611. The main purpose of the offline device is…….
A. To reduce the no.of operator errors in recording data
B. To save computer time
C. To save floor space in the computer center
D. All of the above
✅ The correct answer is option B.
Computer
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612. Primary storage is _____as compared to secondary storage.
A. Slow and inexpensive
B. Fast and inexpensive
C. Fast and expensive
D. Slow and expensive
✅ The correct answer is option C.
613. Which of the following is also known as SOROBAN
A. ENIAC
B. Abacus
C. EDSAC
D. UNIVAC
✅ The correct answer is option B.
614. In computers ,what is the smallest and basic unit of information storage?
A. Bit
B. Byte
C. Newton
D. Mega Byte
✅ The correct answer is option A.
615. Conversion of an octal number 1068 to binary number is
A. 11100102
B. 10001102
C. 11001102
D. 100001102
✅ The correct answer is option B.
616. What is the name of the printer which prints all the A’s in a line before all the B’s?
A. Thermal printer
B. Electrostatic printer
C. Line printer
D. Ink-jet printer
✅ The correct answer is option C.
617. Transformation of input into output is performed by?
A. Peripherals
B. Memory
C. Storage
D. The Input-Output unit
✅ The correct answer is option E.
618. The proper definition of a modern digital computer is
A. an electronic automated machine that can solve problems involving words and numbers
B. a more sophisticated and modified electronic pocket calculator
C. any machine that can perform mathematical operations
D. a machine that works on binary code
✅ The correct answer is option A.
619. The first electronic digital computer contained?
A. Electronic valves
B. Vacuum tubes
C. Transistors
D. Semiconductor memory
✅ The correct answer is option A.
620. The time required for the fetching and execution of one simple machine instruction is
A. Delay time
B. CPU cycle
C. Real time
D. Seek time
✅ The correct answer is option B.