Q1: It is the utility program that repairs a disk error.
- a) scandisk
- b) antivirus
- c) defragmentation
- d) all
Q2: The fourth generation language mostly uses
- a) AI
- b) neural network
- c) database language
- d) programming language
Q3: Which of the following data storage systems provides the most efficient random access to individual data items?
- a) main memory
- b) magnetic disk
- c) CD
- d) optical storage
Q4: How many different symbols can be encoded using Unicode?
- a) 127
- b) 256
- c) 512
- d) 65,536
Q5: Which of the following system is least efficient when encoding numeric values?
- a) ASCII
- b) excess notation
- c) two’s complement notation
- d) floating point notation
