Computer Knowledge Question and Answers For IBPS SBI PO Mains Exam practice test


  • 1. The CPU is made up of two smaller components
A.) ALU and CPU
B.) ALU and RAM
C.) RAM and ROM
D.) RAM and CU

Answer: Option 'A'

ALU and CPU

  • 2. The binary system uses the symbols
A.) 0, 0
B.) 1, 0
C.) 0, 1
D.) 1, 1

Answer: Option 'C'

0, 1

  • 3. The digits of the binary system are called
A.) Byte's
B.) Bit's
C.) Nibble's
D.) Number's

Answer: Option 'A'

Byte's

  • 4. A unit of eight bit memory cell groups is called a 
A.) bit
B.) Nibble
C.) byte
D.) digit

Answer: Option 'D'

digit

  • 5. A KB in computer technology is equal to
A.) 1024 bytes
B.) 1020 bytes
C.) 1000 bytes
D.) 1022 bytes

Answer: Option 'C'

1000 bytes

  • 6. In which year the first operating system was developed?
A.) 1910
B.) 1940
C.) 1950
D.) 1980

Answer: Option 'D'

1980

  • 7. MS-DOS developed in
A.) 1991
B.) 1984
C.) 1971
D.) 1961

Answer: Option 'B'

1984

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