The operation of arithmetic logic unit is directed by:
- (A) ALU itself
- (B) Program
- (C) Control unit
- (D) Memory unit
- (C) Control unit
CU stands for:
- (A) Control Unit
- (B) Calculating Unit
- (C) Cache Unit
- (D) Communication Unit
- (A) Control Unit
When the CPU executes an instruction, which of the following happens first?
- (A) Instruction fetch
- (B) Execute instruction
- (C) Decode instruction
- (D) All of these
- (A) Instruction fetch
Which of the following is a function of the control unit?
- (A) To read and interpret program instructions
- (B) To direct the operation of internal processor components
- (C) To control the flow of programs and data in and out of RAM
- (D) All of these
- (D) All of these
MICR stands for:
- (a) Magic Ink character Reader
- (b) Magic Ink Character Recorder
- (c) Magnetic Ink Character Reader
- (d) Magnetic Ink Character Recorder
- (c) Magnetic Ink Character Reader
Microprocessor technology is used in manufacturing of:
- (a) Air-conditioners
- (b) Washing machines
- (c) Sewing machines
- (d) All of the above
- (d) All of the above
The register that has a special role in division and multiplication is:
- (a) AX
- (c) CX
- (b) BX
- (d) DX
- (d) DX
The CPU uses a register to store data coming from or going to memory:
- (a) IR
- (b) MBR
- (c) MAR
- (d) PC
- (c) MAR
The register used for counting purpose is:
- (a) AX
- (b) CX
- (c) BX
- (d) DX
- (b) CX
The method of reading characters written in magnetized ink is:
- (a) Bar-code reader
- (b) MICR
- (c) OMR
- (d) OCR
- (b) MICR