Prev 1 2 3 4 5 Next
11.‘C’ in CPU denotes __.
A. Common
B. Central
C. Convenient
D.Computer
ANSWER: B
SOLUTION:C in CPU denotes “Central”. The “CPU” is abbreviation for “Central Processing Unit”.
12.The central processing unit (CPU) in a computer consists of ____.
A.Input, output and processing
B. Control unit, primary storage and secondary storage
C. Control unit, arithmetic logic unit, memory unit
D. All of the above
ANSWER: C
SOLUTION:The central processing unit (CPU) in a computer consists of a control unit, arithmetic logic unit, and primary storage. The CPU is the main part of a computer system and is responsible for executing instructions and delivering results.
13. The main job of a CPU is to ____.
A. Carry out program instructions
B. Store data/information for further use
C. Process data and information
D. Both 1 & 3
ANSWER: C
SOLUTION:The main job of CPU is to carry out program instructions and process data and information. the two primary components of CPU are control unit which regulates processors operation and arithmetic unit that actually crunches number and compares values.
14. Which language was used as first-generation language?
A. Machine language
B. Assembly language
C. Java
D. C
ANSWER: A
SOLUTION:The Correct Answer is Machine Language. Machine language is the language understood by a computer. The instructions to the computer are given using a low-level programming language that directly controls a computer’s central processing unit. It comprises binary digits (one and zero).
15. Which part of the computer is used for calculating and comparing?
A. ALU
B. CU
C. RAM
D. None of these
ANSWER: A
SOLUTION:The part of the computer is used for calculating and comparing is ALU (Arithmetic Logic Unit).
16. Which is not an integral part of the computer?
A. CPU
B. Mouse
C. Monitor
D. UPS
ANSWER: D
SOLUTION:UPS is not an integral part of computer. It is use for uninterrupted power supply.
17. ENIAC Computer belongs to ____.
A. First Generation Computers
B. Second Generation Computers
C. Third Generation Computers
D. Fourth Generation Computers
ANSWER: A
SOLUTION:The UNIVAC and ENIAC computers are examples of first-generation computing devices.
18. When was Pascaline invented?
A. 1617
B. 1620
C. 1642
D. 1837
ANSWER: C
SOLUTION:The Pascaline was designed and built by the French mathematician-philosopher Blaise Pascal between 1642 and 1644. It could only do addition and subtraction, with numbers being entered by manipulating its dials.
19. The ____was developed in 4000 BC, and was basically beads on rods to count and was used to calculate, has an upper and lower deck.
A. UNIVAC
B. ABACUS
C. Vacuum Tubes
D. Analytical Engine
ANSWER:B
SOLUTION: The abacus is a computing device that uses beads, pebbles, or flat discs to perform arithmetic calculations.
20. How many computer generations are there?
A. Two
B. Three
C. Four
D. Five
ANSWER: D
SOLUTION: There are five computer generations known till date. Each generation has been discussed in detail along with their time period and characteristics.