithm

313. Which transmission allows data to travel in both directions but only one direction at a time?
A. Simplex
B. Full duplex
C. Half duplex
D. Reverse

314. Another name for free software is?
A. Encrypted Software
B. Copy Protected Software
C. Shareware
D. Public Domain Software

315. DPI stands for?
A. Dot Per Inch
B. Decimal Per Inch
C. Digit Per Inch
D. Data Per Inch

316. A small high speed memory inside CPU is
A. RAM
B. ROM
C. Cache
D. Register

317. ________ are used to evaluate compound conditions.
A. Arithmetic Operators
B. Logical Operators
C. Relational Operators
D. Assignment Operators

318. MICR stands for?
A. Magic In Character Redo
B. Magnetic Ink Character Recorder
C. Magnetic Ink Character Reader
D. None Of These

319. __________ is used to control all the parts of a manufacturing process.
A. ATM
B. CAM
C. CAD
D. MICR

320. CPU consists of the following parts:
A. Control unit and ALU
B. CU and Main memory
C. Main memory and ALU
D. Operating system and Main memory