Unit 1: Fundamentals of Computer - Practice Quiz

1 Which characteristic of a computer refers to its ability to perform tasks without getting tired?

2 The main electronic component used in first generation computers was the:

3 Which term describes the inability of a computer to think or make judgments on its own?

4 The invention of the transistor is associated with which generation of computers?

5 The microprocessor was introduced in which generation of computers?

6 Which generation of computers is associated with Artificial Intelligence (AI)?

7 Which unit of a computer is responsible for performing arithmetic and logical operations?

8 The CPU is often referred to as the:

9 Which of the following is an input device?

10 Which part of the CPU directs and coordinates the operations of the entire computer system by sending timing and control signals?

11 Which unit stores data and instructions before and after processing?

12 The use of computers to store and manage patient records in hospitals is an application in which sector?

13 ATM (Automated Teller Machine) is an application of computers in which sector?

14 The use of computers for online classes and e-learning belongs to which sector?

15 Which of the following is a common application of computers in the entertainment sector?

16 Which number system is used internally by all digital computers to represent data?

17 What is the base (radix) of the octal number system?

18 Which of the following digits is NOT valid in the hexadecimal number system?

19 The binary number is equal to which decimal number?

20 The decimal number is represented in binary as:

21 Convert the binary number into its decimal equivalent.

22 What is the hexadecimal equivalent of the binary number ?

23 Convert the decimal number into octal.

24 The decimal number is equal to which binary fraction?

25 Convert the hexadecimal number into decimal.

26 The octal number is equivalent to which binary number?

27 How many distinct values can be represented using bits?

28 Which of the following statements about number systems is correct?

29 In the ASCII coding scheme, a single standard character is represented using how many bits?

30 Add the two binary numbers and . What is the result?

31 The technology that primarily characterized the first generation of computers was:

32 A computer completing a task with almost no errors best illustrates which characteristic of computers?

33 A computer performing the same repetitive task for hours without getting tired demonstrates which characteristic?

34 Which generation of computers introduced the use of integrated circuits (ICs)?

35 In the block diagram of a computer, which unit is responsible for performing arithmetic and logical operations?

36 Which component of the CPU directs and coordinates the activities of all other units without performing the actual processing?

37 A keyboard and a mouse both belong to which functional block of a computer?

38 The combination of the ALU and the Control Unit is together known as the:

39 The use of computers to store patient records, analyze medical images, and monitor vital signs represents an application in which sector?

40 A bank uses computers for ATMs, online transactions, and maintaining customer accounts. This is an example of computer application in which sector?

41 What is the hexadecimal equivalent of the octal number ?

42 The binary number is equal to which decimal value?

43 If , then what is the value of ?

44 Using 8-bit two's complement representation, what is the binary form of ?

45 The result of the binary addition is:

46 What is the base-5 representation of the decimal number ?

47 Convert the hexadecimal number to decimal.

48 The decimal fraction is converted to binary. Which is the correct approximation to 6 fractional bits?

49 Which sequence correctly matches the switching technology to computer generations from first to fourth?

50 A computer performs operations per second with an error rate of zero for identical inputs. Which two characteristics are most directly demonstrated?

51 In the block diagram of a computer, data flows from an input device to be processed and then to output. Which path correctly reflects where computation and coordination occur?

52 Which statement about the CPU components in the block diagram is correct?

53 The binary result of using two's complement subtraction (5-bit) is:

54 How many distinct values can be represented using bits, and what is the largest unsigned value?

55 What is the octal equivalent of the hexadecimal number ?

56 In some base , the number equals . What is the value of ?

57 In BCD (Binary Coded Decimal) representation, how is the decimal number encoded?

58 A hospital system uses computers to store patient records, analyze medical scans with pattern recognition, and control automated dosage pumps. Which combination of application areas is being used?

59 The 1's complement of the binary number is:

60 What is the decimal value of the binary product ?