Question Paper Hotal Management MCA

Q1. An I/O processor controls the flow of information between

1. cache memory and I/O devices
2. main memory and I/O devices
3. two I/O devices
4. cache and main memories

Answer: B

Q2. Which of following devices will take highest time in taking the backup of the data from a computer?

1. Magnetic disk
2. Pen drive
3. CD
4. Magnetic tape

Answer: D

Q3. ROM is a kind of

1. primary memory
2. cache memory
3. removable memory
4. secondary memory

Answer: D

Q4. The errors that can be pointed out by compilers are

1. syntax errors
2. semantic errors
3. logical errors
4. internal errors

Answer: A

Q5. Let x = 11111010 and y = 00001010 be two 8-bit 2’s complement numbers. Their product in 2’s complement notation is

1. 11000100
2. 10011100
3. 10100101
4. 11010101

Answer: A

Q6. The range of numbers that can be stored in 8 bits, if negative numbers are stored in 2’s complement form is

1. –128 to + 128
2. –128 to + 127
3. –127 to + 128
4. –127 to + 127

Answer: B

Q7. Primary storage is ....... as compared to secondary memory.

1. slow and expensive
2. fast and inexpensive
3. fast and expensive
4. slow and inexpensive

Answer: C

Q8. Which of the following units is used to supervise each instruction in the CPU?

1. Control unit
2. Accumulator
3. ALU
4. Control Register

Answer: A

Q9. (2FAOC)16 is equivalent to

1. (195 084)10
2. (001011111010 00001100)2
3. Both (a) and (b)
4. None of the above

Answer: C

Q10. The decimal equivalent of octal number 111010 is

1. 81
2. 72
3. 71
4. 61

Answer: B