1151. Which of the following are often used to ensure that data has been accurately input to the computer?
A. digitizers
B. light pens
C. keyboards
D. input controls
✅ The correct answer is option D.
Computer
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1152. The microelectronics is the technology of
A. microwaves
B. microcomputers
C. chips
D. automatic processing
✅ The correct answer is option C.
1153. Which of the following chips can be reprogrammed with special electric pulses?
A. EPROM
B. PROM
C. ROM
D. EEPROM
✅ The correct answer is option D.
1154. Which of the following memory is non-volatile?
A. SRAM
B. DRAM
C. ROM
D. All of the above
✅ The correct answer is option C.
1155. How many options does a binary choice offer?
A. None
B. One
C. Two
D. It depends on the amount of memory in the computer
✅ The correct answer is option C.
1156. Main storage is also called
A. Accumulator
B. Control unit
C. Register unit
D. memory
✅ The correct answer is option D.
1157. When the time to establish link is large and the size of data is small, the preferred mode of data transfer is
A. Circuit switching
B. Packet switching
C. Time division multiplexing
D. All of the above
✅ The correct answer is option B.
1158. The first machine to successfully perform a long series of arithmetic and logical operations was:
A. ENIAC
B. Mark I
C. Analytic engine
D. UNIVAC-I
✅ The correct answer is option B.
1159. Whenever a peripheral is being controlled by the CPU, it is said to be online. If additionally, the computer files are updated as soon as any change takes place, the system is called
A. quick processing system
B. batch processing system
C. real time system
D. remote processing system
✅ The correct answer is option C.
1160. A computer program that instructs other programs to perform a particular type of operation is
A. System software
B. Application program
C. Compiler
D. Interpreter
✅ The correct answer is option A.