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11. The unit sends the processed results to the user.
A. Input
B. Output
C. Memory
D. CPU
ANSWER:B
SOLUTION:This unit sends the processed results to the user. It is mainly used to display the desired result to the user as per input instruction, e.g. video monitor, printer and plotter, etc.
12. Which instruction is used for loading data into CPU accumulator register from memory?
A. Load
B. Storage
C. Machine
D. Access
ANSWER: A
SOLUTION:The load (ld) instruction loads from memory using a segment or flat address expression and places the result into one or more registers.
13. Where does computer add and compare data?
A. Hard disc
B. Floppy disc
C. CPU
D. Memory chip
ANSWER:C
SOLUTION:Therefore, computers add and compare its data in the CPU.
14. In computer, which of the following unit is responsible for processing and also known as brain of computer?
A. CPU
B. Keyboard
C. Hard disk
D. RAM
ANSWER:A
SOLUTION:Central Processing Unit (CPU) The CPU is the brain of a computer, containing all the circuitry needed to process input, store data, and output results. The CPU is constantly following instructions of computer programs that tell it which data to process and how to process it.
15. 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 A and C
ANSWER: D
SOLUTION: Both A and C
16. The CPU is made up of two smaller components.
A. ALU and CU
B. ALU and RAM
C. RAM and ROM
D. RAM and CU
ANSWER: A
SOLUTION:ALU and CU
17. The CPU comprises of control, memory and ____ units.
A. Microprocessor
B. Arithmetic/Logic
C. Output
D. ROM
ANSWER: C
SOLUTION:Arithmetic/Logic
18. Which part of the computer is used for calculating and comparing?
A. ALU
B. Control Unit
C. Disc unit
D. Modem
ANSWER: A
SOLUTION:The Arithmetic Logic Unit (ALU) of a computer performs basic arithmetic operations, such as: Addition, Subtraction, Multiplication, Division.
19. Pick the one that is used for logical operations or comparisons such as less than, equal to or greater than etc.
A. ALU
B. CU
C. Input Unit
D. MU
ANSWER: A
SOLUTION:ALU
20. What does ALU in computing denote?
A. Application and Logic Unit
B. Algorithm Logic Unit
C. Arithmetic Legal Unit
D. Arithmetic Logic Unit
ANSWER:D
SOLUTION:Arithmetic Logic Unit